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Top Blockchain Companies & Developers in Sofia

Ratings Updated: February 11, 2026
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9 Leaders 15 Contenders

27 Companies

Country: Bulgaria
City: Sofia

List of the Top Sofia Blockchain Development Companies

  • Featured

    What are Featured Providers?

    RedDuck Logotype

    RedDuck

    5.0 13 reviews
    Verified
    $10,000+
    $50 - $99 / hr
    10 - 49
    Serves Sofia, Bulgaria

    Services provided

    100% Blockchain

    RedDuck is a blockchain development company specializing in delivering comprehensive blockchain solutions, including smart contract development, distributed ledger technology, and decentralized application (DApp) development. Clients consistently praise their technical precision, proactive communication, and ability to deliver projects on time, with a 100% satisfaction rate highlighted across multiple reviews. Their expertise in blockchain technology and strategic product development is noteworthy.

    See all 13 projects

    Reviews mention Exceeds expectations

    Clients have consistently reported that RedDuck exceeds expectations, particularly in their ability to manage complex, full-cycle development projects with technical precision and creative vision. One CEO noted their proactive approach and strong blockchain expertise, which facilitated the timely launch of a full-featured DeFi platform. The project management was highlighted as exemplary, with clear communication and adaptability to evolving requirements, resulting in a high level of professionalism and satisfaction with the overall outcome.
    • Blockchain Development for FinTech Company
      5.0 Apr 23, 2025

      RedDuck demonstrated excellent project management throughout the engagement. They provided regular progress updates, stuck closely to the development timeline, and were transparent about any adjustments. Communication was clear and responsive — our feedback was always taken into account, and changes were implemented quickly. Overall, they showed a high level of professionalism and adaptability to our evolving requirements. Their team was proactive, detail-oriented, and genuinely invested in the success of our platform. Given the scale and complexity of the project, I didn't personally encounter any issues or areas that stood out as needing improvement. RedDuck handled everything with professionalism, and their structured approach left little room for concern. That said, as with any long-term development partnership, there’s always space to evolve and refine internal processes over time — but in my case, the collaboration was smooth and exceeded expectations.

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    5 of 5 Blockchain reviews are 5 stars
    2 new reviews for Blockchain in past 6 months
    $50,000 – $199,999 avg. project cost

    Blockchain PROJECT HIGHLIGHT

    Blockchain Development for FinTech Company

    5.0 — RedDuck developed a DeFi platform for a financial technology company. The team built the client's smart contracts, backend infrastructure, frontend app, user dashboard, landing website, and a Read more
    Read 5 Reviews

    Average Project Cost Breakdown

    $50,000 to $199,999 (5) $10,000 to $49,000 (1)

    What Clients Have Said

    Clients consistently praised RedDuck for offering excellent value for money and fitting within their budgetary constraints. One client noted their 'good value for cost' and another highlighted that their pricing 'fit our budget.' Overall sentiment reflects satisfaction with the company's pricing relative to the quality of services provided, with multiple reviews emphasizing timely delivery and effective project management as key aspects of their positive experience.
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    More responsive than most other service providers

    RedDuck is very responsive

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  • LimeChain Logotype

    4.9 6 reviews
    $5,000+
    $50 - $99 / hr
    50 - 249
    Sofia, Bulgaria

    Services provided

    70% Blockchain
    10% Custom Software Development
    10% IT Strategy Consulting +1 service
    10% Mobile App Development

    LimeChain is a Blockchain Development company offering services such as Smart Contract Development and Decentralized System Development. The company receives positive feedback for its timely delivery and high-quality solutions, with 100% of reviewers appreciating their proactive approach and strong talent. They are noted for integrating complex blockchain technology seamlessly and aligning with clients' long-term goals.

    See all 6 projects

    Reviews mention Great team

    Clients have consistently praised LimeChain for their exceptional team quality and organization. One notable feedback highlights their integrated approach, where they deliver on time and maintain high standards. The head of tokenization at Coinbase noted the impressive talent and proactive nature of LimeChain's team. Overall, the sentiment reflects a strong appreciation for their collaborative culture, timely delivery, and effective project management, despite minor communication challenges with some team members.
    • Design, Front- & Backend Dev for Cryptocurrency Company
      4.5 Jan 27, 2026

      The quality of the talent and the organization of the team are impressive. LimeChain is also timely, security- and quality-aware, and proactive in their internal review.

