Home Blockchain Smart Contract Development Poland Krakow

Top Smart Contract Development Companies in Krakow

Ratings Updated: November 11, 2026

We verify reviews and evaluate companies so you can choose with confidence. We may earn a fee for some placements. Learn how Clutch ensures trust

All Companies Leaders Matrix Services Guide

6 Leaders 9 Contenders

Get A Quote

Clutch Guarantee (1)

15 Companies

Country: Poland

City: Krakow

Blockchain Focus: Smart Contract Development

List of the Top Krakow Smart Contract Developers

Sponsored

Peiko

5.0 169 reviews

Premier Verified Clutch Guarantee

$10,000+

$25 - $49 / hr

50 - 249

Kraków, Poland

Services provided

90% Blockchain

10% AI Development

Focus Areas

10% Smart Contract Development

50% Web3

20% Decentralized Finance +2

10% Ethereum Development

10% Initial Coin Offering Consulting

Peiko is a specialized Blockchain Development company, offering services such as Decentralized Application (DApp) Development, Smart Contract Development, and Distributed Ledger Technology. Their reviews, with over 90% positive feedback, highlight their comprehensive project management and strategic advisory role. Clients appreciate their precision in technical implementation and their ability to transform complex blockchain concepts into market-ready solutions.

See all 169 projects

32 of 33 Smart Contract Development reviews are 5 stars

2 new reviews for Smart Contract Development in past 6 months

$50,000 – $199,999 avg. project cost

Smart Contract Development Experience

Peiko generally receives positive feedback for their Smart Contract Development services, with a notable 85% of reviews highlighting expertise in blockchain technology and efficient project management. Clients commend their ability to deliver secure and user-friendly solutions, with many praising their transparency and adherence to deadlines. However, 15% of feedback mentions issues with project management and incomplete deliverables, indicating areas for improvement. Overall, Peiko's strengths lie in strong technical capabilities and collaborative communication, making them a preferred choice for complex projects.
Read Most Recent Review

Was this helpful?

Industry Experience

Peiko has garnered positive feedback across various industries, showcasing expertise in Information Technology, Financial Services, Advertising & Marketing, and others. They excel in developing secure and scalable solutions, particularly in blockchain and DeFi applications, with clients praising their project management skills and responsiveness. Notably, Peiko's work in fintech and healthcare highlights their ability to integrate complex functionalities while ensuring data privacy and compliance. Overall, their collaborative approach and technical proficiency make them a strong fit for partners in tech-driven sectors.
Read All Reviews

Select Industry to see insights

Information technology Software Financial services Retail Consulting Agriculture Telecommunications Education Healthcare Medical eCommerce Legal Cannabis Logistics & Supply Chain Social Networking Gaming Other Industry Media Gambling Real estate Design Advertising & marketing Business services Other industries Hospitality & leisure IT Services

Was this helpful?

1 of 1 Krakow-based review is 5 stars

$50,000 – $199,999 avg. project cost for Blockchain services in Krakow

Krakow-based Blockchain project highlight

DeFi Platform Dev for DevOps & Cloud Solutions Company
5.0 — Peiko developed a DeFi platform for a DevOps and cloud solutions company. The platform included staking, lending, and yield farming modules, smart contracts, liquidity pool mechanics, and real-time Read more
Read Similar Reviews

Was this helpful?

Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Local businesses commend Peiko for combining deep blockchain engineering with business-focused execution. Krakow clients describe end-to-end work on a Layer-2 protocol and a feature-rich DeFi platform, citing clear technical planning, timely communication, scalability, and successful deployment.
Read Local Reviews

Was this helpful?

View Profile Visit Website
Artkai

4.9 53 reviews

Premier Verified

$25,000+

$50 - $99 / hr

50 - 249

Gliwice, Poland

Services provided

10% Blockchain

20% UX/UI Design

20% Web Development +5

10% AI Development

10% Custom Software Development

10% Low/No Code Development

10% Mobile App Development

10% Web Design

Focus Areas

40% Smart Contract Development

35% Web3

25% Ethereum Development

Artkai is a Blockchain Development company specializing in front-end application coding and project design for decentralized systems. Their reviews highlight an impressive 100% satisfaction rate, emphasizing the team's skill, conscientiousness, and personal care. Artkai is praised for effective communication, timely delivery, and a strong cultural fit with clients.

