Top Blockchain Companies & Developers in Poland

Ratings Updated: March 21, 2025

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FREYSOFT

5.0 7 reviews
Verified

$10,000+

$25 - $49 / hr

50 - 249

Serves Poland

Services provided

40% Blockchain

20% Mobile App Development

20% Web Development +2 services

10% AI Development

10% Low/No Code Development

FREYSOFT is a development company specializing in providing fintech and startup solutions, including mobile applications, front-end engineering, and web development. Their reviews highlight exceptional professionalism, problem-solving capabilities, and timely delivery, with 100% of feedback being positive. Clients frequently commend their smooth communication and reliability, making them a preferred choice for tech-driven projects.

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Reviews mention Well-organized projects

Clients consistently praised FREYSOFT for their well-organized project management. One CEO highlighted that the project was completed ahead of schedule, noting the smooth communication and professionalism of the developers. Another client emphasized that FREYSOFT quickly addressed urgent issues, enabling timely project progression. Overall, the sentiment reflects a strong appreciation for FREYSOFT's efficiency and ability to deliver results promptly and effectively.

Information System, CRM & Mobile App for Radiology Company

5.0 Feb 15, 2023

Communication was very smooth and well organized. The project was finished earlier than planned. I was most impressed by the level of professionalism and self-organization of Freisoft developers. They knew exactly what needed to be done and always achieved maximum results.

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Malaysia (1)

Ukraine (1)

United States (2)

England (1)

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Pixelette Technologies

4.8 23 reviews
Premier Verified

$25,000+

$25 - $49 / hr

250 - 999

Serves Poland

Services provided

40% Blockchain

40% AI Development

10% AR/VR Development +1 service

10% Generative AI

Pixelette Technologies is a Blockchain Development company providing a range of services, including Distributed Ledger Development, Smart Contract Development, and Decentralized Application (DApp) Development. Feedback from clients highlights their exceptional project management, adherence to timelines, and technical expertise. With 100% of reviewers praising their professionalism and proactive approach, Pixelette Technologies is a valuable partner in delivering innovative blockchain solutions.

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Reviews mention Transparent

Clients have expressed high satisfaction with Pixelette Technologies' transparency throughout the project management process. One client noted, 'They’ve kept the entire process transparent,' highlighting their open communication and adherence to deadlines. Another praised their 'outstandingly transparent' approach, which contributed to a smooth collaboration. Overall, the sentiment regarding transparency is overwhelmingly positive, indicating a strong alignment with client expectations.

Custom Web & Mobile App Design & Dev for Education Company

5.0 Nov 24, 2022

Project management is absolutely amazing. The team is professional, and they work within our budget. They’ve kept the entire process transparent. They’ve forwarded us several project management tools, but we like sticking to the old-fashioned forms of communication. They’re outstandingly transparent. We were on strict deadlines, and they handled the project amazingly.

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2 of 3 Blockchain reviews are 5 stars

$50,000 – $199,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

Blockchain & Gold-Backed Tokens Dev for Blockchain Company

5.0 — A blockchain company hired Pixelette Technologies to build their gold-backed tokens and blockchain system. The team has participated in design, planning, content creation, and frontend development. Read more

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France (1)

Pakistan (5)

Panama (1)

United Arab Emirates (3)

United States (1)

England (2)

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RedDuck

5.0 10 reviews

$50,000+

$100 - $149 / hr

10 - 49

Serves Poland

Services provided

100% Blockchain

RedDuck is a blockchain development company specializing in smart contract development, decentralized system development, and blockchain technology integration. The company consistently receives positive reviews for its project management, timely delivery, and effective communication, with 100% of clients praising their ability to integrate secure, innovative blockchain solutions seamlessly. Their work is noted for being efficient, proactive, and aligned with client goals.

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3 of 3 Blockchain reviews are 5 stars

$10,000 – $49,000 avg. project cost

Blockchain PROJECT HIGHLIGHT

[Review Under Dispute] Blockchain Development for Design Company

5.0 — RedDuck developed a blockchain-powered platform for a design company. The platform featured interactive learning modules, gamified challenges, and a token-based reward system. Read more

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India (1)

South Africa (1)

Thailand (1)

Ukraine (1)

United States (1)

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Altoros

4.8 34 reviews

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Premier Verified

$25,000+

$50 - $99 / hr

250 - 999

Warszawa, Poland

Services provided

40% Blockchain

25% Custom Software Development

10% Enterprise App Modernization +4 services

10% Web Development

5% IT Staff Augmentation

5% Microservices Architecture Services

5% Mobile App Development

Altoros is a versatile software development company offering a range of services, including custom software development, web development, and UX design. Client reviews highlight their high-quality work, effective communication, and ability to integrate seamlessly with in-house teams. Approximately 80% of reviewers commend their professionalism and timely delivery, while some suggest room for improvement in language proficiency.

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Reviews mention Exceptional performance

Clients consistently commend Altoros for their exceptional performance, highlighting their professionalism and ability to exceed expectations. One client noted their 'underpromise and overdeliver' approach, resulting in timely project deployments and high-quality outputs. Another emphasized Altoros' quick responsiveness and flexibility, stating they are 'very client-oriented' and 'react to all kinds of requests with enthusiasm.' Overall, feedback reflects a strong sentiment of trust and satisfaction, reinforcing Altoros as a reliable partner for complex projects.

Custom Software Dev for Software Development Company

5.0 Nov 3, 2022

The quality of work performed by Altoros' cross-functional teams is exemplary in partnerships of this kind. They are not only meeting the price-of-admission criteria such as quick responsiveness and high-level of communication, but react to all kinds of requests with enthusiasm and eagerness to overdeliver. And what has always been of the utmost importance in any professional partnership - the team deals with ambiguity with true professionalism and preparation.

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Retirement Plan Tool Development for Financial Services Co

5.0 Oct 10, 2019

From a project management standpoint, they’ve exceeded my expectations. They’re available to meet whenever I need to. The team also keeps track of details; all of our calls end with them determining who is going to do what and sending follow-ups and to-dos. As a CEO, I’m not quite as available as I’d like to give them specifications, but I’ve been absolutely blown away by how far Altoros has been able to take the project with minimal input, guidance, or assistance.

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Big Data Infrastructure for e-Commerce Firm

4.0 Jan 27, 2014

They have performed exceptionally. I do not have any major issues with them. They perform tasks on time and correctly, based on estimates they provide. Out of the companies that I have discussed outside projects with, Altoros was the best.

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Australia (2)

Canada (1)

Denmark (1)

Finland (1)

Germany (2)

Israel (1)

Norway (2)

Poland (1)

Singapore (1)

South Africa (1)

Sweden (1)

Switzerland (2)

United States (15)

England (1)

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Vention

4.9 88 reviews
Premier Verified

$25,000+

$50 - $99 / hr

1,000 - 9,999

Łódź, Poland

Services provided

10% Blockchain

15% Custom Software Development

15% Web Development +6 services

10% AI Development

10% AR/VR Development

10% Business Consulting

10% IT Staff Augmentation

10% Low/No Code Development

10% Mobile App Development

Vention is a versatile technology services company providing software development, team augmentation, and project management solutions. With consistent positive feedback from clients, 100% of reviewers praised their high-quality deliverables, responsiveness, and alignment with company values. Vention is noted for its skilled engineers, effective communication, and commitment to meeting deadlines, making them a valuable partner for varied technology projects.

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Reviews mention Innovative

Clients have consistently praised Vention for its innovative approach and solutions. One client highlighted their ability to offer 'innovative solutions for client workflows' that surpassed expectations, while another noted the team's 'flexibility' and 'proactive approach' in addressing unique startup challenges. Additionally, the CEO of CGCircuit commended Vention's 'innovative solutions' that improved their internal processes. Overall, the sentiment surrounding Vention's innovation is highly positive, reflecting their commitment to delivering cutting-edge results.

App Dev for Digital Histopathology Company

5.0 Jun 28, 2023

App Delivery Rate for features has been 2-3 faster than before. Some innovation solutions for client workflows that I don't think the team could have come up with by themselves.

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Web3 Custom Software Development for Software Company

5.0 Apr 19, 2023

I was most impressed with iTechArt Group’s collaboration and technical skills. We work in an emerging industry, and iTechArt Group worked with technology they hadn’t used before. During the project’s development, iTechArt Group was required to invent solutions in order to resolve problems, and they figured out answers quickly.

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Frontend & Backend CSS Web Dev Augmentation Team

5.0 Jan 22, 2018

Innovative solutions made our process work better. The team was open, flexible, and willing to help out in any way we needed. I was especially impressed by their technical abilities.

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App Dev for Online Platform

5.0 May 12, 2017

We build unique products. This product called Connector is really a unique product that Microsoft should have built. iTechArt does good work with us on innovative products. Customers find these products exciting because they’re innovative.

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Custom Software Development for SaaS Market Research Firm

5.0 Nov 13, 2024

The Vention team has been a truly supportive and professional partner throughout our project. They’ve shown a remarkable level of personal engagement with our goals, demonstrating a genuine commitment to our success as a startup. Communication was always clear, and they kept us fully informed at every step, ensuring we were aligned throughout the process. The management team, in particular, understood the unique challenges we face as a startup, offering innovative solutions while being mindful of our limitations. Their flexibility, collaboration, and proactive approach have played a key role in the smooth progress of the project, making them an invaluable asset to our team.

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Canada (3)

Cyprus (1)

France (1)

Germany (2)

Iceland (1)

Israel (2)

Latvia (1)

Lithuania (2)

New Zealand (1)

Singapore (1)

Spain (1)

Sweden (1)

United States (57)

Scotland (1)

England (10)

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Andersen Inc.

4.9 124 reviews
Premier Verified

$50,000+

$50 - $99 / hr

1,000 - 9,999

Warszawa, Poland

Services provided

10% Blockchain

20% Custom Software Development

15% IT Managed Services +5 services

15% Mobile App Development

10% AI Development

10% IT Strategy Consulting

10% Low/No Code Development

10% Web Development

Andersen Inc. is a Blockchain Development company noted for its expertise in Distributed Ledger Development and Smart Contract Development. They received 100% positive feedback, with clients praising their customer relationship management, transparency, and on-time delivery. Their alignment with client needs and budget further underscores their suitability for projects involving Blockchain Solutions.

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Reviews mention Timely

The reviews for Andersen Inc. reflect a strong sentiment regarding their timeliness in project delivery. Clients consistently noted that Andersen met deadlines and delivered projects on time, often highlighting their responsiveness and proactive communication. For instance, one client emphasized that Andersen was 'always able to bring in results in time and budget,' while another remarked on the 'excellent communication culture' that ensured all needs were addressed promptly. Overall, the feedback indicates a high level of satisfaction with Andersen's punctuality and reliability.

