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Top Blockchain Companies & Developers in London

Ratings Updated: November 11, 2026
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1 Leaders 6 Contenders

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7 Companies

Country: Canada
Province: Ontario
City: London

List of the Top London Blockchain Development Companies

  • Featured

    What are Featured Providers?

    RedDuck Logotype

    RedDuck

    5.0 17 reviews
    Verified Clutch Guarantee
    $5,000+
    $50 - $99 / hr
    10 - 49
    Serves London, Canada

    Services provided

    90% Blockchain
    10% Web Development

    RedDuck is a blockchain development company specializing in smart contract development, decentralized application (DApp) development, and blockchain solutions. With a 100% positive feedback rate, clients commend their creative problem-solving, strong project management, and efficient communication, leading to timely deliveries and high-quality products. Approximately 85% of reviewers highlight RedDuck’s expertise in blockchain technology and smart contracts as standout features.

    See all 17 projects
    4 of 4 reviews are 5 stars
    3 new reviews for Blockchain services
    $50,000 – $199,999 avg. project cost

    Reviewed 4 times in the past 6 months

    RedDuck has received positive feedback over the last six months, highlighting their effective problem-solving and timely delivery. Clients appreciate their responsiveness and ability to clarify assumptions during projects. For instance, one client noted that RedDuck's architectural advice significantly influenced their project direction. Another client praised their creative approach in developing smart contracts and dApps, emphasizing the company's commitment to innovation. Overall, clients express satisfaction with RedDuck's performance and communication, with no major areas for improvement identified.
    Read 4 Recent Reviews

    Average Project Cost Breakdown

    $50,000 to $199,999 (7) $10,000 to $49,000 (1)

    What Clients Have Said

    RedDuck is frequently recognized for providing excellent value for money, with clients noting that their pricing aligns well with budgetary expectations. One client emphasized that RedDuck offered 'good value for the cost' and consistently delivered on time, while another highlighted the company's ability to meet project needs efficiently. Overall, feedback reflects a positive sentiment regarding cost-effectiveness, with clients expressing satisfaction with the quality of deliverables relative to the investment.
    Read All Reviews

    View projects from:

    Switzerland (2) United States (2) Germany (1) India (1) Marshall Islands (1) South Africa (1) Thailand (1) Ukraine (1) England (1)

    This provider is fluent in 4 languages:

    • English
    • German
    • Ukrainian
    • Russian

    This provider is available in 37 time zones:

    • Colombia Time (COT)
    • Near East Time (NET)
    • Middle East Time (MET)
    • China Taiwan Time (CTT)
    • Gulf Standard Time (GST)
    • Brazil Eastern Time (BET)
    • Greenwich Mean Time (GMT)
    • India Standard Time (IST)
    View all time zones
    $6,400 Allocation of an ethereum smart-contract developer $9,600 Allocation of a senior ethereum developer RWA/DeFi $12,800 Allocation of a tech-lead developer RWA/DeFi/Web3

    Software Development (Ethereum/EVM)

    Development of Blockchain/Web3 software focusing on smart-contracts / DeFi / RWA on Ethereum network.
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  • Debut Infotech Logotype

    4.9 47 reviews
    Premier Verified Clutch Guarantee
    $10,000+
    $25 - $49 / hr
    50 - 249
    Kitchener, Canada

    Services provided

    20% Blockchain
    30% AI Development
    20% Custom Software Development +2 services
    15% Mobile App Development
    15% Web Development

    Debut Infotech is a prominent player in blockchain development, offering services such as decentralized application (dApp) development, smart contract development, and blockchain solutions. Their expertise is highlighted in 100% of reviews, with clients praising their ability to deliver secure, scalable solutions that meet business needs. Their project management is consistently commended, with 100% of reviewers noting timely delivery and excellent communication.

    See all 47 projects
    0 of 1 reviews is 5 stars
    Unknown avg. project cost

    Reviewed 1 time in the past 6 months

    Debut Infotech has received positive feedback for its technical expertise and responsiveness in delivering a complex, user-friendly website that manages over 47,000 product configurations. Clients have praised their ability to translate intricate requirements into effective solutions, highlighting their commitment to understanding business challenges. Project management was noted as efficient, with timely deliverables and clear communication. Suggestions for improvement included more frequent updates during development phases to facilitate internal reviews.
    Read 1 Recent Review

    Industry Experience

    Debut Infotech has demonstrated expertise across various industries, including Retail, Arts & Entertainment, Real Estate, and Education. Feedback highlights their strengths in developing AI solutions, blockchain applications, and mobile apps, showcasing a commitment to quality and timely delivery. Clients commend their proactive communication and technical proficiency, particularly in enhancing operational efficiency and user engagement. Overall sentiment reflects positive experiences, particularly in sectors requiring innovative technology solutions.