See all 53 projects
Reviews mention Easy to reach
Clients generally express high satisfaction with Artkai's accessibility and communication. One client noted, "communication is perfect" and highlighted that Artkai is "always available to answer our questions," which underscores their approachability. Weekly video calls and the use of tools like Slack and Jira facilitate effective interactions. However, there were suggestions for improved clarity on the feasibility of ideas discussed during meetings, indicating a need for better alignment on project scopes.

Website Design & Dev for International Charity

5.0 Jul 5, 2018

Communicating with them was quite easy. They were flexible to any changes they needed to make. They were supportive and understanding.
Read Full Review

Website Revamp for Automotive Company

5.0 Oct 5, 2020

Also, despite the distance between both companies, communication is also perfect. They are always available to answer our questions.
Read Full Review

Read All Reviews

Was this helpful?
Industry Experience

Artkai has garnered positive feedback across diverse industries including Education, Healthcare, Financial Services, IT, and Arts & Entertainment. Clients commend their exceptional project management, design quality, and user experience focus. Notably, in the Financial Services sector, Artkai demonstrated significant expertise in e-banking solutions. In Education, they were praised for delivering effective software tools for academic institutions. Overall, Artkai is well-suited for projects requiring robust design and development capabilities, particularly in sectors where user experience is paramount.
Read All Reviews

Select Industry to see insights

Healthcare Financial services Engineering Business services Software Advertising & marketing Manufacturing Other Industry Wellness & Fitness Consulting Nonprofit Human Resources Food & Beverages Retail Arts, entertainment & music Information technology Automotive IT Services

Was this helpful?

Average Project Cost Breakdown

$50,000 to $199,999 (18) $10,000 to $49,000 (13) $200,000 to $999,999 (6) Less than $10,000 (2)

What Clients Have Said
Artkai consistently delivers good value for cost, with multiple clients highlighting their competitive pricing and high-quality output. Clients noted, "Good value for cost" and "very good quality for a fair price." The overall sentiment indicates that Artkai provides excellent services that align well with client budgets, often exceeding expectations in terms of quality and communication. However, some feedback suggests that while their pricing is reasonable, it may be on the higher side for certain markets.
Read All Reviews

Was this helpful?
View projects from:

United States (17) Ukraine (9) Sweden (3) Norway (3) Belgium (3) Estonia (3) England (3) Switzerland (2) Germany (1) India (1) Japan (1) Romania (1) Saudi Arabia (1) Georgia (1)

This provider is fluent in 2 languages:

English

Ukrainian

This provider is available in 1 time zone:

Eastern European Time (EET)

Was this helpful?
View Profile Visit Website
Rumble Fish

4.6 9 reviews

$25,000+

$50 - $99 / hr

10 - 49

Kraków, Poland

Services provided

70% Blockchain

20% Custom Software Development

5% Cloud Consulting & SI +1

5% Mobile App Development

Focus Areas

30% Smart Contract Development

35% Ethereum Development

35% Initial Coin Offering Consulting

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.

See all 9 projects
Reviews mention Flexible
Clients have praised Rumble Fish for their flexibility, noting a collaborative approach to project management that adapts to evolving needs. One client highlighted their willingness to accommodate different structures and suggested improvements, creating an environment akin to an internal team. However, there is a recommendation for clients to explicitly request time for initial research to ensure alignment on project direction. Overall, the sentiment regarding flexibility is positive, with clients appreciating the adaptability and support provided throughout the project.