IT Staff Aug & Software Dev for Digital Solutions Provider

5.0 Apr 30, 2024

Andersen was always able to bring in results in time and budget. They responded always on short notice.

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Custom Software Dev & DevOps Services for Media Tech Company

4.5 Jan 10, 2024

They delivered the project on time and to our needs. Very communicative and fast response time.

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Custom Software Development for Market Research Company

5.0 May 23, 2023

Andersen always delivers work on time and to a high standard.

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Mobile App Development for HealthTech Company

5.0 May 4, 2023

On time delivery. Project management was very professional.

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Custom Blockchain Dev for Blockchain Company

5.0 Mar 14, 2023

Deadline Reached. Our needs were met, and Andersen was always super supportive.

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1 of 1 Blockchain reviews are 5 stars

$200,000 – $999,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

Custom Blockchain Dev for Blockchain Company

5.0 — Andersen Inc. provides ongoing custom software development for a blockchain company in the travel industry. The team works on forks of Avalanche for the Camino network. Read more

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Australia (2)

Austria (3)

Belgium (3)

Belarus (1)

Canada (1)

Croatia (1)

Cyprus (2)

Finland (7)

France (3)

Georgia (1)

Germany (21)

India (1)

Ireland (3)

Israel (2)

Kazakhstan (1)

Latvia (5)

Lithuania (1)

Luxembourg (3)

Netherlands (2)

Russia (15)

Singapore (3)

South Africa (2)

Spain (2)

Sweden (2)

Switzerland (6)

United Arab Emirates (2)

Ukraine (2)

United States (11)

Uzbekistan (1)

England (8)

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Artkai

4.9 51 reviews
Premier Verified

$25,000+

$50 - $99 / hr

50 - 249

Gliwice, Poland

Services provided

10% Blockchain

20% UX/UI Design

20% Web Development +5 services

10% AI Development

10% Branding

10% Custom Software Development

10% Low/No Code Development

10% Web Design

Artkai is a company specializing in Blockchain Technology services, including Front End Application development and project design for decentralized platforms. With a 100% positive feedback rate, clients commend their skilled team for their personal care, passion, and effective communication, noting their conscientious and diligent approach to project management.

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Reviews mention Well-organized projects

Artkai has consistently received positive feedback regarding their project organization. Clients have praised their 'spot on communication' and 'well-organized' processes, highlighting timely deliveries and thorough work products. One client noted their 'rigorously complete and thorough work' while another emphasized their 'transparent feedback' and 'excellent support.' Overall, Artkai's ability to manage projects effectively and maintain clear communication has been a significant factor in client satisfaction.

CI/CD Process Assessment & Optimization for IT Consultancy

5.0 Jul 30, 2024

Swift and proactive communication, transparent feedback, organized and well-planned work and excellent support even after the cooperation if needed.

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UX/UI Design & Development for Digital Product Agency

5.0 Dec 21, 2021

They’re a strategic partner. Artkai has dedicated project managers who change for each project. Also, there’s an account manager who is always involved with us. We receive a timesheet every sprint, which we share with our clients.

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Branding & UX Design for Car Reselling Platform

5.0 Jan 11, 2018

It was a very smooth and organized process. They did a great job with great communication, which was mainly via Slack.

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Staff Augmentation for Tech Consulting Agency

5.0 Nov 28, 2024

Spot on communication, budget, and expectations management. We always knew their resources availability and commitment, so we had a possibility to plan our delivery process ahead of time. I was amazed by their communication. They are very well organized and always transparent and straightforward in our collaboration.

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1 of 1 Blockchain reviews are 5 stars

$10,000 – $49,000 avg. project cost

Blockchain PROJECT HIGHLIGHT

Frontend Development & UI/UX Design for Lending Exchange

5.0 — A decentralized lending exchange hired Artkai to complete their app's frontend. Tasks included improving the app's UX and overall design, refactoring its structure, improving functionality, and Read more

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Belgium (3)

Estonia (3)

Georgia (1)

Germany (1)

India (1)

Japan (1)

Norway (3)

Romania (1)

Saudi Arabia (1)

Sweden (3)

Switzerland (2)

Ukraine (8)

United States (15)

England (3)

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S-PRO

4.9 46 reviews
Premier Verified

$25,000+

$25 - $49 / hr

50 - 249

Łódź, Poland

Services provided

10% Blockchain

35% Web Development

25% AI Development +4 services

15% Mobile App Development

10% Custom Software Development

3% AI Consulting

2% IT Strategy Consulting

S-PRO is a company specializing in Blockchain Development and custom software solutions. Reviews indicate a high level of satisfaction, with 100% of clients highlighting their professionalism and reliability. Clients appreciate S-PRO's flexibility and communication, though some suggest improvements in project management transparency. Overall, S-PRO's commitment to delivering quality and integrating with client teams is consistently praised.

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Reviews mention Helpful

Overall sentiment towards S-PRO is highly positive, with clients praising their professionalism, responsiveness, and detailed project management. One CEO noted, "They’re one of the most professional companies I’ve worked with," while another highlighted their "constant availability" and quick responses. Clients appreciated S-PRO's ability to understand complex requirements and provide effective solutions. Despite minor payment issues, feedback indicates a strong collaboration and satisfaction with the outcomes, emphasizing S-PRO's helpfulness throughout the project.

App Development for Digital Nutrition Plans App

5.0 May 9, 2022

I’m very impressed with S-PRO’s work. They’re very professional, detailed, and helpful, always thinking about everything. Initially, we had about three video calls per week to have updates, but we currently meet only once per week via Google Meet. We’ve also had some phone calls.

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Software Partner for Business Management App

5.0 Feb 24, 2020

Whenever difficult situations arose, S-PRO was very helpful in providing solutions. We really appreciated the constant availability of our account manager. Whenever we required anything or had questions or concerns, he replied within minutes.

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Custom Software Dev for Financial Company Solution

5.0 Jan 15, 2020

They mostly stood out with their help on the business logic. They actually learned about the project and told us more about what could work better. They go out of their way to help, so I don’t really have any advice. Whenever I connect someone with Misha, I know they’re in good hands.

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1 of 2 Blockchain reviews are 5 stars

$50,000 – $199,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

Custom Software Dev for FinTech Company

5.0 — S-PRO has developed a web application for a fintech startup. The app is intended to do product marketing in the financial sector; they’ve built it based on a previous MVP. Read more

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Australia (3)

Canada (3)

France (2)

Germany (5)

Ireland (2)

Jordan (1)

Latvia (1)

Lithuania (1)

Norway (2)

Poland (1)

Switzerland (3)

Ukraine (2)

United States (9)

England (5)

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Dashbouquet Development

4.9 30 reviews
Premier Verified

$10,000+

$25 - $49 / hr

50 - 249

Warszawa, Poland

Services provided

10% Blockchain

20% Custom Software Development

20% Mobile App Development +4 services

20% Web Development

10% AI Development

10% Generative AI

10% UX/UI Design

Dashbouquet Development is a software development company specializing in custom web and mobile app development, staff augmentation, and IT solutions. The company is highly rated for its professionalism, agility, and technical expertise. Across their reviews, 100% of clients praise their project management skills and responsiveness, and 90% highlight their ability to meet deadlines with high-quality deliverables. Clients commend their adaptability and the quality of their team members, with multiple reviewers noting their significant positive impact on business outcomes.

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Reviews mention Flexible

Dashbouquet Development has received positive feedback regarding their flexibility. Clients noted their ability to adapt to changing project requirements and scale resources on short notice. For example, one client praised their team for being accommodating and responsive to feedback, indicating that they consistently prioritized quality work. Another client highlighted their flexibility in project management, effectively navigating shifts in project scope. Overall, the sentiment reflects a strong appreciation for Dashbouquet's adaptability and commitment to meeting client needs.

Dashboard & Web App Frontend Development for Design Agency

5.0 Jul 5, 2022

The team was truly accommodating. They were flexible and able to scale up when we need them even on short notice.

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React Native Mobile App Dev for EdTech Startup

5.0 Aug 18, 2021

The degree of their communication and flexibility across cultures and languages was a pleasant surprise. We wouldn’t have stayed engaged with them for as long as we did if they didn’t communicate flexibly with us.

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Development Partnership for Analytics Provider

4.5 Jan 17, 2018

They were flexible and open, and consistently pointed out places they could improve or add to the work. Their developers are great at fixing bugs, and prioritize rectifying any mistakes they notice.

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Mobile App Dev for Horse Tracking Tech Firm

4.5 Jan 16, 2018

I was impressed with their dedication and flexibility.

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Website Development & Localization Engine for Multiple Sites

4.5 Jan 11, 2018

They were flexible around some design elements which were delivered late. We wanted to make some changes later on and the person who could do them was on another project. However, they made time, even though they were busy.

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Belarus (3)

Germany (2)

Israel (4)

Côte d'Ivoire (1)

Netherlands (1)

United States (7)

England (11)

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Phenomenon Studio

5.0 32 reviews
Premier Verified

$10,000+

$50 - $99 / hr

50 - 249

Wrocław, Poland

Services provided

10% Blockchain

25% UX/UI Design

10% Branding +6 services

10% Custom Software Development

10% Low/No Code Development

10% Mobile App Development

10% Web Design

10% Web Development

5% Product Design

Phenomenon Studio is a design and development agency specializing in UI/UX design, web, and mobile application development. Reviews highlight their commitment to delivering projects on time and within budget, with 100% of clients praising their responsiveness and professionalism. Approximately 85% of reviewers emphasize the company's effective communication and seamless project management, while clients uniformly commend their adaptability and design excellence.

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Reviews mention Flexible

Phenomenon Studio has received positive feedback regarding their flexibility in project management and adaptability to client needs. Clients noted their responsiveness and willingness to collaborate, with one CEO stating they 'stepped up to help coordinate' during resource constraints. Another client emphasized their capacity to 'adapt to meet your needs' while providing valuable feedback. Overall, the sentiment reflects a strong appreciation for their flexible approach, which enhances the project experience.

UI/UX Design & Mobile App Dev for eCommerce Payment Solutions Firm

5.0 Aug 16, 2024

Their project management was excellent. Even when we faced internal resource constraints, Phenomenon Studio stepped up to help coordinate the collaboration between their team and ours. They were flexible, responsive, and able to adapt to our processes and development environment.

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MVP Development & Design & AWS Integration for FinTech Co

5.0 Jul 19, 2024

Phenomenon Studio is very responsive to our needs and provides valuable feedback to support our decision-making process. Their ability to communicate effectively, be adaptable, professional, and willing to do more than simply carry out assigned tasks.

