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Top Smart Contract Development Companies in Hamburg

Ratings Updated: October 3, 2026
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4 Companies

Country: Germany
City: Hamburg
Blockchain Focus: Smart Contract Development

List of the Top Hamburg Smart Contract Developers

  • UASOFTDEV Logotype

    5.0 10 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    Hamburg, Germany

    Services provided

    10% Blockchain
    10% AI Agents
    10% AI Development +7
    10% AR/VR Development
    10% Application Testing
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% E-Commerce Development
    10% Generative AI
    10% IT Staff Augmentation

    Focus Areas

    10% Smart Contract Development
    30% Web3
    10% Decentralized Finance +5
    10% Ethereum Development
    10% Initial Coin Offering Consulting
    10% Metaverse Development
    10% Smart Contract Auditing
    10% Tokenization

    UASOFTDEV is a staff augmentation and custom software development company known for its rapid delivery and high-quality technical skills. Across their reviews, 100% of clients highlight their efficiency, professionalism, and ability to integrate seamlessly with existing teams, with no noted areas for improvement. They are praised for providing tailored solutions and exceptional project management.

    See all 10 projects

    Reviews mention Customized support

    UASOFTDEV received high praise for their customized support, with clients noting their deep understanding of specific development environments and the creation of tailored solutions. One client highlighted their impressive ability to integrate custom AI models seamlessly into existing workflows, rather than relying on generic tools. Additionally, their project management was commended for effective communication and responsiveness to feedback, ensuring that all deliverables were completed on schedule.
    • AI Model Development for Data Company
      5.0 Aug 29, 2025

      Their project management was highly effective. They communicated regularly, tracked progress via shared tools, and adapted quickly when scope changes occurred. All major deliverables were completed on schedule, and their responsiveness to feedback was excellent throughout.

      Read Full Review
    Read All Reviews
    1 of 1 reviews is 5 stars
    $50,000 – $199,999 avg. project cost

    Reviewed 1 time in the past 6 months

    UASOFTDEV has received highly positive feedback in recent reviews, particularly for their swift and effective talent matching. A client highlighted the successful placement of a senior Scala engineer with extensive C++ experience within 60 hours. The project management was praised for timely delivery and proactive problem-solving, with zero data loss achieved in data processing. Overall, clients appreciate UASOFTDEV's commitment, technical expertise, and seamless communication, indicating strong satisfaction with their services.
    Read 1 Recent Review

    Average Project Cost Breakdown

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

    What Clients Have Said

    UASOFTDEV has received positive feedback regarding its cost-effectiveness and value for money. Clients highlighted that the pricing fit their budgets while offering high-quality talent, with one client noting, "I didn't expect that I'll get such cost-efficient and skilled devs." Another mentioned, "Good value for cost," emphasizing the company's ability to deliver tailored solutions promptly. Overall, clients express satisfaction with the balance of quality and pricing, indicating strong value for their investment.
    Read All Reviews

    Hamburg, Germany

    Ruwoldtweg 15
    Hamburg, Germany 22309

    2 - 5

    Hamburg, Germany

    Bei Sankt Annen 2
    Hamburg, Germany 20457

    2 - 5

    See All Locations (17)
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  • CHAINSTEP Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Hamburg, Germany

    Services provided

    40% Blockchain
    20% IoT Development
    10% Business Consulting +3
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% Web Development

    Focus Areas

    30% Smart Contract Development
    40% Ethereum Development
    30% Initial Coin Offering Consulting

    Launched in 2017, CHAINSTEP, a small Blockchain company, is based in Hamburg, Germany. Their team offers Blockchain and IoT development.

    Read more
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  • BLOCKCHANCE® Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Hamburg, Germany

    Services provided

    50% Blockchain
    20% Event Marketing
    10% Event Management +2
    10% Marketing Strategy
    10% Public Relations

    Focus Areas

    30% Smart Contract Development
    50% Ethereum Development
    20% Initial Coin Offering Consulting

    Blockchain company BLOCKCHANCE® is based in Hamburg, Germany. They provide Blockchain and Event Marketing and were founded in 2017.

    Read more
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  • Blockchain Solutions Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Hamburg, Germany

    Services provided

    40% Blockchain
    20% BI & Big Data Consulting & SI
    20% IoT Development +2
    10% Business Consulting
    10% IT Strategy Consulting

    Focus Areas

    30% Smart Contract Development
    50% Ethereum Development
    20% Initial Coin Offering Consulting

    Blockchain Solutions is a Blockchain company. Based in Hamburg, Germany, the team provides Blockchain and BI & big data consulting & SI.

    Read more
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1 UASOFTDEV

List of the Top 1 Hamburg Smart Contract Developers

  1. UASOFTDEV Logotype

    UASOFTDEV

    $10,000+
    $25 - $49 / hr
    10 - 49
    Hamburg, Germany

    Ability to deliver

    24.5/40.0
    17/20 Reviews
    2.9/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    10% Blockchain
    10% Smart Contract Development
    90% Other
    View Profile Visit Website
  2. CHAINSTEP Logotype

    CHAINSTEP

    Undisclosed
    Undisclosed
    10 - 49
    Hamburg, Germany

    Ability to deliver

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

    Service focus

    40% Blockchain
    30% Smart Contract Development
    60% Other
    View Profile Visit Website
  3. BLOCKCHANCE® Logotype

    BLOCKCHANCE®

    Undisclosed
    Undisclosed
    10 - 49
    Hamburg, Germany

    Ability to deliver

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

    Service focus

    50% Blockchain
    30% Smart Contract Development
    50% Other
    View Profile Visit Website
  4. Blockchain Solutions Logotype

    Blockchain Solutions

    Undisclosed
    Undisclosed
    2 - 9
    Hamburg, Germany

    Ability to deliver

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

    Service focus

    40% Blockchain
    30% Smart Contract Development
    60% Other
    View Profile Visit Website

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Specialties

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