Quiet

5.0 Feb 20, 2023

Rumblefish has been very flexible in the sense that they're open to whatever structures make the most sense, while also suggesting changes they think will help. It's like working with a good internal team in that it's not rigid, but everyone is working to improve the process as things change. We use standard tools like Slack (and now our own tool Quiet) with regularly scheduled calls for communication.
Read Full Review

Read All Reviews

Was this helpful?
Industry Experience

Rumble Fish has demonstrated expertise across various industries, including financial services, where they aided in developing MVPs for fintech platforms, and business services, enhancing CRM solutions. They excel in technical proficiency, especially with React Native, and their project management is generally effective, though communication inconsistencies were noted. In arts and entertainment, they successfully integrated technology into game development. Overall, Rumble Fish's strengths lie in their adaptability and technical mentorship, making them a suitable partner for tech-driven projects in fintech and business services.
Read All Reviews

Select Industry to see insights

Software Arts, entertainment & music Business services Other Industry Financial services IT Services

Was this helpful?

View projects from:

United States (6) Oman (1) Poland (1) England (1)

Was this helpful?

Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Local clients describe Rumble Fish as a knowledgeable React Native partner, building an Android and iOS app with native functionality and supporting technologies. They cite strong execution on a challenging messaging problem, dependable timelines, and a seamless working relationship.
Read Local Reviews

Was this helpful?
View Profile

Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.

Get My Matches

Rite NRG

4.9 16 reviews

$25,000+

$50 - $99 / hr

50 - 249

Kraków, Poland

Services provided

30% Blockchain

60% IT Managed Services

10% Custom Software Development

Focus Areas

10% Smart Contract Development

90% Web3

Rite NRG is a Blockchain Development company specializing in Smart Contract Development and Blockchain Solutions. Their reviews highlight a strong emphasis on collaboration, problem-solving, and delivering projects on time. With 100% positive feedback, clients commend their deep knowledge, proactive approach, and the ability to enhance teams' understanding of blockchain technology.

See all 16 projects

0 of 1 Smart Contract Development reviews is 5 stars

$50,000 – $199,999 avg. project cost

Smart Contract Development Experience

Rite NRG demonstrates strong expertise in Smart Contract Development, with 100% of reviewers highlighting their deep understanding of blockchain technology and exceptional problem-solving skills. Clients commend their timely project delivery and responsive communication, with 100% satisfaction on meeting expectations. The collaborative approach and willingness to share knowledge stood out, fostering innovation and effective solutions. Overall, feedback is overwhelmingly positive, establishing Rite NRG as a reliable partner for complex blockchain projects.
Read Most Recent Review

Was this helpful?

View projects from:

Poland (6) Australia (1) Belgium (1) Denmark (1) Germany (1) Ireland (1) Sweden (1) United Arab Emirates (1) England (1)

Was this helpful?

Kraków, Poland

7 Wadowicka
Kraków, Poland 30-363
31 - 40

+48 660 577 898

See All Locations (3)

Was this helpful?

Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

4.8

Willing to Refer

5.0

Local businesses describe Rite NRG as a flexible technology partner, providing both frontend development for public-sector digital government work and manual QA for iGaming releases. Clients emphasize technical fit, collaborative team integration, and support for complex, evolving project needs.
Read Local Reviews

Was this helpful?

View Profile
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

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

Focus Areas

60% Smart Contract Development

30% Ethereum Development

10% Initial Coin Offering Consulting

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.

See all 10 projects

Industry Experience

ICEO - Venture Builder has garnered positive feedback across several industries, particularly in Retail, Financial Services, Arts, Entertainment & Music, Information Technology, and Legal sectors. Their expertise in developing scalable platforms and implementing advanced technologies like blockchain and machine learning has been highlighted. Clients appreciate ICEO's strong communication, project management, and ability to innovate, leading to improved application stability, efficient document handling, and enhanced user experiences. Overall, they are well-suited for projects in fintech, e-commerce, and digital transformation.
Read All Reviews

Select Industry to see insights

Business services Financial services Arts, entertainment & music Retail IT Services Legal Information technology

Was this helpful?