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UI/UX for Mental Health Platform

4.5 Nov 12, 2020

They are flexible and can adapt to meet your needs. Be direct and know what you want. They are quite communicative and have met most of the deadlines.

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Azerbaijan (1)

Canada (2)

France (1)

Italy (1)

Singapore (1)

Slovakia (1)

Spain (1)

Switzerland (3)

United Arab Emirates (2)

United States (8)

England (3)

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MITRIX Technology

5.0 14 reviews
Premier Verified

$10,000+

$50 - $99 / hr

50 - 249

Warszawa, Poland

Services provided

10% Blockchain

20% AI Development

20% BI & Big Data Consulting & SI +4 services

20% IT Staff Augmentation

10% Cloud Consulting & SI

10% Custom Software Development

10% Web Development

MITRIX Technology is a versatile IT services company, offering expertise in web development, UX design, DevOps, and software engineering across multiple industries. Their reviews reflect a high level of satisfaction, with 100% positive feedback. Clients praise their exceptional communication, swift responsiveness, and ability to provide top-notch talent, making them a reliable and innovative partner in IT solutions.

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Reviews mention Knowledgeable

Clients consistently praised MITRIX Technology for their knowledgeable developers who deliver high-quality work. One CEO noted that their developer was 'top-notch and very knowledgeable,' facilitating the swift development of an MVP. Another client highlighted that MITRIX's experienced team significantly reduced the time needed to explain project requirements, demonstrating their understanding of complex systems. Overall, the sentiment reflects a strong appreciation for MITRIX's expertise and proactive approach in delivering effective solutions.

MVP Development for Cloud Security Company

5.0 Mar 2, 2023

Their developer was top-notch and very knowledgeable, and the quality of their work was amazing.

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UI/UX Design & Frontend Dev Augmentation for Software Co

4.5 Mar 17, 2021

MITRIX provides quality developers. They’re already knowledgeable, which cuts down the time necessary to explain how the platform should work. Their team is experienced and understands the app.

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Australia (1)

Belarus (1)

Denmark (1)

Georgia (1)

Germany (1)

Lithuania (1)

Poland (1)

Switzerland (1)

Ukraine (1)

United States (5)

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Apriorit

4.9 40 reviews
Premier Verified

Undisclosed

$100 - $149 / hr

250 - 999

Poznań, Poland

Services provided

20% Blockchain

20% Custom Software Development

20% Cybersecurity +4 services

15% AI Development

10% Generative AI

10% Web Development

5% IT Staff Augmentation

Apriorit is a technology company specializing in Blockchain Solutions, with expertise in Smart Contract Development and Decentralized System Development. Clients appreciate their professional and flexible approach, as evidenced by positive feedback highlighting their timely deliverables and robust product development. Approximately 100% of reviews emphasize the impressive professionalism of Apriorit's senior engineers.

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Reviews mention Easy to work with

Clients consistently highlight Apriorit's ease of collaboration, describing them as 'fantastic and easy to work with' and integral to their teams. One client noted their team operates like full-time staff, demonstrating strong communication and work ethic. They are proactive, seeking additional tasks when needed, and they promptly address any issues that arise. Overall, feedback reflects a highly positive sentiment regarding their collaborative approach and seamless integration into client projects.

Software Dev & QA Automation for Cybersecurity Startup Co

5.0 Jun 13, 2022

Their work has been brilliant; they operate like full-time staff and are fantastic and easy to work with. They are also hard workers with good technical abilities. Overall, I couldn’t speak more highly of them; they are lovely to work with — if they don’t have enough work, they come and ask for it.

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0 of 1 Blockchain reviews are 5 stars

$200,000 – $999,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

Smart Contract Development for NFT Art Collection Co

4.5 — Apriorit has developed a smart contract solution for an NFT art collection company using the Ethereum network. Currently, the team helps the client implement changes to the solution as needed. Read more

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Canada (3)

Czech Republic (1)

Finland (1)

Germany (1)

Israel (6)

Spain (1)

United States (20)

England (1)

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FREYSOFT

5.0 7 reviews
Verified

$10,000+

$25 - $49 / hr

50 - 249

Warszawa, Poland

Services provided

40% Blockchain

20% Mobile App Development

20% Web Development +2 services

10% AI Development

10% Low/No Code Development

FREYSOFT is a development company specializing in providing fintech and startup solutions, including mobile applications, front-end engineering, and web development. Their reviews highlight exceptional professionalism, problem-solving capabilities, and timely delivery, with 100% of feedback being positive. Clients frequently commend their smooth communication and reliability, making them a preferred choice for tech-driven projects.

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Reviews mention Well-organized projects

Clients consistently praised FREYSOFT for their well-organized project management. One CEO highlighted that the project was completed ahead of schedule, noting the smooth communication and professionalism of the developers. Another client emphasized that FREYSOFT quickly addressed urgent issues, enabling timely project progression. Overall, the sentiment reflects a strong appreciation for FREYSOFT's efficiency and ability to deliver results promptly and effectively.

Information System, CRM & Mobile App for Radiology Company

5.0 Feb 15, 2023

Communication was very smooth and well organized. The project was finished earlier than planned. I was most impressed by the level of professionalism and self-organization of Freisoft developers. They knew exactly what needed to be done and always achieved maximum results.

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India (1)

Malaysia (1)

Ukraine (1)

United States (2)

England (1)

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Smartym Pro

4.7 15 reviews
Verified

$25,000+

$25 - $49 / hr

10 - 49

Warszawa, Poland

Services provided

10% Blockchain

50% Custom Software Development

15% IT Staff Augmentation +3 services

10% Mobile App Development

10% Web Development

5% IT Managed Services

Smartym Pro is a versatile software development company specializing in mobile and web app development, blockchain solutions, and investment platforms. Reviews highlight their strong project management, effective communication, and ability to meet deadlines. Approximately 90% of reviewers commend Smartym Pro's ability to deliver on time and within budget, while 80% mention their proactive approach and willingness to provide innovative solutions. The company is praised for its skilled team and seamless integration with clients' requirements.

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Reviews mention Knowledgeable

Smartym Pro is highly regarded for their extensive knowledge and expertise in mobile app development. A client noted their 'extremely knowledgeable' team, which took a 'proactive and innovative approach' to tasks. The successful delivery of the project within budget and timeline reinforces this sentiment. Overall, clients express confidence in Smartym Pro's capabilities, highlighting their ability to meet project requirements effectively.

Residential Community App for IT Agency

5.0 Jan 22, 2019

Smartym Pro delivered what they promised to deliver. They’re extremely knowledgeable and take a proactive and innovative approach to our tasks.

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Authentic Digital

4.9 5 reviews
Verified

$5,000+

$100 - $149 / hr

10 - 49

Kraków, Poland

Services provided

20% Blockchain

25% UX/UI Design

20% Custom Software Development +2 services

20% Web Design

15% Web Development

Authentic Digital is a versatile agency specializing in UX/UI design, web development, and product branding. They consistently deliver high-quality, modern solutions that exceed expectations, as noted in 100% of reviews. Clients commend their dedication to project success, agile management, and innovative approaches, with 75% highlighting their ability to adapt and engage creatively within constrained timeframes and budgets.

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Reviews mention Team players

The sentiment regarding Authentic Digital's team collaboration is overwhelmingly positive. Clients appreciate their responsiveness and dedication, feeling as though they were an extension of their own teams. One client noted, "Hiring them felt like expanding our team - they cared about our product as much as we did." Their structured communication and involvement of team leaders in discussions further exemplify their commitment to collaboration, fostering an organized workflow that clients found effective.

Rebranding & Web Development for Educational Tech Company

5.0 Sep 24, 2019

As mentioned, Authentic Studio have been always presenting everything using prototypes or mockups so we were always on the same page and we did not waste time on emails and pointless notes. We even adopted some of their managerial flow and tools to our team, this meaning using Avocode or inVision, for instance. Hiring them felt like expanding our team - they cared about our product as much as we did.

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Peiko

5.0 113 reviews
Verified

$25,000+

$25 - $49 / hr

50 - 249

Warszawa, Poland

Services provided

90% Blockchain

10% Web Development

Peiko is a blockchain development company specializing in smart contract development, decentralized application (dApp) development, and blockchain solutions. Their reviews highlight a high level of professionalism and expertise, with 100% of clients praising their integration of complex blockchain technology into user-friendly platforms. The company is noted for its strong project management, timely delivery, and responsive communication, consistently exceeding client expectations.

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Reviews mention Timely

Overall, Peiko has received highly positive feedback regarding their timeliness in project management. Clients consistently noted that Peiko delivered items on schedule, with one client stating they met all deadlines and effectively communicated throughout the process. Another praised their responsiveness, highlighting how they quickly addressed needs and maintained clear communication. Specific instances include clients reporting zero delays during projects and timely completion of major milestones, demonstrating Peiko's commitment to meeting client expectations.

Custom DApp & Smart Contract Development for Software Dev Co

5.0 Oct 10, 2024

Peiko's project management was well-organized and efficient. They consistently met deadlines and provided regular updates throughout the process. The team responded quickly to our requests and showed flexibility in adapting to any changes. Their proactive approach helped ensure the project stayed on schedule and all deliverables were completed on time.

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API Dev, Web Dev & Blockchain for Software Co

5.0 Aug 30, 2024

Peiko’s project management was top-notch. They maintained a well-structured and transparent process, making it easy for us to track progress at every stage. Deliverables were consistently on time, and their agility throughout the process allowed us to modify the roadmap as needed.

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Trading Platform Dev & Maintenance for Software Dev Co

5.0 Aug 30, 2024

Peiko’s project management was highly effective. They maintained a well-structured process that kept the project on track, delivering all major milestones on time. Their communication was clear and consistent.

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Blockchain Services for Assistive Technology Company

5.0 Aug 15, 2024

Their project management has been excellent, delivering items on time and responding promptly.

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Web Development for Software Development Company

5.0 Jun 6, 2024

Peiko's project management was outstanding. They consistently delivered items on time and kept us updated throughout the process.

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54 of 54 Blockchain reviews are 5 stars

24 new reviews for Blockchain in past 6 months

$50,000 – $199,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

Custom Software Development for Business Solutions Firm

5.0 — Peiko developed a decentralized application (dApp) for a business solutions company. The team implemented smart contracts, created a UI, integrated multi-wallet support, and ensured compliance. Read more

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Romania (1)

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Interexy

4.8 61 reviews
Verified

$10,000+

$25 - $49 / hr

250 - 999

Warszawa, Poland

Services provided

25% Blockchain

25% AI Development

25% IT Staff Augmentation +1 service

25% Mobile App Development

Interexy is a Blockchain Development firm specializing in Smart Contract Development and Decentralized Application (DApp) Development. With a remarkable focus on innovation, 100% of reviews highlight their impressive development skills and effective problem-solving abilities, while 75% emphasize timely delivery and high communication levels. Clients appreciate their ability to bring complex ideas to life, though some note potential budget overruns.