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    Select Industry to see insights

    Consulting Real estate Software Financial services Sports Consumer Products Advertising & marketing Business services Hospitality & leisure Telecommunications Education Arts, entertainment & music Energy & natural resources Retail Media IT Services Gaming

    Average Project Cost Breakdown

    $10,000 to $49,000 (22) Less than $10,000 (5) $50,000 to $199,999 (3) $200,000 to $999,999 (2)

    What Clients Have Said

    Debut Infotech has received positive feedback regarding its cost and value for money, with clients frequently emphasizing that their pricing fits within budget while delivering good value. One client noted that the company's pricing was a key factor in their decision to engage Debut Infotech, highlighting excellent project outcomes relative to costs. Overall, sentiment is largely favorable, with multiple reviews indicating satisfaction with the balance between quality and affordability.
    Read All Reviews

    View projects from:

    United States (10) India (6) Australia (3) Ukraine (3) Germany (2) Singapore (2) Canada (1) France (1) South Korea (1) Kuwait (1) Netherlands (1) Saudi Arabia (1)

    This provider is fluent in 1 language:

    • English
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  • DotStark Technologies LLP Logotype

    4.8 4 reviews
    $25,000+
    $25 - $49 / hr
    10 - 49
    London, Canada

    Services provided

    10% Blockchain
    40% Web Development
    20% Mobile App Development +3 services
    10% Cloud Consulting & SI
    10% E-Commerce Development
    10% Web Design

    DotStark Technologies LLP is a web development company specializing in Kentico platform solutions, including complex migrations and integrations. The company is praised for its technical expertise and timely project delivery, with 100% of reviewers noting satisfaction with their communication and project management. Clients appreciate the team’s professionalism and ability to handle intricate challenges effectively.

    See all 4 projects

    Reviews mention Professional

    Clients consistently commend DotStark Technologies LLP for their professionalism, highlighting effective communication and timely project management. One client noted their team was 'very quick and professional,' while another emphasized their 'well managed' approach. The overall sentiment reflects a strong appreciation for the company's commitment to delivering quality outcomes within budget, with minimal areas identified for improvement.
    • Web Dev & Design for Food Service Manufacturer
      4.5 Aug 14, 2023

      The company was very communicative and managed the project well. They were quick and professional in their approach. There were no areas for improvement identified, indicating a high level of satisfaction with their professionalism.

      Read Full Review
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    Industry Experience

    DotStark Technologies LLP has received positive feedback from clients in the Manufacturing and Advertising & Marketing industries. In Manufacturing, they demonstrated strong project management and effective communication, delivering a well-designed website. In Advertising & Marketing, they showcased expertise in web development, UI/UX design, and Kentico implementation, emphasizing responsiveness and technical maturity. Overall, the sentiment is highly favorable, particularly for businesses seeking reliable web solutions and digital marketing services.

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    Select Industry to see insights

    Manufacturing Advertising & marketing

    View projects from:

    United States (2) Canada (1)

    London, Canada

    26 Finch Crescent
    London, Canada N6E 2E5

    6 - 9

    +1(647) 862-2190

    See All Locations (4)
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  • Reytech Infoways PVT LTD Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    London, Canada

    Services provided

    10% Blockchain
    35% Web Development
    30% Mobile App Development +2 services
    15% UX/UI Design
    10% Digital Strategy

    Reytech Infoways PVT LTD is a web development company located in Dubai, United Arab Emirates and Muscat, Oman. Their services include Web Development and Mobile App Development.

    Read more

    London, Canada

    391 Fleming Drive
    London, Canada N5V 4Y6

    2 - 5

    See All Locations (6)
    View Profile

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  • Inara consultancy services Logotype

    4.5 2 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    Waterloo, Canada

    Services provided

    20% Blockchain
    30% Staffing
    20% Web Development +2 services
    15% Custom Software Development
    15% Mobile App Development

    Inara consultancy services is a Blockchain Development company known for delivering full-stack blockchain applications and blockchain technology solutions. They consistently exceed expectations, with 100% of reviewers highlighting their proactive approach and efficient project management. Clients appreciate their commitment to communication and timely delivery, often ahead of schedule, making them a reliable partner for blockchain projects.

    See all 2 projects

    Reviews mention Timely

    Inara consultancy services has received highly positive feedback regarding their timeliness. Clients noted that they consistently delivered projects ahead of schedule, exceeding expectations and performance benchmarks. One client specifically praised their proactive approach and clear communication, stating that adjustments were handled promptly, ensuring the project remained on track. Overall, the sentiment reflects a strong commitment to timely delivery and responsiveness to client needs.
    • Web & Blockchain Development for Staff Augmentation Company
      4.0 Aug 14, 2024

      Their project management was highly efficient and reliable. They consistently delivered items on time, often ahead of schedule. Communication was clear and responsive, with the team quickly adapting to our needs and providing solutions that aligned with our goals.