Average Project Cost Breakdown

$50,000 to $199,999 (6) $10,000 to $49,000 (1) $200,000 to $999,999 (1)

What Clients Have Said
Client feedback on ICEO - Venture Builder highlights a strong sentiment regarding value for money. Many reviews emphasize cost savings, such as a client noting a reduction in infrastructure costs to less than half of the initial expense. Clients appreciate ICEO's ability to deliver high-quality services that meet complex project requirements, often exceeding expectations. Overall, clients view ICEO as a cost-effective partner that provides significant value through expert solutions and efficient project management.
Read All Reviews

Was this helpful?

View projects from:

Poland (8) United Arab Emirates (1) England (1)

Was this helpful?

Kraków, Poland

Smoleńsk 23
Kraków, Poland 31-108
41 - 49

See All Locations (2)

Was this helpful?

View Profile
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

20% E-Commerce Development

10% AR/VR Development

10% Mobile App Development

Focus Areas

20% Smart Contract Development

40% Ethereum Development

40% Web3

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.

See all 1 projects

Industry Experience

Navarra Lab has demonstrated significant expertise in the software industry, particularly in web development utilizing React.js. Clients have praised their exceptional project management, commitment to timelines, and the ability to deliver enhanced user experiences. The overall sentiment is highly positive, with notable strengths in agile methodologies and seamless communication tools like Slack and Jira. Potential clients in the software sector seeking reliable and knowledgeable development teams may find Navarra Lab to be a suitable partner.
Read All Reviews

Select Industry to see insights

Software

Was this helpful?

Average Project Cost Breakdown

$10,000 to $49,000 (1)

What Clients Have Said
Clients have praised Navarra Lab for delivering exceptional value for money, particularly in the context of their expertise and efficient project management. One client noted the significant improvement in performance and user experience of their website after the redesign, highlighting the team's knowledge and commitment. Overall sentiment indicates that clients feel the investment in Navarra Lab's services was justified, with no reported areas for improvement.
Read All Reviews

Was this helpful?

Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Katowice-based clients praise Navarra Lab’s React.js expertise, citing a website rewrite that improved performance, reliability, and user experience. They also highlight the team’s knowledgeable developers and efficient, agile project management throughout the transition.
Read Local Reviews

Was this helpful?

View Profile
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

10% Web Design

10% Web Development

Focus Areas

50% Smart Contract Development

50% Ethereum Development

Cardinal Cryptography is a versatile company specializing in web development, design, and marketing services. Clients commend their detailed project management and impressive technical knowledge, with over 90% positive feedback citing their professionalism and expertise in both development and marketing. However, a minor critique mentioned a slight delay in the website launch process. Overall, they are recognized for their dedication and high-quality deliverables.

See all 2 projects

Industry Experience

Cardinal Cryptography demonstrates strong expertise in the Engineering and Information Technology industries. In Engineering, they successfully redesigned a website, enhancing SEO and client engagement, receiving positive feedback for their design and technical support. In Information Technology, they provided comprehensive service for a blockchain platform, excelling in research, branding, and software development, culminating in the acceptance of a peer-reviewed paper. Overall, their strengths lie in web development, marketing, and technical research, making them a valuable partner for clients in these sectors.
Read All Reviews

Select Industry to see insights

Engineering Information technology

Was this helpful?

Average Project Cost Breakdown

Less than $10,000 (1) $200,000 to $999,999 (1)

What Clients Have Said
Client feedback on Cardinal Cryptography highlights a generally positive sentiment regarding their cost and value for money. One client noted satisfaction with a project valued at approximately $1,300, stating they were happy with the outcome despite a limited budget. Conversely, another client invested around $500,000 and praised the professionalism and expertise, emphasizing that the quality of work justified the cost. Overall, clients appreciate the balance of affordability and high-quality results.
Read All Reviews

Was this helpful?

View projects from:

Poland (1) Switzerland (1)

Was this helpful?

Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

4.0

Willing to Refer

4.0

Local businesses in Krakow value Cardinal Cryptography’s ability to combine custom website development with SEO fundamentals and marketing guidance. Clients emphasize the detailed, collaborative process and effective handling of project changes, reporting a more attractive site and an initial increase in visits, though longer-term search results remained uncertain.
Read Local Reviews

Was this helpful?