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Reviews mention Team players

Interexy has received positive feedback regarding their team player sentiment, with clients highlighting their smooth communication and willingness to solve problems. One client noted their impressive approach and described them as one of the better outsourcing companies they have interacted with. Overall, the sentiment indicates that Interexy's team is collaborative and responsive, contributing to a successful project management experience.

Blockchain & Web App Dev for IT Company

4.0 May 27, 2024

I liked their approach and the willingness to solve problems from their team. The communication was smooth, and I really enjoyed working with them, one of the better outsource companies I have interacted with.

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2 of 4 Blockchain reviews are 5 stars

$10,000 – $49,000 avg. project cost

Blockchain PROJECT HIGHLIGHT

Tokenization Framework Development for Software Company

4.0 — A software company has hired Interexy to create a smart contract framework using Solana. The team is responsible for building a tokenization platform, a staking and NFT marketplace, and a Read more

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Netherlands (1)

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4soft

5.0 49 reviews

$10,000+

$50 - $99 / hr

50 - 249

Wrocław, Poland

Services provided

90% Blockchain

10% AI Development

4soft is a blockchain development company specializing in Distributed Ledger Technology, Smart Contracts, and Decentralized Application (DApp) Development. The firm has garnered overwhelmingly positive feedback, with clients praising its efficiency, adaptability, and deep expertise in blockchain technology. About 80% of reviews highlight 4soft's proactive approach and solution-oriented mindset in tackling complex projects.

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Reviews mention Well-organized projects

The feedback regarding 4soft's project organization is overwhelmingly positive. Clients noted their 'excellent project management style' and 'perfect communication,' which contributed to efficient project execution. One client emphasized that 4soft's team was 'well prepared, organized, and skilled,' while another highlighted their ability to establish accountability and provide regular updates. Overall, clients appreciated the structured approach and timely delivery, indicating that 4soft fosters well-organized projects that meet or exceed expectations.

Blockchain Dev for Software Development Company

5.0 Apr 18, 2020

Their project management style was excellent. Their communication was perfect; they even spoke German which we appreciated. Even though the engagement has wrapped up, we’re still in contact with our project manager, who checks in from time to time.

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Blockchain Support for Independent Consultant

5.0 Oct 19, 2018

I appreciate how vigilant they are when it comes to tracking. They’ve assigned what we call a service deployment manager who functions similarly to a project manager. He keeps a good pulse on everything across all of our projects. We coordinate using Slack, Skype, spreadsheets, and email; they also use Jira, but I prefer not to use it.

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Custom Web App. for Solar Firm

5.0 Feb 16, 2018

Their project manager was very experienced and provided regular updates. Weekly tasks were assigned and completed through a shared task list on Jira. This allowed us to monitor progress, which was very important for my CTO.

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5 of 5 Blockchain reviews are 5 stars

$50,000 – $199,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

E-Commerce Development for E-Commerce Company

5.0 — An e-commerce company has hired 4soft to design and develop a marketplace and decentralized apps for their revenue-sharing models. They've also designed a new logo for the client. Read more

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Tokenomia.pro

5.0 6 reviews

$5,000+

$50 - $99 / hr

10 - 49

Poznań, Poland

Services provided

70% Blockchain

20% Digital Engineering

10% Business Consulting

Tokenomia.pro is a Blockchain Development company specializing in tokenomics design, smart contract development, and comprehensive blockchain solutions. Feedback from clients highlights their professionalism, timely delivery, and outstanding token engineering expertise, with 100% of reviewers noting their impressive project management and commitment to client needs. The company's knowledge of blockchain technology and their ability to exceed expectations are frequently praised.

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Reviews mention Communicative

Clients have praised Tokenomia.pro for their strong communication skills, noting that they delivered items ahead of schedule and provided a dedicated team that facilitated seamless interaction. One client highlighted the team's willingness to engage through various channels, including in-person meetings, stating, 'They were willing to communicate not only online but also face to face.' Overall, the sentiment reflects high satisfaction with their communicative approach and responsiveness to client needs.

Blockchain Dev & Consulting for Customer Engagement Platform

5.0 Sep 27, 2023

The items were delivered ahead of time. Tokenomia.pro provided us with a dedicated team of token engineers, what helped greatly with communication. They were willing to communicate not only online (via video, slack and email) but also face to face in our office so the workflow was perfect.

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3 of 3 Blockchain reviews are 5 stars

1 new review for Blockchain in past 6 months

$50,000 – $199,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

Blockchain Dev & Consulting for Customer Engagement Platform

5.0 — Tokenomia.pro was hired by a customer engagement platform to design tokenomics and run token simulations. They led workshops and formulated economic objectives for the system. Read more

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Cowchain

5.0 15 reviews

$25,000+

$150 - $199 / hr

50 - 249

Warszawa, Poland

Services provided

90% Blockchain

10% Web Development

Cowchain is a specialized blockchain development company offering a wide range of services, including smart contract development, decentralized application development, and blockchain solutions. Across their reviews, Cowchain has received overwhelmingly positive feedback, with approximately 100% of reviewers highlighting their technical expertise, responsiveness, and high-quality project management. Clients particularly appreciate Cowchain's ability to meet deadlines, with many noting the company's seamless communication and strategic approach to complex blockchain projects.

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Reviews mention Well-organized projects

Clients consistently praised Cowchain for their well-organized project management, highlighting their ability to meet deadlines and deliver high-quality work. One CEO noted, "They managed the project flawlessly," while another emphasized their "exemplary, meticulous, and exceptional" approach. Feedback indicated that communication was seamless, with one client stating, "Their performance in every facet was nothing short of perfect." Overall, the sentiment reflects strong satisfaction with Cowchain's project organization and execution.

Blockchain & Custom Dev for Biometric Solutions Company

5.0 Sep 8, 2023

When it comes to describing Cowchain Agency's project management, a few words instantly come to mind: exemplary, meticulous, and exceptional. Throughout our collaboration over the 1.5 months, they consistently showcased proficiency, especially in blockchain development. Our project, albeit with its intricacies, was executed with unmatched precision and efficiency. Their timely completion of critical tasks—right from smart contracts development to backend integrations and even the nuanced devops jobs—speaks volumes of their commitment and capability. In addition, the detailed documentation they prepared was a testament to their thoroughness and dedication to the project. Their team, consisting of a project manager, team lead, and senior developer, showed an astounding level of coordination and synergy.

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9 of 9 Blockchain reviews are 5 stars

3 new reviews for Blockchain in past 6 months

$50,000 – $199,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

Custom Software Dev & Blockchain for Cryptocurrency Platform

5.0 — Cowchain has developed the Web3 NFT and DeFi dApp for a cryptocurrency platform. The team has also built a landing page, an admin panel, Telegram features, and a Web3 education hub. Read more

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Novus Team

5.0 12 reviews

$25,000+

$50 - $99 / hr

10 - 49

Warszawa, Poland

Services provided

60% Blockchain

10% Custom Software Development

10% E-Commerce Development +2 services

10% Mobile App Development

10% Web Development

Novus Team is a Blockchain Development company specializing in integrating blockchain technology, NFT development, and decentralized application (DApp) development. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their timely delivery, strong team chemistry, and innovative solutions. Clients appreciate their deep expertise in blockchain and decentralized systems, resulting in enhanced user experience and successful project outcomes.

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Reviews mention Team players

The feedback indicates a positive sentiment towards Novus Team's collaborative nature. Clients appreciate the seamless integration of the diverse team into their projects, highlighting their strong chemistry and effective communication. One client noted, 'They've integrated themselves into the project seamlessly and are a strong team with great chemistry.' Overall, the reviews reflect satisfaction with the team's ability to work cohesively and deliver on project objectives.

Web & Blockchain Dev for Economic Dev Organization

5.0 Mar 6, 2024

We enjoy that young professionals from all across the world make up the Novus team. They've integrated themselves into the project seamlessly and are a strong team with great chemistry.

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2 of 3 Blockchain reviews are 5 stars

$50,000 – $199,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

Web & Blockchain Dev for Economic Dev Organization

5.0 — Novus Team integrated blockchain technology into an economic development organization's website. This included constructing the website's framework, handling coding, and addressing and resolving Read more

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Neti

5.0 8 reviews

$25,000+

$50 - $99 / hr

10 - 49

Rzeszów, Poland

Services provided

80% Blockchain

20% Custom Software Development

Neti is a Blockchain Development company specializing in Blockchain Technology, Smart Contract Development, and Decentralized System Development. Their reviews indicate a high level of client satisfaction, with 100% positive feedback emphasizing timely delivery, innovative solutions, and exceptional project management. Clients particularly praise Neti's technical prowess and proactive approach, highlighting their ability to exceed expectations and deliver high-quality, decentralized applications.

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Reviews mention Establish clear expectations

Clients have reported that Neti excels in establishing clear expectations through effective communication and collaboration. One client noted that despite their initial discomfort with written requirements, Neti's approach to communication was refreshing, resulting in timely deliverables and a strong working relationship. The client appreciated Neti's ability to clarify project needs and provide solutions, highlighting their focus on understanding and meeting client requirements as a standout feature of their service.

Software Development for Computer & Network Security Company

5.0 Dec 30, 2021

Overall, they’ve delivered everything on time, and they’re there when I call them. They’re also able to explain things to me in a way I can understand — their client collaboration is extraordinary! They’re good at identifying solutions; I came to them with some bullet points of what I needed, and they explained to me how we should write everything down and how they could improve on the solution.

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3 of 3 Blockchain reviews are 5 stars

$200,000 – $999,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

Custom Blockchain Dev for Software Solutions Co

5.0 — Neti provided blockchain development to a property management software solutions company using Bootstrap as the core infrastructure. Their work included UI/UX design, MVP development, and API Read more

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imapp

5.0 6 reviews

$25,000+

$50 - $99 / hr

10 - 49

Warszawa, Poland

Services provided

85% Blockchain

15% Web Development

imapp is a blockchain development company specializing in creating decentralized applications, smart contracts, and blockchain solutions. Their clients consistently commend their expertise, professionalism, and innovative problem-solving approaches. With a 100% positive feedback rate, reviewers frequently praise imapp's responsive communication and collaborative project management, highlighting their ability to deliver projects on time and within scope.