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    1 of 2 Blockchain reviews are 5 stars
    2 new reviews for Blockchain in past 6 months
    $200,000 – $999,999 avg. project cost

    Blockchain PROJECT HIGHLIGHT

    Blockchain Dev & Design for Web3 Gaming Company

    5.0 — LimeChain developed a staking platform for a web3 gaming company. The team created the UX/UI design, built the backend, developed smart contracts on the Ronin chain, and built a dual-token reward Read more
    Read 2 Reviews

    Average Project Cost Breakdown

    $50,000 to $199,999 (2) $200,000 to $999,999 (1)

    What Clients Have Said

    Clients consistently highlight LimeChain's competitive pricing and strong value for money. One client noted that they chose LimeChain due to their 'good value for cost' and 'super-responsive' nature during the RFQ process. Another mentioned that LimeChain delivered on time and within budget, which is described as 'not normal' in the industry. Overall, the sentiment is positive, with clients appreciating the balance of quality service and reasonable pricing.
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    Switzerland (2) United States (2) Austria (1) Bulgaria (1)
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  • Quanterall Logotype

    5.0 3 reviews
    $50,000+
    $50 - $99 / hr
    50 - 249
    Sofia, Bulgaria

    Services provided

    30% Blockchain
    30% Custom Software Development
    15% IoT Development +2 services
    15% Web Development
    10% Mobile App Development

    Quanterall is a software development company specializing in blockchain, smart contracts, and financial transaction systems. They are praised for their technical expertise, effective communication, and professionalism, with 100% of reviews mentioning high-quality deliverables and strong project management. Clients value Quanterall's flexibility and ability to integrate advanced technologies into complex projects efficiently.

    See all 3 projects

    Industry Experience

    Quanterall has demonstrated expertise across multiple industries, notably IT Services, Financial Services, and Logistics & Supply Chain. Clients commend their strong programming capabilities in Haskell and Erlang, effective testing practices, and flexibility in project management. The overall sentiment is highly positive, with clients noting Quanterall's ability to deliver high-quality solutions tailored to specific industry needs, particularly in developing financial smart contracts and integrated software solutions.

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    IT Services Financial services Logistics & Supply Chain

    Average Project Cost Breakdown

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

    What Clients Have Said

    Quanterall is noted for delivering high-quality solutions that provide good value for money. Clients expressed satisfaction with the cost-effectiveness of their services, with one reviewer highlighting the company's ability to enhance existing systems efficiently. Another emphasized the strong relationship built through talent development, which contributed to the perceived value. Overall, feedback indicates that clients found Quanterall's pricing aligned with the quality of work delivered, reinforcing a positive sentiment regarding their cost and value proposition.
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    Bulgaria (1) Singapore (1) England (1)

    Sofia, Bulgaria

    Boulevard Tsarigradsko Shose 111, Sofia Tech Park, Labs Building
    Sofia, Bulgaria 1784

    76 - 100

    +359 879 411 007

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  • EntroSolutions Logotype

    4.9 7 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    10% Blockchain
    40% Custom Software Development
    20% E-Commerce Development +3 services
    10% IT Strategy Consulting
    10% Web Design
    10% Web Development

    EntroSolutions is a versatile software development company with a strong focus on web development, custom software solutions, and technical optimization. Across their reviews, 100% of clients commend their professional knowledge, flexibility, and effective communication, with a substantial number highlighting their ability to tailor solutions and adapt to client needs. Their project management is often praised, with timely delivery and a client-centric approach consistently noted.

    See all 7 projects

    Reviews mention Openness

    Clients have praised EntroSolutions for their openness and flexibility throughout projects. One client noted, 'Our communication was very open, friendly and productive,' emphasizing the company's responsive approach. Another highlighted the team's 'open-mindedness and confidence,' stating that nothing felt out of scope. Overall, the sentiment reflects a strong appreciation for EntroSolutions' willingness to engage in honest discussions and adapt to client needs, contributing to a collaborative working relationship.
    • Web Design, WordPress Update & SEO for Medical Center
      5.0 Mar 25, 2024

      Our project manager Martin was always available for a chat or a virtual call when needed. All my queries and action items listed in mails in the course of our work were processed in due time and to my fullest satisfaction. Our communication was very open, friendly and productive throughout the project.

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    • Software Dev, Prototyping, & Refactoring for E-Learning Firm
      5.0 Nov 10, 2020

      We have honest conversations, and they’re ready and willing to step in when things go wrong, which is an important part of project management. EntroSolutions’ open-mindedness and confidence in the abilities of the team make them special.

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    Industry Experience

    EntroSolutions has demonstrated expertise across various industries, including Medical, IT Services, Retail, Financial Services, Advertising & Marketing, and Education. Feedback highlights their strengths in website development, SEO, and custom software solutions, with notable client satisfaction regarding communication, professionalism, and timely delivery. Overall sentiment is positive across industries, indicating a strong fit for clients seeking robust digital solutions, particularly in sectors requiring tailored web development and technical support.

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    Medical IT Services Retail Financial services Advertising & marketing Education

    Average Project Cost Breakdown

    $10,000 to $49,000 (3) Less than $10,000 (2) $50,000 to $199,999 (1) $200,000 to $999,999 (1)

    What Clients Have Said

    Clients consistently praise EntroSolutions for delivering high-quality work at competitive prices, highlighting their expertise and flexibility. One client noted, 'They were a combination of a good price and expert knowledge!' Another remarked on their ability to provide comprehensive solutions despite budgetary constraints, stating, 'We generally spend $40,000–$50,000 with EntroSolutions per year.' Overall, the sentiment reflects strong satisfaction with the value provided relative to cost.
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    Bulgaria (3) Germany (2) England (2)
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  • hack bg - Blockchain & DLT Solutions Logotype

    5.0 1 review
    $5,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    80% Blockchain
    10% Custom Software Development
    5% IT Strategy Consulting +1 service
    5% Other Application Development

    hack bg - Blockchain & DLT Solutions is a specialized firm focusing on blockchain and distributed ledger technology services, particularly in developing secure smart contracts and web3 integrations. Reviews highlight their exceptional project management and high-quality deliverables, with 100% of feedback emphasizing their effective communication and ability to meet deadlines consistently. The team's adaptability and direct client interaction are also notably praised.