View Profile
Erlang Solutions

Not yet reviewed

$10,000+

Undisclosed

50 - 249

Kraków, Poland

Services provided

10% Blockchain

40% Custom Software Development

20% IT Strategy Consulting +4

10% IoT Development

10% Other Application Development

5% Computer Engineering

5% Mobile App Development

Focus Areas

50% Smart Contract Development

50% Ethereum Development

Erlang Solutions is a software development company. The London, England-based team specializes in Custom Software Development and IT strategy consulting.
Read more

Kraków, Poland

Batorego 25
Kraków, Poland 33-332
21 - 30

+44 (0) 20 7456 1020

See All Locations (5)

Was this helpful?

View Profile
Nivalit

Not yet reviewed

$10,000+

$25 - $49 / hr

10 - 49

Kraków, Poland

Services provided

10% Blockchain

40% Custom Software Development

25% AI Development +2

20% Web Development

5% Mobile App Development

Focus Areas

20% Smart Contract Development

60% Ethereum Development

20% Web3

Nivalit is a Kraków, Poland-based software development company. The team provides Custom Software Development and Artificial Intelligence.
Read more

View Profile
Arteïa

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Kraków, Poland

Services provided

40% Blockchain

20% AI Development

20% BI & Big Data Consulting & SI +1

20% Blockchain Marketing

Focus Areas

50% Smart Contract Development

50% Initial Coin Offering Consulting

Arteïa, a small Blockchain company, is headquartered in Kraków, Poland and Bruxelles, Belgium. Their services include Blockchain and BI & big data consulting & SI.
Read more

View Profile
FinTaxLegal

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Kraków, Poland

Services provided

20% Blockchain

30% Business Consulting

20% Accounting +2

20% Banking Law

10% Financial Consulting

Focus Areas

100% Smart Contract Development

FinTaxLegal is a Business Consulting company. Founded in 2018, the agency provides Business Consulting and Blockchain.
Read more

View Profile
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

10% AR/VR Development

5% Other Application Development

Focus Areas

30% Smart Contract Development

50% Ethereum Development

20% Initial Coin Offering Consulting

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.

See all 3 projects
Reviews mention Communicative
Clients consistently highlight 3dev's excellent communication skills, noting a smooth workflow and effective remote interactions. One client remarked on the impressive number of innovative ideas generated by the 3dev team, emphasizing their proactive approach. Furthermore, the use of a kanban-based management system was praised for its effectiveness, contributing to timely project delivery. Overall, the sentiment regarding communication is overwhelmingly positive, reflecting a strong partnership and collaborative spirit.

Toolset Dev for Trading Platform

5.0 Oct 12, 2022

The workflow was smooth, we were amazed how many good ideas come from their side. The communication was remote and ran without any problems. They had their own kanban-based management workflow which we found very effective.
Read Full Review

Read All Reviews

Was this helpful?
Average Project Cost Breakdown

$10,000 to $49,000 (2) $50,000 to $199,999 (1)

What Clients Have Said
Clients have consistently praised 3dev for delivering exceptional value for money, often noting their competitive pricing and commitment to project success. For instance, one client highlighted that 3dev offered the 'most reasonable offer' while meeting tight deadlines. Another mentioned their ability to enhance project outcomes significantly, thereby justifying costs. Overall sentiment reflects satisfaction with the quality of work relative to investment, with no clients reporting concerns regarding pricing or value.
Read All Reviews

Was this helpful?

View projects from:

Poland (2) United Arab Emirates (1)

Was this helpful?

Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Reviewers in Krakow emphasize 3dev’s experience with blockchain applications and investment platforms, citing smart-contract validation, token staking, DAO creation, and website improvements. They say the team adapted quickly, offered useful technical input, and communicated reliably throughout the work.
Read Local Reviews

Was this helpful?
View Profile
Atende S.A.

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Mysłowice, Poland

Services provided

25% Blockchain

25% AI Development

25% Blockchain Marketing +1

25% Cybersecurity

Focus Areas

50% Smart Contract Development

50% Ethereum Development

Atende S.A. Is a Warszawa, Poland-based Cybersecurity company. The team provides Cybersecurity and Artificial Intelligence.
Read more

Mysłowice, Poland

st. Obrzezna Zachodnia 37
Mysłowice, Poland 41-400
21 - 30

+48.32.200.0300

See All Locations (4)

Was this helpful?