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Reviews mention Flexible

Clients have consistently praised Imapp for their flexibility in addressing project challenges. One client noted their team was 'very responsive and presented a flexible approach to challenges,' highlighting their adaptability throughout the development process. Overall, the sentiment regarding flexibility is overwhelmingly positive, with clients appreciating the team's ability to accommodate evolving project needs effectively.

Frontend & Backend Development for IT Services Company

5.0 Sep 13, 2022

They were professionals who thought out of the box. Their team was very responsive and presented a flexible approach to challenges.

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EthWorks

4.9 10 reviews

$5,000+

$100 - $149 / hr

10 - 49

Warszawa, Poland

Services provided

100% Blockchain

EthWorks is a blockchain and smart contract development company, offering services such as blockchain verification, decentralized application development, and web design. Across multiple reviews, clients consistently praise EthWorks for their expertise, professionalism, and responsiveness, with over 90% of reviews highlighting their deep domain knowledge and high-quality deliverables. Clients also appreciate their effective communication and partnership approach, with negligible negative feedback on their performance.

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Reviews mention Easy to work with

Clients consistently noted EthWorks' ease of collaboration, highlighting their 'easygoing' nature and flexibility in project execution. One client emphasized the team's organized approach and timely delivery, stating they were 'very easy to work with' and provided high-quality coding. Another client praised the team's attentiveness and effective communication, which contributed to a successful partnership. Overall, the sentiment reflects a strong appreciation for EthWorks' collaborative spirit and professionalism.

Blockchain Development for Internet Company

4.5 Aug 20, 2020

They were highly effective. Easygoing and flexibility were highlighted as impressive aspects of the company. These attributes contribute to an overall smooth and efficient workflow.

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Web Design for Hedge Fund

5.0 Jan 8, 2018

The team was very easy to work with. They developed a clear and organized plan to successfully execute our project. All the work we requested was done on time and within our budget.

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Rumble Fish

4.6 9 reviews

$25,000+

$50 - $99 / hr

10 - 49

Kraków, Poland

Services provided

40% Blockchain

25% Cloud Consulting & SI

25% Custom Software Development +1 service

10% Mobile App Development

Rumble Fish is a software development company specializing in front-end and back-end development, mobile applications, and blockchain solutions, frequently utilizing technologies like React and React Native. Feedback highlights their technical expertise and the exceptional dedication of certain developers, with around 60% of reviews noting impressive technical skills and mentorship. However, approximately 40% indicate challenges with project management, communication, and adherence to timelines, emphasizing the need for consistent project execution.

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Reviews mention Knowledgeable

Rumble Fish has received consistently positive feedback regarding their knowledge and expertise, particularly in blockchain technology. Clients have praised their ability to introduce highly skilled senior developers and their practical knowledge in the field, which is noted as rare. One client emphasized that Rumble Fish's proficiency was instrumental in delivering a complex project on time and to high standards, leading to a strong recommendation for their services.

Blockchain Dev for Cryptocurrency Exchange Platform.

5.0 Aug 7, 2020

With our growing need for senior developers, they were able to introduce project developers with great technical seniority. Also, their practical knowledge about blockchain is rare to find. Their skills and proficiency were excellent.

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Mobile Reality

5.0 15 reviews

$5,000+

$25 - $49 / hr

10 - 49

Warszawa, Poland

Services provided

20% Blockchain

30% Mobile App Development

30% Web Development +1 service

20% UX/UI Design

Mobile Reality is a versatile software development company specializing in web and mobile applications, utilizing technologies like React Native, NodeJS, and VueJS. Reviews consistently praise their effective project management, timely delivery, and strong technical expertise, with 100% positive feedback noting their professionalism and cost-effectiveness. Clients highlight their impressive leadership and proactive approach to fulfilling project requirements.

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Rite NRG

4.9 16 reviews

$25,000+

$50 - $99 / hr

50 - 249

Wrocław, Poland

Services provided

30% Blockchain

60% IT Managed Services

10% Custom Software Development

Rite NRG is a blockchain development company recognized for its proficient Smart Contract Development and comprehensive blockchain solutions. With 100% positive feedback, clients praise their deep expertise in blockchain technology and their collaborative, proactive approach, which significantly enhances project outcomes. Reviewers highlight their effective communication and problem-solving skills as key strengths.

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Reviews mention Communicative

Clients consistently praised Rite NRG for their strong communication skills, highlighting their responsiveness and clarity. One client noted that interactions were consistently clear, with prompt updates on project status and proactive involvement in decision-making. Another emphasized that Rite NRG's project management was brilliant, adapting to various communication platforms and ensuring all team members understood the client's business needs. Overall, sentiment regarding Rite NRG's communicative approach is highly positive, reflecting effective collaboration and support throughout the project lifecycle.

Web3 Solution & Mobile App Dev for Mobile App Design Agency

4.5 Aug 16, 2023

Interacting with Rite NRG was very clear. They consistently demonstrated responsiveness to our queries and concerns, while providing punctual updates regarding the project's status. Their initiative in communication ensured we were continually updated and included in essential decision-making processes. Beyond the daily interaction with their team members on the ground, we maintained regular contact with the project and personnel managers at Rite NRG.

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Staff Augmentation for Tech Company

5.0 Apr 20, 2023

Rite NRG project management is brilliant; their communication is clear, and everyone from their team understands our business, which helps us mitigate risks and stay on track. Regarding tools, we use Slack, Google Meet, and Jira, but Rite NRG’s team adapts to whatever platform the project needs — they’re very responsive.

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Software Solution Testing for In-Gaming Company

5.0 Jul 12, 2021

RiteNRG QAs were part of our internal teams and I believe it helped a lot with planning their work and with the communication. RiteNRG made sure that we have a regular catch-up meeting where I could share all my feedback about the QAs they provided to us. It was a really great idea as we could address all the potential issues immediately.

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0 of 1 Blockchain reviews are 5 stars

$50,000 – $199,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

Web3 Solution & Mobile App Dev for Mobile App Design Agency

4.5 — Rite NRG was hired to develop a web3 solution and a mobile application for a mobile app design agency. Rite NRG developed an app anchored on blockchain technology, crafting smart contracts using Read more

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ND LABS

5.0 6 reviews

$10,000+

$25 - $49 / hr

10 - 49

Warszawa, Poland

Services provided

60% Blockchain

20% Business Consulting

10% AI Development +1 service

10% Web Development

ND LABS provides Blockchain Development services, including Distributed Ledger Development, Cryptocurrency Development, and Smart Contract Development. Client feedback emphasizes their exceptional project management, innovative solutions, and user-friendly designs, particularly in creating secure self-custodial mobile wallets with cross-chain compatibility and integrated messaging. ND LABS is praised for their proactive approach, timely delivery, and ability to exceed expectations, though increasing their market presence is suggested for further improvement.

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Reviews mention Flexible

Clients have consistently noted ND LABS' flexibility in adapting to project needs and schedules. One reviewer highlighted their ability to identify bottlenecks and involve the right personnel swiftly, stating, 'They were always flexible.' This sentiment reflects a strong appreciation for their agile approach and responsiveness, contributing positively to the overall project management experience. The feedback indicates that ND LABS is well-regarded for its adaptability in dynamic project environments.

UX/UI Design & Dev for Software Development Company

5.0 Sep 29, 2020

They’re able to identify potential bottlenecks or critical parts in the design phase. Their agility, responsibility, and capability to involve the right people were impressive. They always brought the required people to the discussion table when needed and also finding them for a period of time like a couple of weeks was impressive. They were always flexible.

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Silk Software House

4.9 6 reviews

Undisclosed

$50 - $99 / hr

50 - 249

Warszawa, Poland

Services provided

15% Blockchain

25% Custom Software Development

20% IT Strategy Consulting +3 services

15% E-Commerce Development

15% Mobile App Development

10% Web Development

Silk Software House is a Blockchain Development company noted for its expertise in Distributed Ledger Technology and Smart Contract Development. The company consistently delivers projects on time, with a proactive approach to addressing issues. Positive feedback highlights their thorough review and critical questioning of project briefs, with 100% of reviewers expressing satisfaction with their services.

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Reviews mention Patient

Silk Software House has received commendations for their patience and adaptability, particularly in working with clients lacking IT expertise. A notable client emphasized their ability to exceed expectations in quality while maintaining a collaborative atmosphere. The ongoing engagement since 2014 reflects a strong partnership, with the client appreciating their open-mindedness and effective communication throughout a demanding project. Overall, the sentiment is highly positive, highlighting the company's dedication to understanding and fulfilling client needs.

Web Development for Media Group

5.0 Aug 28, 2019

We're a very demanding client and we expect a high-quality service. Silk Software House exceeded our expectations in terms of quality. Also, they're patient and able to work with people who don't have an IT background.

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0 of 1 Blockchain reviews are 5 stars

$1,000,000 – $9,999,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

Custom Software & Web Development for Cycling Platform

4.5 — Silk Software House has developed a solution for a cycling platform. The team has built video streaming, fantasy games, and live data integration features, a ranking system's frontend, and a Hedera Read more

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Evojam

4.9 12 reviews

$10,000+

$50 - $99 / hr

10 - 49

Warszawa, Poland

Services provided

20% Blockchain

75% Custom Software Development

5% IT Strategy Consulting

Evojam is a custom software development company specializing in web and application development, with notable expertise in React, TypeScript, and AWS. The feedback from clients is overwhelmingly positive, highlighting Evojam's technical competence, adaptability, and professionalism. Approximately 100% of reviews commend their effective project management and high-quality deliverables. Many clients appreciate Evojam's ability to work autonomously while maintaining clear communication and providing proactive solutions.

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Reviews mention Openness

Clients have consistently praised Evojam for their openness and willingness to engage in meaningful dialogue. One client noted that Evojam's consultants were 'experienced and motivated people with open minds,' which facilitated valuable discussions on various topics. Another highlighted the company's ability to align with their values and needs, emphasizing that the project scope was agreed upon through thorough communication. Overall, the sentiment reflects a strong appreciation for Evojam's transparent and collaborative approach.

HR Consulting for Custom Software Dev Company

5.0 Feb 2, 2024

Evojam is led by experienced and motivated people with open minds and years of experience in the industry. The opportunity to consult side topics freely was very valuable to me.

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Concise Software

4.7 23 reviews

$10,000+

$50 - $99 / hr

50 - 249

Rzeszów, Poland

Services provided

15% Blockchain

35% Web Development

25% Custom Software Development +3 services

10% Low/No Code Development

10% Mobile App Development

5% UX/UI Design

Concise Software is a versatile software development company specializing in web and mobile app development, with expertise in frontend and backend technologies. The company has received overwhelmingly positive feedback, with approximately 90% of reviewers commending their communication skills and technical expertise. Clients appreciate their flexibility, adherence to timelines, and proactive approach to problem-solving, though some suggest improvements in design implementation and cost estimation.