    See all 1 projects

    Industry Experience

    Hack bg - Blockchain & DLT Solutions has demonstrated expertise in the Arts, Entertainment, and Music industry, particularly in developing NFT projects. Clients praise their effective communication, timely delivery, and high-quality work, noting robust security measures in smart contracts. The feedback suggests they excel in collaborative environments and adapt well to client needs. Overall, their impact in the NFT space is seen as highly positive, making them a suitable partner for projects requiring blockchain technology and web3 solutions.

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    Select Industry to see insights

    Arts, entertainment & music

    Average Project Cost Breakdown

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

    What Clients Have Said

    Clients have praised hack bg - Blockchain & DLT Solutions for delivering high-quality work on time, indicating strong value for money. One client noted that the team provided exceptional service and security in their blockchain project, leading to a flawless launch. However, there was feedback regarding the initial scope management, suggesting that clearer communication about limitations could enhance project efficiency. Overall, the sentiment reflects satisfaction with the company's cost-effectiveness and the quality of their solutions.
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    Review Rating from Clients

    5.0/5.0

    Quality

    5.0

    Schedule

    4.5

    Cost

    4.0

    Willing to Refer

    5.0

    Based in Sofia, hack bg excels in blockchain and DLT services, creating secure NFT smart contracts and web interfaces. Clients commend their consistent high standards, project transparency, and collaborative approach, successfully handling intricate blockchain projects with precision and reliability.
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  • SoCyber Logotype

    5.0 13 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    10% Blockchain
    10% Application Management & Support
    10% Application Testing +7 services
    10% BI & Big Data Consulting & SI
    10% Corporate Training & Coaching
    10% Cybersecurity
    10% Graphic Design
    10% Public Relations
    10% Social Media Marketing
    10% Web Development

    SoCyber is a cybersecurity company specializing in penetration testing, security audits, and vulnerability assessments. The reviews highlight their professionalism and effective project management, with over 90% of reviews praising their timely delivery and customer-centric approach. Clients appreciate their ability to communicate complex technical information clearly and their commitment to providing tailored solutions, with many noting their proactive collaboration and quality service.

    See all 13 projects

    Reviews mention Communicative

    The feedback regarding SoCyber's communication is overwhelmingly positive. Clients emphasized their responsiveness and attentiveness, with one noting, 'their team was readily available and provided prompt, thorough responses.' Another client highlighted the 'everyday communication' that facilitated smooth project execution. SoCyber's proactive approach to keeping clients informed and their commitment to transparency fostered a collaborative environment, making clients feel valued. Overall, the sentiment reflects a high level of satisfaction with SoCyber's communicative efforts throughout their projects.
    • Cybersecurity Services for Software Development Company
      5.0 Aug 13, 2023

      Whenever we had questions or needed clarification on any aspect of the project, their team was readily available and provided prompt, thorough responses. Their willingness to adapt to our specific requirements and their proactive approach to keeping us informed contributed to a smooth collaboration. Moreover, the open lines of communication and regular updates ensured that we were always aligned on the project's progress and any emerging needs.

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    • Cybersecurity Services for Management Consulting Company
      5.0 Nov 15, 2021

      We had everyday communication, and everything was running as scheduled.

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    • Cybersecurity for IT Services Company
      5.0 Nov 15, 2021

      The workflow between TechnoLogica and SoCyber team was very effective. Since the beginning of our joint activities, we had a very clear scope and communication which helped us a lot. The project was fulfilled without stress and problems.

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    Industry Experience

    SoCyber has demonstrated strong expertise in the information technology, software, consulting, and financial services sectors. Clients consistently praise their professionalism, efficient project management, and the ability to identify and remediate security vulnerabilities effectively. Positive feedback highlights their thorough penetration testing, regulatory compliance support, and strong communication. Overall, SoCyber is well-suited for companies in these industries, particularly those seeking to enhance cybersecurity measures and ensure compliance with industry standards.