View Profile
M8B

Not yet reviewed

$5,000+

$50 - $99 / hr

2 - 9

Katowice, Poland

Services provided

70% Blockchain

20% Web Development

5% Application Testing +1

5% Custom Software Development

Focus Areas

20% Smart Contract Development

80% Ethereum Development

Blockchain company M8B is located in Katowice, Poland. They specialize in Blockchain and Web Development and were founded in 2018.
Read more

View Profile
LEOCODE

Not yet reviewed

$10,000+

$50 - $99 / hr

10 - 49

Katowice, Poland

Services provided

10% Blockchain

30% Custom Software Development

20% Web Development +6

10% Application Management & Support

10% Mobile App Development

5% AI Development

5% Application Testing

5% Enterprise App Modernization

5% IT Strategy Consulting

Focus Areas

50% Smart Contract Development

50% Ethereum Development

Headquartered in Katowice, Poland and Whittlesey, England, LEOCODE is a custom software development company. Their services include Custom Software Development and Web Development.
Read more

View Profile

Tell us what you need — we’ll match you with top agencies and their real-time quotes in minutes.

Get My Quotes

Look for Verified Providers

Clutch conducts a rigorous verification process, confirming a provider’s business registration, legal history, credit background, and client feedback to be legitimate, so you can trust their ability to deliver. Learn more

Hire with confidence

Clutch Certification badges show the service areas a provider specializes in, backed by 3+ verified, high-rated reviews in the last 24 months. Learn more

Why Trust Clutch

At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.

Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.

We evaluate service providers using a structured methodology that combines:

In-depth client interviews and ratings
Comprehensive project details
Market presence
Portfolio examples and industry recognition

This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.

Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.

We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.

Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.

Ability to deliver

Focus

Proven

Market Leaders

Emerging

Niche

Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 Peiko

2 Rumble Fish

3 Rite NRG

4 ICEO - Venture Builder

5 Navarra Lab

6 Cardinal Cryptography

A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.

By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More

Focus (x-axis)

Focus accounts for a company’s specialization within a certain service.

Ability to Deliver (y-axis)

Ability to Deliver considers three criteria:

Client feedback and reviews
Work experience and previous projects
Market presence and reputation in the industry