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Reviews mention Results-oriented

Concise Software has received positive feedback for their results-oriented approach, significantly contributing to client growth. One client noted a remarkable increase in mobile order percentages from 5% to over 45%, attributing this success to Concise's effective app development and feature implementation. Their seamless workflow, characterized by regular communication and collaboration, enhances predictability in project deliveries. Overall, clients commend the agency for their skilled developers and consistent high-quality results, with no areas for improvement identified.

Mobile App Development for Food Ordering Platform

5.0 Apr 16, 2018

Concise continues to be an integral part of our company's growth. Our mobile order percentages increased from 5% to more than 45%. Their apps consistently increase our conversion rates and help ship category-leading features. Concise's developers are some of the most experienced, trustworthy, and skilled in the market. The agency's access to leading talent and consistent delivery of high-quality results keeps us happy.

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Qulix

4.9 10 reviews

$25,000+

$50 - $99 / hr

250 - 999

Wrocław, Poland

Services provided

10% Blockchain

10% AI Development

10% Application Testing +7 services

10% BI & Big Data Consulting & SI

10% Custom Software Development

10% DevOps Managed Services

10% IoT Development

10% Mobile App Development

10% UX/UI Design

10% Web Development

Qulix is a versatile software development company renowned for its extensive expertise in front-end and back-end solutions across diverse industries, including finance and IoT. Reviews consistently highlight their technical proficiency, responsiveness, and ability to deliver high-quality code, with over 90% of clients expressing satisfaction. Their agile approach and effective project management are frequently praised, though occasional concerns about resource allocation have been noted.

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Reviews mention Results-oriented

Clients have expressed a strong sentiment towards Qulix Systems being results-oriented. One client highlighted their satisfaction with the project outcomes, stating, 'They went the extra mile and we were completely satisfied with the results.' The company's professional response and technical knowledge were also noted as distinguishing factors in their selection process, further emphasizing their commitment to delivering effective solutions.

Web App Dev and Design for Fashion Products Site

5.0 Mar 23, 2019

They went the extra mile and we were completely satisfied with the results.

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Symfa

4.9 17 reviews

$10,000+

$50 - $99 / hr

50 - 249

Warszawa, Poland

Services provided

20% Blockchain

40% Mobile App Development

10% AI Development +3 services

10% BI & Big Data Consulting & SI

10% Custom Software Development

10% Low/No Code Development

Symfa is a software development company known for providing a wide range of services, including custom software solutions, data analytics, and mobile and web development. The reviews indicate a strong emphasis on meeting customer needs with flexibility and effective communication. An impressive 90% of reviewers highlighted Symfa's commitment to delivering projects on time and within budget, and 80% praised their proactive approach and technical expertise.

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Reviews mention Knowledgeable

The feedback from clients regarding Symfa highlights their profound technical knowledge and proactive problem-solving abilities. One client noted that Symfa's engineers consistently offer multiple solutions to issues while clearly explaining the pros and cons of each. Another client praised their attention to detail and ownership of tasks, stating they return with clarifications and suggestions for improvement. Overall, the sentiment is overwhelmingly positive, with clients appreciating Symfa's expertise and adaptability in meeting project requirements.

IT Staff Aug for Software Dev Company

5.0 Nov 1, 2023

Symfa's developers seamlessly integrate with our internal team. Their profound technical and domain knowledge, proactive mindset, and adaptability are greatly valued by our in-house team members and customers. They demonstrate remarkable flexibility and readily adjust to evolving requirements.

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Software Engineering Projects for Development Group

5.0 Dec 1, 2017

I liked the fact that, when you give them a task, they’ll come back to you with questions for clarification and with examples and suggestions of how to do it better. That is truly professional. They bring an attention to detail and high level of knowledge to the task.

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DevelopsToday

5.0 14 reviews

$10,000+

$25 - $49 / hr

50 - 249

Warszawa, Poland

Services provided

15% Blockchain

40% Mobile App Development

25% Web Development +2 services

10% Application Testing

10% Low/No Code Development

DevelopsToday is a technology development company that specializes in Blockchain Development, Distributed Ledger Development, and Smart Contract Development. The company has received overwhelmingly positive feedback, with 100% of reviews highlighting their efficient delivery, high-quality output, and adept project management. Their expertise in fintech and blockchain technology is particularly noted as a significant advantage.

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Reviews mention Well-organized projects

Clients have consistently praised DevelopsToday for their well-organized project management, noting that they adhered to agile practices and met deadlines effectively. One client highlighted the straightforward project management setup using tools like Linear, Notion, and Slack, which facilitated smooth communication. Additionally, the commitment to quality assurance was commended, with over 99% crashless sessions reported post-launch, showcasing their dedication to delivering a seamless user experience.

Mobile App Dev for Sports Community Platform

5.0 Jul 25, 2023

Project management was straightforward and followed agile practices. DevelopsToday met deadlines and stayed on budget. The project management setup was lean and functional: Linear, Notion, Slack and Miro.

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2 of 2 Blockchain reviews are 5 stars

$10,000 – $49,000 avg. project cost

Blockchain PROJECT HIGHLIGHT

MVP Development for Curated Music Video Company

5.0 — A music video firm hired DevelopsToday to build an MVP. This involved developing the product's frontend, backend, and architecture code. The team used the client's UI/UX designs and turned them into Read more

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Ukraine (2)

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3dev

5.0 3 reviews

$5,000+

$25 - $49 / hr

2 - 9

Bielsko-Biała, Poland

Services provided

50% Blockchain

20% Custom Software Development

15% Web Development +2 services

10% AR/VR Development

5% Other Application Development

3dev is a specialized blockchain development company with expertise in smart contracts, tokenization, and decentralized applications. They consistently receive positive feedback for their technical proficiency and problem-solving capabilities, with 100% of reviewers praising their dedication, timely delivery, and effective communication. Reviewers also highlight 3dev's ability to quickly adapt and integrate into clients' workflows, demonstrating a strong commitment to project success.

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Reviews mention Reliable

Clients consistently highlight 3dev's reliability, noting their exceptional throughput and dependable performance compared to previous systems. One CEO emphasized the company's commitment to improving solutions and preventing potential issues, stating that 3dev's communication and project management were smooth and effective. Overall, the sentiment reflects a strong trust in 3dev's capabilities, with clients appreciating their expertise and proactive approach throughout the project.

Toolset Dev for Trading Platform

5.0 Oct 12, 2022

The solution throughput and reliability was incomparably better than our legacy system. Current system is able to process big amounts of data thanks to scalable architecture. The workflow was smooth, we were amazed how many good ideas come from their side.

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Fabrity

4.7 11 reviews

$25,000+

$25 - $49 / hr

250 - 999

Warszawa, Poland

Services provided

10% Blockchain

30% Custom Software Development

20% Generative AI +3 services

15% AI Development

15% IoT Development

10% E-Commerce Development

Fabrity is a software development company specializing in designing and implementing web-based platforms, custom software, and mobile applications. The company consistently receives positive feedback for their project management, technical expertise, and ability to meet deadlines, with around 80% of reviews highlighting their professionalism and effective communication. Clients frequently commend Fabrity for their agile approach, flexibility, and high-quality deliverables.

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Reviews mention Flexible

Client feedback highlights Fabrity's exceptional flexibility in project execution. One client noted their ability to adapt to varying project needs, stating, "Projects are highly flexible and controlled to maintain an adequate level of service." Another emphasized Fabrity's responsiveness, mentioning their "full professionalism and deep expertise" throughout the project lifecycle. Overall, the sentiment regarding flexibility is overwhelmingly positive, with clients appreciating Fabrity's capacity to adjust resources and strategies effectively.

Mobile App Dev for Fuel Retail Business

4.5 Jun 13, 2022

Fabrity always provides very strong PM support. It is able to adapt to the working environment imposed by the principal. The fact that projects are highly flexible cannot be overstated either.

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Custom Software Development for Global Technology Company

5.0 May 4, 2022

Fabrity showed full professionalism, deep expertise, and flexibility at every stage of the project. Project management was professional. Vendor met deadlines. In case of delays informed about them in advance.

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Aetsoft

4.8 3 reviews

$10,000+

$50 - $99 / hr

50 - 249

Gdańsk, Poland

Services provided

40% Blockchain

40% Custom Software Development

10% AI Development +1 service

10% E-Commerce Development

Aetsoft is a blockchain technology company specializing in Blockchain Development, Decentralized System Development, and Smart Contract Development. The company is praised for its technical competence, flexibility, and innovative blockchain solutions, with 100% of reviewers noting their excellent performance and value for cost. However, there are suggestions for improving team cohesion to enhance project delivery.

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Reviews mention Flexible

Aetsoft's flexibility is consistently highlighted across client reviews. One client noted their 'strong focus on Web3 and blockchain solutions' and appreciated their 'client-centered' approach, utilizing Agile and Kanban methodologies to adapt to client needs. Another client emphasized Aetsoft's ability to integrate seamlessly with their teams, stating that their flexibility 'made their contributions invaluable.' Overall, clients express satisfaction with Aetsoft's adaptability and responsiveness, though some suggest enhancing coordination between sales and project delivery teams.

NFT Marketplace & Web Dev for Content Creator Platform

4.5 Nov 1, 2024

Aetsoft impresses with its strong focus on Web3 and blockchain solutions, from NFTs to DeFi apps and metaverse integration. They’re flexible and client-centered, using methods like Agile and Kanban to ensure their tech fits smoothly with clients’ needs. Their balance of expertise and adaptability makes them a standout in blockchain innovation.

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Web, Blockchain & Mobile App Dev for IT Services Company

5.0 Oct 21, 2024

Their technical competence, performance, and speed were excellent, and the flexibility to work directly within our teams and squads made their contributions invaluable.

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2 of 3 Blockchain reviews are 5 stars

3 new reviews for Blockchain in past 6 months

$200,000 – $999,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

NFT Marketplace & Web Dev for Content Creator Platform

4.5 — Aetsoft has developed an NFT marketplace and a company website for a content creator platform. The team is also responsible for integrating MetaMask and social engagement features. Read more

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GO ONLINE

5.0 11 reviews

$10,000+

$25 - $49 / hr

10 - 49

Warszawa, Poland

Services provided

10% Blockchain

30% Web Development

20% Custom Software Development +4 services

10% AI Development

10% Cloud Consulting & SI

10% Low/No Code Development

10% Mobile App Development

GO ONLINE is a versatile software development company specializing in UI/UX design, web development, and custom software solutions. The company is highly praised for its effective communication, meeting all deadlines, and delivering high-quality products. Reviewers consistently highlight GO ONLINE's ability to listen to client needs, with 100% of the feedback being positive and emphasizing their professionalism and capacity to understand and enhance initial project concepts.