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    Information technology Software Consulting Financial services IT Services

    Average Project Cost Breakdown

    Less than $10,000 (11)

    What Clients Have Said

    Clients consistently highlight SoCyber's competitive pricing and strong value for money. For instance, a CTO noted that SoCyber's pricing fit their budget while ensuring a good value for the cost. Similarly, another client appreciated the range of service options from basic to complex, allowing for flexibility in expenditures. Overall, sentiment towards SoCyber's cost-effectiveness is positive, with many clients expressing satisfaction with the quality of services received relative to the investment made.
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    Review Rating from Clients

    5.0/5.0

    Quality

    5.0

    Schedule

    5.0

    Cost

    5.0

    Willing to Refer

    5.0

    Clients in Sofia emphasize SoCyber's strong technical skills in vulnerability assessments, penetration testing, and cybersecurity consulting. Their professional, responsive team consistently delivers detailed reports and actionable insights, successfully managing complex projects in highly regulated environments with a focus on quality and efficiency.
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  • Motion Software Logotype

    5.0 2 reviews
    Undisclosed
    Undisclosed
    50 - 249
    Sofia, Bulgaria

    Services provided

    20% Blockchain
    30% Custom Software Development
    20% Mobile App Development +2 services
    15% IT Staff Augmentation
    15% Web Development

    Motion Software is an IT development company specializing in web and frontend application development, including React and Angular. According to client reviews, 100% of their projects were completed successfully and on time, with clients praising their professionalism and effective collaboration. Additionally, 50% of reviewers highlighted the company's impressive ability to understand specific project needs.

    See all 2 projects

    Reviews mention Understands their clients' needs

    Clients consistently express that Motion Software excels in understanding their specific needs, as highlighted by a Chief People Officer who noted their appreciation for the time taken to comprehend the required tech stack and profile. The overall sentiment is highly positive, with clients reporting successful project outcomes and seamless collaboration, indicating that Motion Software effectively aligns its services with client objectives.
    • Staff Augmentation for IT Company
      5.0 Jan 17, 2022

      We appreciate the time they took to understand what tech stack and specific profile we're looking for.

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    Industry Experience

    Motion Software has demonstrated strong expertise in the IT Services industry, particularly in financial technology and startup development. Clients commend their effective collaboration, professionalism, and timely project completion, particularly in frontend development using frameworks like React and Angular. The overall sentiment is positive, indicating that Motion Software is a reliable partner for projects requiring technical proficiency and a responsive approach across various IT sectors.

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    IT Services

    Average Project Cost Breakdown

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

    What Clients Have Said

    Clients consistently highlight Motion Software's competitive pricing and excellent value for money. One client noted their reputation and work ethic as key factors in their decision, while another praised the company's professionalism and effective collaboration, which contributed to successful project completion on time. Overall, the sentiment reflects satisfaction with the cost relative to the quality of service provided, with no specific areas for improvement mentioned regarding pricing.
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    Review Rating from Clients

    5.0/5.0

    Quality

    5.0

    Schedule

    5.0

    Cost

    5.0

    Willing to Refer

    5.0

    In Sofia, Motion Software is recognized for their expert Angular development and effective teamwork, notably on blockchain projects. Clients highlight their professionalism, detailed reporting, and ability to adapt quickly to feedback, ensuring successful project delivery.
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  • MENA Software Logotype

    4.8 4 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    25% Blockchain
    15% Back Office Outsourcing
    10% BI & Big Data Consulting & SI +5 services
    10% Business Consulting
    10% Custom Software Development
    10% IoT Development
    10% Mobile App Development
    10% Web Development

    MENA Software is a versatile software development company specializing in platform development, blockchain solutions, and app creation. Their services have received overwhelmingly positive feedback, with approximately 100% of clients noting their effective project management and dedication. Clients consistently highlight the company's strong competence, high-quality output, and affordability, with no major areas for improvement suggested.

    See all 4 projects

    Reviews mention Reasonable pricing

    Clients have expressed positive sentiments regarding MENA Software's reasonable pricing. One client noted that the company provided software updates at an 'affordable price,' highlighting the value offered. Additionally, feedback emphasized their 'great prices' alongside commendable service quality, indicating that clients feel they receive excellent value for their investment. Overall, MENA Software is perceived as a cost-effective option for software development services.
    • Software Update for Online Consulting Service
      5.0 Oct 19, 2018

      The way they work and deal with customers is remarkable. They also offer great prices.

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    Average Project Cost Breakdown

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

    What Clients Have Said

    MENA Software has received positive feedback regarding their overall cost and value for money. Clients highlighted their cost-effective solutions, with one stating that their services were 'affordable' and another noting that they provided 'excellent' service at great prices. Additionally, a client emphasized the team's efficiency and project management, describing them as 'cost-effective' and 'professional.' Overall, clients express high satisfaction with the value received for the investment made.
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    Bulgaria (2) United Arab Emirates (1)

    Review Rating from Clients

    4.8/5.0

    Quality

    5.0

    Schedule

    4.8

    Cost

    5.0

    Willing to Refer

    4.8

    Reviewers in Sofia commend MENA Software for delivering reliable, cutting-edge digital solutions, including platform creation and blockchain development. They emphasize the team's professionalism, fast execution, and strong project management, making them a trusted partner for complex tech projects.
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  • Generic Soft Logotype

    5.0 11 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    15% Blockchain
    30% Custom Software Development
    30% Web Development +3 services
    10% AI Development
    10% Mobile App Development
    5% IoT Development

    Generic Soft is a specialized software development company with a focus on Blockchain Technology and Distributed Ledger Development. Reviews highlight their expertise in delivering Blockchain Solutions with 100% positive feedback on communication efficiency and project management. Clients appreciate their proactive attitude and ability to meet deadlines, with approximately 90% noting alignment with company values and cost-effectiveness.

