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Top Blockchain Companies & Developers in London

Ratings Updated: October 18, 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 firm specializing in Smart Contract Development, Distributed Ledger Technology, and Decentralized Application Development. They consistently receive positive feedback for their technical proficiency, with approximately 95% of reviewers commending their project management and responsiveness. Clients particularly appreciate their strategic vision and ability to deliver comprehensive blockchain solutions that align with business objectives.

    See all 17 projects

    Reviews mention Adaptable

    RedDuck received high praise for its adaptability throughout the project, demonstrating a strong ability to respond to evolving client needs. The CEO of InvariFi highlighted RedDuck's excellent project management, noting their transparency in communication and quick implementation of feedback. The team effectively managed a complex development process, balancing technical precision with creative vision, which significantly contributed to the timely launch of the platform without issues. Overall, the sentiment reflects RedDuck's professionalism and commitment to client success.
    • 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.

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    More responsive than most other service providers

    RedDuck is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch

    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.
    View Packages
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  • Debut Infotech Logotype

    4.9 46 reviews
    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 blockchain development company specializing in blockchain solutions, smart contract development, and decentralized application (dApp) development. With a 100% positive feedback rate across six reviews, clients commend their deep technical expertise, excellent project management, and proactive communication. They consistently deliver high-quality, scalable blockchain solutions, though some suggest enhancing the onboarding process for improved initial communication.

    See all 46 projects

    Reviews mention Reasonable pricing

    Clients have expressed positive sentiment regarding Debut Infotech's reasonable pricing. One reviewer noted that the budget was lower than anticipated while the quality of service exceeded expectations. They highlighted the company's ability to accommodate specific needs and deliver high-quality results, emphasizing that the overall cost-effectiveness contributed to a satisfying collaboration. This feedback indicates that Debut Infotech is perceived as offering valuable services at competitive rates.
    • iPad and Web Development for Consulting Firm
      5.0 Jan 29, 2016

      They're completely involved in the creative process. Also, once they set a price, if any unexpected issue arrives, they won't nickel-and-dime us. They stuck to the price and went out of their way to make sure that we and the client were satisfied.

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    • On Demand Produce Marketplace
      5.0 Jan 29, 2016

      The project went as planned, within budget, and in the projected timeframe. Debut Infotech offered me great service.

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    7 of 7 Blockchain reviews are 5 stars
    $10,000 – $49,000 avg. project cost

    Blockchain PROJECT HIGHLIGHT

    Blockchain Strategy for Simulation Attractions Company

    5.0 — Debut Infotech is developing a Solana-based dApp for a simulation attractions company. The team creates the dApp's UI/UX, integrates tokenomics, develops smart contracts in Rust, and provides Read more
    Read 7 Reviews

    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 consistent praise for providing good value for money across various projects. Clients highlighted that their pricing fit within budgets while delivering quality work, with comments such as 'good value for cost' and 'pricing fit our budget'. However, there were a few negative experiences, with one client expressing dissatisfaction regarding quality and communication. Overall, sentiment leans positive, emphasizing the company's commitment to delivering high-quality solutions at competitive prices.
    Read All Reviews

    More responsive than most other service providers

    Debut Infotech is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
    View Profile Visit Website
  • 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 Communicative

    Clients consistently highlight DotStark Technologies LLP's strong communication skills. One reviewer noted the team was 'well managed' and 'very communicative,' emphasizing their responsiveness to needs during the project. The use of virtual meetings and messaging apps facilitated effective dialogue. The overall sentiment reflects satisfaction with the firm's communication practices, contributing positively to the project's success.
    • Web Dev & Design for Food Service Manufacturer
      4.5 Aug 14, 2023

      The project management was well managed, very communicative. They used Virtual Meeting and Email or Messaging App as the primary forms of communication. This ensured that they were very quick and professional in their responses.

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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

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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 Efficient

    Clients have consistently praised Inara consultancy services for their efficiency in project management and delivery. Notably, one client highlighted that Inara delivered a complete full-stack application ahead of schedule, showcasing their deep expertise in blockchain technology. Additionally, their proactive communication and responsiveness to client needs were emphasized, ensuring that projects remained on track and aligned with expectations. Overall, the sentiment regarding their efficiency is highly positive, reflecting their ability to exceed client benchmarks.
    • 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
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    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

    Average Project Cost Breakdown

    What Clients Have Said

    Inara consultancy services is consistently praised for providing good value for money, with clients noting that their pricing fits within budget constraints while delivering high-quality results. One client highlighted their 'good value for cost' and another mentioned a 'dramatic increase in site and App performance,' reflecting satisfaction with the overall investment. The sentiment surrounding their pricing and value proposition is overwhelmingly positive, indicating that clients feel they receive substantial returns on their expenditures.
    Read All Reviews

    Waterloo, Canada

    521 Old Orchard Place
    Waterloo, Canada N2T 1W2

    2 - 5

    See All Locations (2)
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  • 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

    24.3/40.0
    16.2/20 Reviews
    2.1/10 Clients & Experience
    6/10 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

    5.6/40.0
    0/20 Reviews
    0.7/10 Clients & Experience
    4.9/10 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

    30.2/40.0
    16.2/20 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

    28.3/40.0
    14.6/20 Reviews
    8.3/10 Clients & Experience
    5.3/10 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

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

    4.5/40.0
    0/20 Reviews
    0.5/10 Clients & Experience
    4/10 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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