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Reviews mention Efficient

The sentiment regarding RAD4M's efficiency is overwhelmingly positive, with clients highlighting their adaptability and dedication. One client noted, "They are very efficient" and appreciated their understanding of goals and high-level business relationship. Another remarked on their "extremely efficient" performance, emphasizing the importance of providing thorough documentation to optimize outcomes. Despite challenges with documentation, clients acknowledged RAD4M's ability to meet needs without complaint, further reinforcing their reputation for efficiency.

Intranet Portal Solution for Energy Company

5.0 Oct 17, 2017

They are very efficient. RAD4M understands our goals, and we have a business relationship on a high level. I am sure the results will be good—their team is good for the cost and they’re more efficient than other developers.

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Survey Software Solution for Gifting Company

5.0 Sep 27, 2017

I even received calls at midnight, which shows how dedicated they were at meeting deadlines. Contact them immediately. They’re extremely efficient. It’s important to provide them with documentation so things are done according to a certain set of standards.

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ULAM LABS

4.8 12 reviews

$10,000+

$50 - $99 / hr

50 - 249

Wrocław, Poland

Services provided

10% Blockchain

50% Custom Software Development

15% Cybersecurity +2 services

15% Product Design

10% Low/No Code Development

ULAM LABS is a blockchain development company specializing in solutions such as custody infrastructure and smart contract development. Their reviews highlight strong domain knowledge, effective communication, and flexible project management. Notably, 100% of reviewers commend their corporate culture and teamwork, with no areas for improvement mentioned.

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Reviews mention Well-organized projects

Clients have consistently praised ULAM LABS for their well-organized project management, notably delivering on time and adhering to planned sprints. One client highlighted their flexibility in adjusting priorities, while another emphasized their effective communication and transparency regarding timelines. A CEO remarked on their exceptional understanding of project requirements and the overall quality of teamwork, stating, "They’re organized and good at managing development sprints," further solidifying the positive sentiment surrounding ULAM LABS' project management capabilities.

Infrastructure Design & Dev for Digital Assets Lending Firm

5.0 Oct 17, 2023

They deliver according to the plan and sprints. They are flexible in terms of shift according to our priorities.

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Backend Python Dev for SAAS Projects

5.0 Feb 16, 2018

However, they’re organized and good at managing development sprints. We communicated through Slack, Google Hangouts, and used Jira for test management.

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Django Dev for Fragrance Ordering Platform

5.0 Feb 12, 2018

I'm most impressed by their project management and communication approach, especially compared to other contractors I've worked with. They're organized and take deadlines seriously, but they're also transparent about any issues that may come up and delay work.

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1 of 1 Blockchain reviews are 5 stars

$200,000 – $999,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

Infrastructure Design & Dev for Digital Assets Lending Firm

5.0 — ULAM LABS has developed the custody infrastructure of a digital asset lending company. Their tasks involve prototype creation, UI/UX design, feature deployment, API integrations, and CI/CD pipeline Read more

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teonite

4.8 11 reviews

$10,000+

$100 - $149 / hr

10 - 49

Szczecin, Poland

Services provided

10% Blockchain

35% Custom Software Development

10% AI Development +6 services

10% Product Design

10% UX/UI Design

10% Web Development

5% Architectural Design

5% IT Strategy Consulting

5% Mobile App Development

Teonite is a versatile technology company specializing in software development, data engineering, mobile app development, and web solutions. Across multiple reviews, clients praised Teonite for their professionalism, expertise, and proactive problem-solving approach. Approximately 90% of reviewers noted their effective communication and project management, while around 75% highlighted their ability to integrate seamlessly with existing teams and projects.

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Reviews mention Team players

Clients have expressed a highly positive sentiment regarding TEONITE's collaborative approach, describing them as an extension of their teams. One client noted, "Easy communication between teams helped foster a close partnership I haven’t experienced with other vendors." Additionally, TEONITE's team was commended for their empathy and responsiveness, with one client mentioning their willingness to provide weekend support without complaint. Overall, the sentiment reflects a strong appreciation for TEONITE as team players who prioritize client needs and foster effective collaboration.

App Dev for News Organization

4.5 May 16, 2018

The project was an extremely close and agile collaboration. We valued their opinions and considered them an extension of our team. Easy communication between teams helped foster a close partnership I haven’t experienced with other vendors.

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Sygnisoft sp. z o.o.

4.9 4 reviews

$1,000+

$50 - $99 / hr

10 - 49

Warszawa, Poland

Services provided

15% Blockchain

35% Custom Software Development

30% Mobile App Development +1 service

20% Web Development

Sygnisoft S.A. is a multifaceted development company specializing in creating platforms for mobile games and casino operations, demonstrating expertise in integrating back-end and front-end systems. Reviews consistently highlight their effective project management, responsive communication, and commitment to understanding client needs. With 100% of reviewers praising their dedication and industry-specific knowledge, Sygnisoft S.A. has proven to be a reliable and effective partner.

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Reviews mention Experienced

Clients express a high level of satisfaction with Sygnisoft S.A.'s experience and engagement in projects. One CEO noted their commitment and effective communication, stating, "I was quite impressed with how smooth the work was." Another highlighted the team's curiosity and responsiveness, indicating that this led to a successful development process. Overall, feedback emphasizes the importance of transparency and collaboration, with clients recommending that potential customers engage in open discussions to maximize the benefits of Sygnisoft's expertise.

Custom Software & Web Development for Gaming Company

5.0 Mar 4, 2021

The team is highly experienced and effective, so I would advise potential customers to be transparent with them. I think every problem has a solution, but there is a need to communicate it with all people involved. Have meetings and brainstorming sessions because anything can be solved with such experienced people.

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Navarra Lab

5.0 1 review

$5,000+

$50 - $99 / hr

10 - 49

Kraków, Poland

Services provided

10% Blockchain

30% Web Development

20% Custom Software Development +3 services

20% E-Commerce Development

10% AR/VR Development

10% Mobile App Development

Navarra Lab is a proficient web development company specializing in React.js, known for creating high-performance websites with enhanced user experiences. Overall feedback is overwhelmingly positive, highlighting their expertise, efficient project management, and commitment to delivering exceptional results. Impressively, 100% of the reviewers praised their knowledgeable team and agile work approach.

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Blockhunters

5.0 2 reviews

$5,000+

$50 - $99 / hr

2 - 9

Łódź, Poland

Services provided

60% Blockchain

30% Cybersecurity

10% Custom Software Development

Blockhunters is a specialized blockchain security auditing firm that offers comprehensive security assessments for smart contracts and blockchain infrastructure. Their reviews highlight a 100% positive feedback rate, emphasizing their prompt communication, professional service, and deep expertise in security vulnerabilities. Clients appreciate their transparency, credibility, and efficiency, with many noting their capability to handle complex technical challenges swiftly and effectively.

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Reviews mention Helpful

Clients have expressed high satisfaction with Blockhunters, highlighting their rapid response times and effective communication. One client noted the impressive speed of their security audit, which identified over 30 vulnerabilities promptly. The customer service was described as 'exceedingly helpful,' even beyond the initial scope of work. The transparency and professionalism of the team were particularly appreciated, reinforcing a positive and collaborative working relationship. Overall, the sentiment is overwhelmingly positive, with clients eager to continue partnerships.

Cybersecurity for Digital Art Firm

5.0 Nov 5, 2021

As we had questions over the following days, they were exceedingly helpful and quick to reply, even though we had overstepped the scope of work we originally paid for a little bit. When we were ready to move on with the next phase of our release, they were available and happy to continue working together with a new agreement. Every interaction was productive and supportive.

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hyperlab.digital

5.0 5 reviews

$25,000+

$25 - $49 / hr

10 - 49

Warszawa, Poland

Services provided

90% Blockchain

10% AI Development

hyperlab.digital is a versatile software development company proficient in data science solutions, web development, and marketing automation. Clients consistently praise their ability to deliver high-quality, timely outcomes tailored to specific business needs. Approximately 75% of reviewers appreciate their team's expertise and professionalism, while 25% suggest minor improvements in project negotiation and requirement management.

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Reviews mention Great team

Clients consistently praise Hyperlab.digital for their exceptional team dynamics and expertise. One client highlighted the project manager, Mariia, as particularly adept, stating the team 'know what to do' and commending their understanding of search engines. Overall, the sentiment reflects satisfaction with the team's ability to deliver high-quality solutions, despite minor delays in production releases. Clients feel confident in Hyperlab's capabilities, underscoring their professionalism and adequacy throughout the project.

Development Services for Predictive Analysis Tool Provider

5.0 Sep 29, 2020

They are a really adequate team, especially their Project Manager Maria.

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Webini

4.6 11 reviews

$50,000+

$50 - $99 / hr

50 - 249

Wrocław, Poland

Services provided

10% Blockchain

60% Custom Software Development

20% Web Development +1 service

10% E-Commerce Development

Webini is a multifaceted technology company offering services in web development, security audits, e-commerce solutions, and performance optimization. Reviews indicate a high level of technical expertise and effective project management, with 90% of clients praising their problem-solving and innovation. However, one client cited undelivered milestones and financial issues, suggesting room for improvement in trust and transparency.

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Reviews mention Well-organized projects

Clients have consistently praised Webini for their well-organized project management. They highlighted 'perfect communication skills' and a 'high level of organization' that facilitated clear correspondence throughout the project. One manager noted that the team effectively utilized dedicated tools, enhancing the overall workflow. The positive sentiment underscores Webini's capability to deliver structured and efficient project execution, which has resulted in successful outcomes for clients.

Web Revamp for E-Commerce Platform

5.0 Mar 25, 2021

Their project management style is characterized by perfect communication skills and a high level of organization. They maintain clear and easily readable correspondence in tools dedicated for project management.

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Inovatica

4.9 9 reviews

$10,000+

$50 - $99 / hr

10 - 49

Łódź, Poland

Services provided

10% Blockchain

35% Web Development

20% Mobile App Development +3 services

15% IoT Development

10% Custom Software Development

10% Wearable App Development

Inovatica is a versatile software development company specializing in web and app development, system maintenance, and innovative solutions across various industries, including healthcare, transit, and education. Client reviews highlight their technical expertise, collaborative approach, and commitment to quality. Approximately 85% of reviewers praise Inovatica for their responsive communication and ability to deliver complex projects, though some mention minor concerns with timeliness.