    See all 11 projects

    Reviews mention Professional

    Generic Soft has received overwhelmingly positive feedback regarding their professionalism. Clients highlighted the team's dedication to project success, with one noting their 'unwavering commitment' and 'meticulous attention to detail.' Another client praised their 'thorough and professional' approach to development tasks. Their project management is characterized by timely delivery and proactive communication, ensuring client needs are promptly addressed. Overall, the sentiment reflects a strong appreciation for Generic Soft's professionalism and client-centric ethos.
    • Custom Software Development for B2B Consultancy
      5.0 Jan 8, 2024

      Generic Soft's project management team epitomises professionalism and dedication, consistently showcasing their prowess in delivering projects promptly and adeptly responding to client needs. Renowned for their unwavering commitment, the team goes above and beyond, investing extra hours and meticulous attention to detail to ensure project success. Time management is a standout skill, with the team organising tasks efficiently, allocating resources judiciously, and ensuring the timely delivery of project milestones.

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    • Software Development for Custom Software Solutions Company
      5.0 Jun 29, 2023

      Communication with Generic Soft is always fast and direct. The developers they provide are always professionals. We always find a solution with them, when we need it, and they do whatever they can to fit our needs.

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    • App Dev for Storage Solutions Company
      5.0 May 25, 2023

      They are very thorough and professional in the way they approached the development tasks. Delivered items on time or informed delays according to agreement. All deliverables were delivered according to spec, and any issues that became prevalent during the process were escalated and solved in a satisfactory way.

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    Industry Experience

    Generic Soft has demonstrated expertise across multiple industries, including Consulting, IT Services, and Software. Feedback highlights their strengths in software engineering, project management, and adaptability, with clients noting timely delivery and effective communication. In the Consulting sector, they excelled in technical project solutions for public/private sectors, while in IT Services, they showcased strong collaboration in agile environments. The Software industry feedback emphasizes their thoroughness and professionalism, making them a suitable partner for clients seeking reliable software solutions.

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    Consulting IT Services Software

    Average Project Cost Breakdown

    $200,000 to $999,999 (3) Less than $10,000 (2)

    What Clients Have Said

    Generic Soft is consistently praised for its competitive pricing and overall value for money. Clients have noted that the pricing aligns well with their budgets, with one stating it offered 'good value for cost.' Another client emphasized the company's commitment to delivering quality within budget constraints, highlighting successful outcomes and timely deliverables. Overall, the sentiment reflects satisfaction with the cost-effectiveness of their services, reinforcing their reputation as a reliable partner.
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    Review Rating from Clients

    5.0/5.0

    Quality

    4.9

    Schedule

    4.8

    Cost

    4.8

    Willing to Refer

    5.0

    Sofia clients appreciate Generic Soft’s proficiency in full-cycle software development, including front-end, back-end, and DevOps. They value their proactive communication, technical expertise, and ability to adapt to project needs, successfully executing diverse projects like mobile apps, blockchain platforms, and enterprise systems with consistent quality.
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  • Smarch Logotype

    5.0 2 reviews
    $5,000+
    $100 - $149 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    10% Blockchain
    30% Custom Software Development
    30% Web Development +2 services
    20% Mobile App Development
    10% UX/UI Design

    Smarch is a versatile technology company specializing in custom Shopify integrations and AI product recommendations. The company is highly praised for its quick execution and effective communication, managing to achieve results that others deemed impossible. With 100% positive reviews, clients emphasize Smarch's speed and attention to detail, with a notable 10% increase in average order value for one client.

    See all 2 projects

    Reviews mention Timely

    The feedback regarding Smarch highlights a strong sentiment towards their timeliness in project execution. Clients noted that Smarch completed tasks faster than expected, with one reviewer stating, "they solved all of these tasks in a matter of few days!" Additionally, another client appreciated the speed of execution, mentioning that they were able to accomplish what others deemed impossible in a shorter timeframe. Overall, clients expressed high satisfaction with Smarch's prompt and efficient service.
    • E-Commerce Development for Coffee E-Retailer
      5.0 Nov 24, 2020

      It's been great. Not only did we manage to do things which others claimed impossible. We also did it in a faster time than I expected from researching it.

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    • AI Development for Online Marketing Company
      5.0 Apr 1, 2020

      The speed of the execution blew us away. Every task was completed within a few days. It was managed by daily phone calls. We sorted everything out quickly online.

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    Industry Experience

    Smarch has demonstrated expertise primarily in the IT Services and Advertising & Marketing industries. Clients praised their custom solutions, particularly for subscription management and AI product recommendations, noting outstanding service and efficient project execution. Positive feedback highlighted their attention to detail and effective communication. Overall sentiment is highly favorable, indicating that potential clients in these sectors can expect strong support and impactful results from Smarch's services.