      Read Full Review
    Read All Reviews
    0 of 1 Blockchain reviews are 5 stars
    1 new review for Blockchain in past 6 months
    $10,000 – $49,000 avg. project cost

    Blockchain PROJECT HIGHLIGHT

    Web & Blockchain Development for Staff Augmentation Company

    4.0 — Inara consultancy services built a full stack blockchain app for a staff augmentation company. They also handled the frontend development work for an end client's project. Read more
    Read 1 Review

    Industry Experience

    Inara Consultancy Services has garnered positive feedback primarily within the Human Resources and Recruitment sectors. Clients commend their expertise in app development, infrastructure improvement, and blockchain technology, highlighting their timely delivery, effective communication, and commitment to results. The overall sentiment indicates strong satisfaction, with repeated business and long-term partnerships sought after. Their strengths lie in their work ethic, technical proficiency, and ability to align with client values, making them a suitable partner for businesses in tech-focused environments.

    Read All Reviews

    Select Industry to see insights

    Human Resources

    Waterloo, Canada

    521 Old Orchard Place
    Waterloo, Canada N2T 1W2

    2 - 5

    See All Locations (2)
    View Profile
  • UREEQA Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Kitchener, Canada

    Services provided

    100% Blockchain

    Blockchain company UREEQA Inc. Was established in 2020. The team specializes in Blockchain.

    Read more
    View Profile
  • Factr Limited Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    10 - 49
    Brant, Canada

    Services provided

    30% Blockchain
    30% AI Development
    20% Custom Software Development +2 services
    15% Web Development
    5% Cybersecurity

    Artificial intelligence company Factr Limited was launched in 2018. The team focuses on Artificial Intelligence and Blockchain.

    Read more
    View Profile
  • Cogdina Inc Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    2 - 9
    Waterloo, Canada

    Services provided

    10% Blockchain
    25% Web Development
    20% Web Design +4 services
    15% Mobile App Development
    10% AI Development
    10% IT Strategy Consulting
    10% Logo

    Cogdina Inc is a web development firm. Launched in 2018, the team provides Web Development and Web Design.

    Read more
    View Profile

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1 DotStark Technologies LLP

List of the Top 1 London Blockchain Development Companies

  1. DotStark Technologies LLP Logotype

    DotStark Technologies LLP

    $25,000+
    $25 - $49 / hr
    10 - 49
    London, Canada

    Ability to deliver

    22.1/40.0
    15.8/20 Reviews
    2.1/10 Clients & Experience
    4.2/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website
  2. Reytech Infoways PVT LTD Logotype

    Reytech Infoways PVT LTD

    $5,000+
    $50 - $99 / hr
    10 - 49
    London, Canada

    Ability to deliver

    4.4/40.0
    0/20 Reviews
    0.7/10 Clients & Experience
    3.7/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website
  3. Debut Infotech Logotype

    Debut Infotech

    $10,000+
    $25 - $49 / hr
    50 - 249
    Kitchener, Canada

    Ability to deliver

    31/40.0
    17/20 Reviews
    9.7/10 Clients & Experience
    4.3/10 Market Presence

    Service focus

    20% Blockchain
    80% Other
    View Profile Visit Website
  4. Inara consultancy services Logotype

    Inara consultancy services

    $1,000+
    $25 - $49 / hr
    10 - 49
    Waterloo, Canada

    Ability to deliver

    26.6/40.0
    14.6/20 Reviews
    8.3/10 Clients & Experience
    3.7/10 Market Presence

    Service focus

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

    UREEQA Inc.

    Undisclosed
    Undisclosed
    10 - 49
    Kitchener, Canada

    Ability to deliver

    4.1/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.1/10 Market Presence

    Service focus

    100% Blockchain
    View Profile Visit Website
  6. Factr Limited Logotype

    Factr Limited

    $10,000+
    $100 - $149 / hr
    10 - 49
    Brant, Canada

    Ability to deliver

    3.5/40.0
    0/20 Reviews
    0.5/10 Clients & Experience
    3/10 Market Presence

    Service focus

    30% Blockchain
    70% Other
    View Profile Visit Website
  7. Cogdina Inc Logotype

    Cogdina Inc

    $10,000+
    $50 - $99 / hr
    2 - 9
    Waterloo, Canada

    Ability to deliver

    3.7/40.0
    0/20 Reviews
    0/10 Clients & Experience
    3.7/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website

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