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Reviews mention Great project management

Clients have consistently praised Inovatica for their exceptional project management skills. One CEO highlighted their effective use of Scrum methodology, noting excellent communication via email and weekly video conferences, which facilitated problem-solving and goal-setting. The client emphasized that the project management was executed extremely well, resulting in a final product that exceeded expectations. Overall, the sentiment reflects a high level of satisfaction with Inovatica's reliable and competent team, contributing significantly to project success.

Outsourced Development for Biomedical Devices Startup

5.0 Jul 6, 2018

Project management was done extremely well, using mostly email to communicate. We followed a Scrum methodology with sprints and a weekly video conference for presenting results. Overall, their team is reliable, competent, fairly easy to get along with, and they all speak English. We solved any problems that came up and planned the next sprint goals together.

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Chainhouse

5.0 2 reviews

$1,000+

$25 - $49 / hr

2 - 9

Stargard, Poland

Services provided

100% Blockchain

Chainhouse is a blockchain development company specializing in Web3 integration and innovative solutions for online platforms. Clients praise their professionalism and effective communication, with 100% of reviews highlighting their commitment and timeliness. Reviewers also commend their specialized blockchain expertise and competitive pricing.

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Usertive

4.8 2 reviews

$1,000+

$25 - $49 / hr

10 - 49

Warszawa, Poland

Services provided

10% Blockchain

30% E-Commerce Development

30% UX/UI Design +1 service

30% Web Development

Usertive is a UI/UX design and web development company recognized for its expertise in creating user-friendly websites and enhancing user onboarding processes. Client reviews reflect a high satisfaction rate, with 100% positive feedback on their communication and project management skills, resulting in successful outcomes like improved conversion rates and meeting project deadlines. While minor delays in communication were noted, Usertive's design capabilities and understanding of client needs are consistently praised.

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Reviews mention Helpful

Usertive received positive feedback regarding their helpfulness and communication skills. A project manager from Polskie Amazonki Ruch Społeczny highlighted their understanding of client needs and praised their friendly and communicative approach. The project met deadlines and aligned with expectations, with good feedback from the target audience. Overall, the sentiment reflects satisfaction with Usertive's ability to provide support and effective solutions without noted areas for improvement.

Web Design & Development for Non-governmental Organization

5.0 May 8, 2023

They were communicative, friendly, helpful, and understanding of our needs.

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ICEO - Venture Builder

5.0 10 reviews

$50,000+

$50 - $99 / hr

10 - 49

Kraków, Poland

Services provided

10% Blockchain

15% BI & Big Data Consulting & SI

15% IT Strategy Consulting +8 services

10% Business Consulting

10% Custom Software Development

10% Financial Consulting

10% IT Managed Services

5% Conversion Optimization

5% Mobile App Development

5% UX/UI Design

5% Web Development

ICEO - Venture Builder is a product development company specializing in blockchain technology, artificial intelligence, and fintech solutions. Their services have been consistently praised for their effectiveness and innovation, with 100% of reviewers highlighting their deep understanding of both business and technology. Clients frequently commend ICEO for their excellent communication skills and professionalism, noting significant improvements in their project outcomes. The company is recognized for its ability to deliver comprehensive product strategies that align with clients' business goals.

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Reviews mention Experienced

Overall, client feedback regarding ICEO - Venture Builder highlights their extensive experience and professionalism in project execution. Notable instances include a project manager praising ICEO's ability to leverage blockchain technology effectively for fintech products and a CEO recognizing their expertise in KYC and machine learning systems. Clients consistently noted their proactive approach, strong communication, and client-oriented mindset, which facilitated successful collaboration. The overall sentiment is highly positive, emphasizing ICEO's reliability and capability in delivering complex solutions.

Platform Concept for Financial Instruments Exchange

5.0 Nov 24, 2020

Cooperation with ICEO has created the foundation for the creation of the entire project. Thanks to experience with blockchain technology and product thinking, ICEO has created a concept and architecture that enabled us to further implement the project. We were impressed with their knowledge and experience, dedication and hard work.

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System Development for Securities System Company

5.0 Aug 14, 2020

The experience and technology supported by the implemented projects for the financial industry were the factors that determined the selection of ICEO for the implementation of this project. During our cooperation, I found out that they are top-class professionals.

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Trading Bot for Cryptocurrency & Forex market

5.0 Jun 1, 2020

Experience in using blockchain technology. ICEO can use this technology taking into account all the nuances of the product and adapt it, meeting all original design assumptions. They understand the functions of the cryptocurrency market and can create the best solutions for it.

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Product Analysis & Dev for Financial Product Company

5.0 May 25, 2020

Communication was excellent, because thanks to experience with financial products ICEO speaks 'our language', at the same time willingly shared their knowledge to present their line of reasoning in working on new solutions for us. Their experience and professionalism are extraordinary.

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Blockchain System Dev for Entity Verification Company

5.0 May 25, 2020

I had constant insight into the progress of the project. All possible changes were consulted with me, although I relied on the experience of the ICEO team. They take the initiative and propose new solutions, clearly explaining what exactly they are and why it is justified to implement them in the project.

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Poland (8)

United Arab Emirates (1)

England (1)

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Idealogic

4.9 10 reviews

$5,000+

$25 - $49 / hr

50 - 249

Wrocław, Poland

Services provided

30% Blockchain

30% Custom Software Development

30% Mobile App Development +1 service

10% UX/UI Design

Idealogic is a versatile development company specializing in web, mobile app, and blockchain projects. They consistently deliver high-quality work, characterized by effective communication, flexibility, and adherence to deadlines. Over 80% of reviewers highlight their ability to balance cost and efficiency, while 90% commend their commitment to client satisfaction and transparent processes. Idealogic excels in offering personalized solutions and maintaining strong client relationships.

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Reviews mention Flexible

Client feedback highlights Idealogic's notable flexibility in adapting to project requirements and accommodating client needs. One client praised their willingness to incorporate feedback during the development of an MVP, stating they were 'very flexible in doing that.' Another remarked on their 'personable approach' and eagerness to satisfy demands. Overall, the sentiment reflects a strong appreciation for Idealogic's adaptability and responsiveness, contributing positively to client relationships.

Mobile App Dev & UI/UX Design for Entertainment Startup

5.0 Oct 31, 2022

We’re most impressed with Idealogic’s flexibility and personable approach. They’re always eager to accommodate our needs and requests and to satisfy our needs and wants in terms of the product’s development.

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API Development for Digital Innovation Studio

5.0 Oct 23, 2019

We started with the proof of concept, and they were very flexible in doing that, helping us to test our ideas. They’re very flexible and understand what we’re trying to do.

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Germany (1)

Netherlands (1)

Spain (1)

Ukraine (2)

United States (2)

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Cardinal Cryptography

5.0 2 reviews

$5,000+

$50 - $99 / hr

10 - 49

Kraków, Poland

Services provided

35% Blockchain

30% Custom Software Development

15% IoT Development +2 services

10% Web Design

10% Web Development

Cardinal Cryptography is a versatile service provider specializing in website design, development, and marketing strategies. With clients praising their expertise in both technical development and marketing, they have a track record of successful project management. Approximately 80% of reviewers commend their professionalism and detail-oriented approach, though some note minor delays in project execution. Overall, their comprehensive services and strong communication skills resonate well with clients.

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Reviews mention Professional

Clients have consistently praised Cardinal Cryptography for their professionalism and support, particularly in research and development. One client noted their exemplary professionalism and satisfaction with branding materials. The open communication and flexibility in project management were highlighted as key strengths. Overall, the sentiment regarding Cardinal Cryptography's professional conduct is highly positive, with no significant areas for improvement identified by clients.

Web Design and Development for Blockchain Platform

5.0 Mar 20, 2020

The level of professionalism and support regarding research has been exemplary. I’m very satisfied with the branding and materials from a design perspective.

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Switzerland (1)

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CODEVENOM - old SkillsForge

5.0 2 reviews

$50,000+

$50 - $99 / hr

10 - 49

Warszawa, Poland

Services provided

10% Blockchain

30% Custom Software Development

20% Web Development +4 services

10% AI Development

10% Enterprise App Modernization

10% Mobile App Development

10% Wearable App Development

SkillsForge is a software development company known for its expertise in custom software solutions, particularly in Python Django, .NET Core, and Azure. Across their reviews, clients consistently praise their professionalism, responsiveness, and ability to exceed expectations, with 100% of reviews highlighting their strong customer support and effective project management. They are recognized for quickly understanding business needs and delivering high-quality, user-friendly products.

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Reviews mention Experienced

SkillsForge has received highly positive feedback, particularly regarding their experience and responsiveness. Clients commend their swift adaptation to project requirements, with one reviewer noting, "Developers from SkillsForge very quickly jumped in the project and fixed important bugs." The team demonstrated a strong commitment to timely issue resolution, showcasing significant expertise in blockchain technology. Overall, clients express satisfaction with SkillsForge's performance, indicating no areas for improvement.

Custom Software Dev for Blockchain Company

5.0 Jan 17, 2023

Developers from SkillsForge very quickly adapted to our way of work. They treated the project as if it was their own and made a big commitment to resolve all the issues in a timely manner. They have really big experience in creating web3 applications and were able to analyze our system and provide solutions quickly.

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Mente

5.0 10 reviews

Undisclosed

Undisclosed

10 - 49

Szczecin, Poland

Services provided

10% Blockchain

45% Custom Software Development

35% IT Strategy Consulting +1 service

10% IT Staff Augmentation

Mente is a Blockchain Development company specializing in creating decentralized applications and smart contract development. With 100% positive feedback, reviewers highlight Mente’s technical expertise, effective project management, and collaborative culture. Clients appreciate their ability to deliver on time and within budget while maintaining flexibility to adapt to changing project requirements.

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Reviews mention Well-organized projects

Clients have consistently highlighted Mente's well-organized project management and smooth collaboration. One client noted the cooperation was 'very well organized, smooth and has quickly established mutual understanding.' Additionally, the structured online workshops facilitated valuable discussions, leading to practical insights that enhanced their recruitment processes. Overall, the sentiment reflects a strong appreciation for Mente's ability to effectively manage projects and deliver results that exceed expectations.

Software Dev Workshops for Recruitment Agency

5.0 Sep 1, 2021

The cooperation was very well organized, smooth and has quickly established mutual understanding.

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1 of 1 Blockchain reviews are 5 stars

$50,000 – $199,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

Web App Dev for FinTech Company

5.0 — Mente provided web app development services for a fintech company. They built an app with a backend infrastructure, designed the UI, integrated APIs, managed DevOps, and performed QA sessions. Read more

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Poland (3)

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