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    IT Services Advertising & marketing

    Average Project Cost Breakdown

    Less than $10,000 (2)

    What Clients Have Said

    Clients consistently commend Smarch for delivering exceptional value relative to their costs. One client highlighted achieving a 10% increase in average order value within a month, attributing this success to Smarch’s efficient solutions. Another client praised their ability to complete complex tasks that others deemed impossible, all while maintaining a reasonable timeline. Overall, feedback reflects strong satisfaction with cost-effectiveness and the quality of service provided.
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    Denmark (1) Sweden (1)
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  • WeiChain Tech Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    50% Blockchain
    25% Mobile App Development
    25% Web Development

    WeiChain Tech is a Blockchain company. The agency is based in Singapore, Singapore and Sofia, Bulgaria. Their services include Blockchain and Web Development.

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    Sofia, Bulgaria

    ulitsa "Oborishte" 5b
    Sofia, Bulgaria 1504

    10 - 15

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  • Infinite X Logotype

    Not yet reviewed

    $10,000+
    Undisclosed
    2 - 9
    Sofia, Bulgaria

    Services provided

    100% Blockchain

    Infinite X is a small Blockchain company. They focus on Blockchain and were founded in 2017.

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  • INDUSTRIA Logotype

    5.0 4 reviews
    Undisclosed
    Undisclosed
    10 - 49
    Sofia, Bulgaria

    Services provided

    50% Blockchain
    30% Custom Software Development
    20% UX/UI Design

    INDUSTRIA is a distinguished company specializing in Distributed Ledger Technology and Blockchain Solutions, adept in areas like Smart Contract Development and Decentralized System Development. The feedback is overwhelmingly positive, with 100% of reviewers praising their project management skills and commitment to innovation, highlighting their effective collaboration and cost-effectiveness. INDUSTRIA is commended for their exceptional engineering and realistic approach to complex challenges.

    See all 4 projects

    Reviews mention Efficient

    Clients consistently highlight INDUSTRIA's efficiency in project management, describing their approach as 'invisible and efficient.' One client noted their ability to absorb project variability and their supportive attitude. Additionally, feedback emphasizes the company's commitment to understanding project scope and their excellent engineering work. Overall, the sentiment regarding efficiency is highly positive, indicating that INDUSTRIA is adept at delivering results while maintaining effective communication and project oversight.
    • Blockchain Development for Automation Machinery Company
      5.0 Mar 23, 2022

      Industria provides a good model of project management: invisible and efficient. They understood that the type of projects we were working on were more the R&D type, and we handled the life of the project in kind. They were able to absorb the variability of such projects. I'm very grateful for their attitude that was supportive. They use Jira as an internal project management tool, tracking the project on our behalf. We typically communicate via Zoom/Meet.

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    Industry Experience

    INDUSTRIA has demonstrated strong expertise in various industries including Software, Utilities, Environmental Services, and other sectors requiring decentralization technologies. Clients highlight their proficiency in developing Corda-based solutions, exceptional project management, and effective communication. Positive feedback emphasizes their engineering capabilities, proactivity in problem-solving, and commitment to delivering on time and within budget. Overall, INDUSTRIA is well-suited for projects in fintech, energy, and sustainability, making them a valuable partner for similar ventures.

    Read All Reviews

    Select Industry to see insights

    Other Industry Software Utilities Environmental Services

    Average Project Cost Breakdown

    $50,000 to $199,999 (2) $1,000,000 to $9,999,999 (1)

    What Clients Have Said

    Clients consistently remark on INDUSTRIA's cost-effectiveness and strong value for money. One client noted that their development costs were included in a £2 million project budget, emphasizing their affordability. Another highlighted that they delivered a product on time and on budget, while also providing additional support beyond the initial agreement. Overall, feedback reflects satisfaction with INDUSTRIA's pricing structure, their commitment to project success, and the quality of service provided.
    Read All Reviews

    View projects from:

    England (2) France (1) United States (1)
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  • Fusion Software Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    50% Blockchain
    50% Custom Software Development

    Established in 2016, Fusion Software is a small custom software development firm and Blockchain company headquartered in Sofia, Bulgaria. Their team offers Custom Software Development and

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  • GlobalizeIT Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    30% Blockchain
    40% Web Development
    30% Custom Software Development

    GlobalizeIT, a web development company, is in Sofia, Bulgaria and Sofia, Bulgaria. They focus on Web Development and Custom Software Development and were founded in 2018.

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  • Codexio Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    20% Blockchain
    40% Web Development
    20% IT Strategy Consulting +1 service
    20% Mobile App Development

    Web development company Codexio was founded in 2017. In Sofia, Bulgaria, the team provides Web Development and Blockchain.

    Read more
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  • ST6 Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    20% Blockchain
    45% Web Development
    25% Mobile App Development +2 services
    5% Custom Software Development
    5% Enterprise App Modernization

    ST6, a web development firm, was founded in 2017. The firm specializes in Web Development and Mobile App Development.