List of the Top 6 Krakow Smart Contract Developers

Peiko

$10,000+

$25 - $49 / hr

50 - 249

Kraków, Poland

Ability to deliver

35/40.0

20/20 Reviews

10/10 Clients & Experience

5/10 Market Presence

Service focus

90% Blockchain

10% Smart Contract Development

10% Other

View Profile Visit Website
Rumble Fish

$25,000+

$50 - $99 / hr

10 - 49

Kraków, Poland

Ability to deliver

29.5/40.0

15/20 Reviews

10/10 Clients & Experience

4.5/10 Market Presence

Service focus

70% Blockchain

30% Smart Contract Development

30% Other

View Profile Visit Website
Rite NRG

$25,000+

$50 - $99 / hr

50 - 249

Kraków, Poland

Ability to deliver

30.2/40.0

16.8/20 Reviews

9.5/10 Clients & Experience

3.9/10 Market Presence

Service focus

30% Blockchain

10% Smart Contract Development

70% Other

View Profile Visit Website
ICEO - Venture Builder

$50,000+

$50 - $99 / hr

10 - 49

Kraków, Poland

Ability to deliver

25.8/40.0

16.2/20 Reviews

5.6/10 Clients & Experience

4/10 Market Presence

Service focus

10% Blockchain

60% Smart Contract Development

90% Other

View Profile Visit Website
Navarra Lab

$5,000+

$50 - $99 / hr

10 - 49

Kraków, Poland

Ability to deliver

29.5/40.0

16.2/20 Reviews

9.6/10 Clients & Experience

3.7/10 Market Presence

Service focus

10% Blockchain

20% Smart Contract Development

90% Other

View Profile Visit Website
Cardinal Cryptography

$5,000+

$50 - $99 / hr

10 - 49

Kraków, Poland

Ability to deliver

20.5/40.0

16.2/20 Reviews

0.6/10 Clients & Experience

3.7/10 Market Presence

Service focus

35% Blockchain

50% Smart Contract Development

65% Other

View Profile Visit Website
Erlang Solutions

$10,000+

Undisclosed

50 - 249

Kraków, Poland

Ability to deliver

9.2/40.0

0/20 Reviews

4.8/10 Clients & Experience

4.5/10 Market Presence

Service focus

10% Blockchain

50% Smart Contract Development

90% Other

View Profile Visit Website
Nivalit

$10,000+

$25 - $49 / hr

10 - 49

Kraków, Poland

Ability to deliver

8.1/40.0

0/20 Reviews

4.5/10 Clients & Experience

3.7/10 Market Presence

Service focus

10% Blockchain

20% Smart Contract Development

90% Other

View Profile Visit Website
Arteïa

Undisclosed

Undisclosed

10 - 49

Kraków, Poland

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

40% Blockchain

50% Smart Contract Development

60% Other

View Profile Visit Website
FinTaxLegal

Undisclosed

Undisclosed

10 - 49

Kraków, Poland

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

20% Blockchain

100% Smart Contract Development

80% Other

View Profile Visit Website
3dev

$5,000+

$25 - $49 / hr

2 - 9

Bielsko-Biała, Poland

Ability to deliver

26.9/40.0

16.2/20 Reviews

7/10 Clients & Experience

3.7/10 Market Presence

Service focus

50% Blockchain

30% Smart Contract Development

50% Other

View Profile Visit Website
Atende S.A.

Undisclosed

Undisclosed

50 - 249

Mysłowice, Poland

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

25% Blockchain

50% Smart Contract Development

75% Other

View Profile Visit Website
Artkai

$25,000+

$50 - $99 / hr

50 - 249

Gliwice, Poland

Ability to deliver

33.7/40.0

18.6/20 Reviews

10/10 Clients & Experience

5.1/10 Market Presence

Service focus

10% Blockchain

40% Smart Contract Development

90% Other

View Profile Visit Website
M8B

$5,000+

$50 - $99 / hr

2 - 9

Katowice, Poland

Ability to deliver

3.4/40.0

0/20 Reviews

0/10 Clients & Experience

3.4/10 Market Presence

Service focus

70% Blockchain

20% Smart Contract Development

30% Other

View Profile Visit Website
LEOCODE

$10,000+

$50 - $99 / hr

10 - 49

Katowice, Poland

Ability to deliver

4.1/40.0

0/20 Reviews

0/10 Clients & Experience

4.1/10 Market Presence

Service focus

10% Blockchain

50% Smart Contract Development

90% Other

View Profile Visit Website

Similar Categories

Related Services

Web Developers in Krakow Software Developers in Krakow Mobile App Development in Krakow eCommerce in Krakow Artificial Intelligence in Krakow

Specialties

Decentralized Finance Ethereum Initial Coin Offering Consulting Metaverse Development Smart Contract Auditing Smart Contract Development Tokenization web3

Get quotes from the 5 best-fit agencies for your project—in 4 minutes or less.

Top Smart Contract Development Companies in Krakow

List of the Top Krakow Smart Contract Developers

Smart Contract Development Experience

Industry Experience

Select Industry to see insights

DeFi Platform Dev for DevOps & Cloud Solutions Company

Reviews mention Easy to reach

Website Design & Dev for International Charity

Website Revamp for Automotive Company

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Flexible

Quiet

Industry Experience

Select Industry to see insights

Smart Contract Development Experience

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Communicative

Toolset Dev for Trading Platform

Average Project Cost Breakdown

What Clients Have Said

Tell us what you need — we’ll match you with top agencies and their real-time quotes in minutes.

Why Trust Clutch

List of the Top 6 Krakow Smart Contract Developers

Similar Categories

Related Services

Specialties