    Read more
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  • WispSoft Logotype

    Not yet reviewed

    $50,000+
    $50 - $99 / hr
    2 - 9
    Sofia, Bulgaria

    Services provided

    30% Blockchain
    30% Custom Software Development
    20% CRM Consulting and SI +1 service
    20% ERP Consulting and SI

    Launched in 2021, WispSoft is a software development company. Based in Sofia, Bulgaria, the team focuses on Custom Software Development and Blockchain.

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  • Evolves Tech Logotype

    5.0 2 reviews
    $1,000+
    < $25 / hr
    50 - 249
    Sofia, Bulgaria

    Services provided

    15% Blockchain
    25% Custom Software Development
    20% Digital Strategy +3 services
    15% Blockchain Marketing
    15% Web Development
    10% Affiliate Marketing

    Evolves Tech offers services in SEO optimization and online advertising, focusing on platforms such as Facebook and Google. Feedback from clients highlights their ability to deliver projects on time with great service, contributing to increased sales. However, suggestions for improvement include enhancing communication throughout the project.

    See all 2 projects
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  • QaiWare Logotype

    Not yet reviewed

    $25,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    10% Blockchain
    10% API Development
    10% Application Management & Support +7 services
    10% Custom Software Development
    10% Enterprise App Modernization
    10% IT Managed Services
    10% IT Strategy Consulting
    10% Mobile App Development
    10% Other Application Development
    10% Web Development

    QaiWare, an IT strategy consulting company, is based in Sofia, Bulgaria and Frankfurt am Main, Germany. The team offers IT strategy consulting and IT managed services.

    Read more
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  • Brave IT Consulting Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    50 - 249
    Sofia, Bulgaria

    Services provided

    10% Blockchain
    10% Business Consulting
    10% Custom Software Development +8 services
    10% E-Commerce Development
    10% Enterprise App Modernization
    10% IT Strategy Consulting
    10% Mobile App Development
    10% Other Application Development
    10% Web Development
    5% AI Development
    5% IoT Development

    Brave IT Consulting is a midsize custom software development firm. Established in 2019, the team specializes in Custom Software Development and Enterprise App Modernization.

    Read more
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  • NCB Ltd Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    10% Blockchain
    30% Custom Software Development
    30% Web Development +2 services
    20% Application Testing
    10% IoT Development

    Founded in 2013, NCB Ltd is a software development firm. Their team offers Custom Software Development and Web Development.

    Read more
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  • AboveDev Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    2 - 9
    Sofia, Bulgaria

    Services provided

    10% Blockchain
    60% Web Development
    30% AI Development

    AboveDev is a web development firm founded in 2021. Based in Sofia, Bulgaria, the team focuses on Web Development and Artificial Intelligence.

    Read more
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  • WebKings Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Sofia, Bulgaria

    Services provided

    10% Blockchain
    30% E-Commerce Development
    30% Web Development +3 services
    10% Custom Software Development
    10% Low/No Code Development
    10% Mobile App Development

    WebKings is a small website development company. Founded in 2020, the team specializes in Web Development and E-Commerce Development.

    Read more
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  • STARTEDIO Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    2 - 9
    Sofia, Bulgaria

    Services provided

    10% Blockchain
    60% Web Development
    30% Mobile App Development

    Website development company STARTEDIO is located in Sofia, Bulgaria. Their services include Web Development and Mobile App Development.

    Read more
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  • Softrix Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    2 - 9
    Sofia, Bulgaria

    Services provided

    20% Blockchain
    20% AI Development
    20% Graphic Design +2 services
    20% Mobile App Development
    20% Web Development

    Softrix is a graphic design agency. Located in Sofia, Bulgaria, the agency offers Graphic Design and Web Development.

    Read more
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  • Omicron Blockchain Solutions Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Sofia, Bulgaria

    Services provided

    100% Blockchain

    Small Blockchain company Omicron Blockchain Solutions, is based in Sofia, Bulgaria. Their services include Blockchain.

    Read more
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  • Process of Things - PoT Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Sofia, Bulgaria

    Services provided

    50% Blockchain
    50% IoT Development

    Process of Things - PoT is a small Blockchain and IoT development company founded in 2018. Their services include Blockchain and IoT development.

    Read more
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Ability to deliver
Focus
Clutch Leaders Matrix

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

1 LimeChain
2 Quanterall
3 EntroSolutions
4 hack bg - Blockchain & DLT Solutions
5 SoCyber
6 Motion Software
7 MENA Software
8 Generic Soft
9 Smarch

List of the Top 9 Sofia Blockchain Development Companies

  1. LimeChain Logotype

    LimeChain

    $5,000+
    $50 - $99 / hr
    50 - 249
    Sofia, Bulgaria

    Ability to deliver

    32.8/40.0
    17.4/20 Reviews
    8.7/10 Clients & Experience
    6.7/10 Market Presence

    Service focus

    70% Blockchain
    30% Other
    View Profile Visit Website
  2. Quanterall Logotype

    Quanterall

    $50,000+
    $50 - $99 / hr
    50 - 249
    Varna, Bulgaria

    Ability to deliver

    33.5/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    7.2/10 Market Presence

    Service focus

    30% Blockchain
    70% Other
    View Profile Visit Website
  3. EntroSolutions Logotype

    EntroSolutions

    $5,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    31.3/40.0
    16/20 Reviews
    9.6/10 Clients & Experience
    5.7/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website
  4. hack bg - Blockchain & DLT Solutions Logotype

    hack bg - Blockchain & DLT Solutions

    $5,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    21.5/40.0
    16.2/20 Reviews
    0/10 Clients & Experience
    5.3/10 Market Presence

    Service focus

    80% Blockchain
    20% Other
    View Profile Visit Website
  5. SoCyber Logotype

    SoCyber

    $1,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    24.3/40.0
    16.4/20 Reviews
    2.3/10 Clients & Experience
    5.7/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website
  6. Motion Software Logotype

    Motion Software

    Undisclosed
    Undisclosed
    50 - 249
    Sofia, Bulgaria

    Ability to deliver

    21.5/40.0
    16.2/20 Reviews
    0/10 Clients & Experience
    5.3/10 Market Presence

    Service focus

    20% Blockchain
    80% Other
    View Profile Visit Website
  7. MENA Software Logotype

    MENA Software

    $5,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    20.8/40.0
    15.6/20 Reviews
    0/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    25% Blockchain
    75% Other
    View Profile Visit Website
  8. Generic Soft Logotype

    Generic Soft

    $10,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    21.6/40.0
    17/20 Reviews
    0/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    15% Blockchain
    85% Other
    View Profile Visit Website
  9. Smarch Logotype

    Smarch

    $5,000+
    $100 - $149 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    21.1/40.0
    16.2/20 Reviews
    0/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website
  10. WeiChain Tech Logotype

    WeiChain Tech

    $5,000+
    $25 - $49 / hr
    10 - 49
    Singapore, Singapore

    Ability to deliver

    10/40.0
    0/20 Reviews
    5.1/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    50% Blockchain
    50% Other
    View Profile Visit Website
  11. Infinite X Logotype

    Infinite X

    $10,000+
    Undisclosed
    2 - 9
    Sofia, Bulgaria

    Ability to deliver

    6.5/40.0
    0/20 Reviews
    1.2/10 Clients & Experience
    5.3/10 Market Presence

    Service focus

    100% Blockchain
    View Profile Visit Website
  12. INDUSTRIA Logotype

    INDUSTRIA

    Undisclosed
    Undisclosed
    10 - 49
    London, England

    Ability to deliver

    27.4/40.0
    16.2/20 Reviews
    5.7/10 Clients & Experience
    5.5/10 Market Presence

    Service focus

    50% Blockchain
    50% Other
    View Profile Visit Website
  13. Fusion Software Logotype

    Fusion Software

    $10,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    4/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4/10 Market Presence

    Service focus

    50% Blockchain
    50% Other
    View Profile Visit Website
  14. GlobalizeIT Logotype

    GlobalizeIT

    $5,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    4.6/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    30% Blockchain
    70% Other
    View Profile Visit Website
  15. Codexio Logotype

    Codexio

    $1,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    5.8/40.0
    0/20 Reviews
    1.2/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    20% Blockchain
    80% Other
    View Profile Visit Website
  16. ST6 Logotype

    ST6

    $25,000+
    $100 - $149 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    5.5/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.5/10 Market Presence

    Service focus

    20% Blockchain
    80% Other
    View Profile Visit Website
  17. WispSoft Logotype

    WispSoft

    $50,000+
    $50 - $99 / hr
    2 - 9
    Sofia, Bulgaria

    Ability to deliver

    4/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4/10 Market Presence

    Service focus

    30% Blockchain
    70% Other
    View Profile Visit Website
  18. Evolves Tech Logotype

    Evolves Tech

    $1,000+
    < $25 / hr
    50 - 249
    Sofia, Bulgaria

    Ability to deliver

    4.6/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    15% Blockchain
    85% Other
    View Profile Visit Website
  19. QaiWare Logotype

    QaiWare

    $25,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    5.2/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website
  20. Brave IT Consulting Logotype

    Brave IT Consulting

    $1,000+
    $50 - $99 / hr
    50 - 249
    Sofia, Bulgaria

    Ability to deliver

    4.6/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website
  21. NCB Ltd Logotype

    NCB Ltd

    $1,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    4.6/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website
  22. AboveDev Logotype

    AboveDev

    $5,000+
    $50 - $99 / hr
    2 - 9
    Sofia, Bulgaria

    Ability to deliver

    4/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website
  23. WebKings Logotype

    WebKings

    $1,000+
    $25 - $49 / hr
    2 - 9
    Sofia, Bulgaria

    Ability to deliver

    4/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website
  24. STARTEDIO Logotype

    STARTEDIO

    $10,000+
    $50 - $99 / hr
    2 - 9
    Sofia, Bulgaria

    Ability to deliver

    4/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website

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