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Top Smart Contract Development Companies in Berlin

Ratings Updated: October 23, 2026
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9 Companies

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

List of the Top Berlin Smart Contract Developers

  • SEROKELL Logotype

    4.9 34 reviews
    Verified
    $10,000+
    $50 - $99 / hr
    50 - 249
    Berlin, Germany

    Services provided

    20% Blockchain
    30% AI Development
    20% Custom Software Development +3
    10% AI Consulting
    10% DevOps Managed Services
    10% IoT Development

    Focus Areas

    20% Smart Contract Development
    20% Ethereum Development
    10% Decentralized Finance +5
    10% Initial Coin Offering Consulting
    10% Metaverse Development
    10% Smart Contract Auditing
    10% Tokenization
    10% Web3

    SEROKELL is a distinguished company specializing in Blockchain Development, offering services such as Smart Contract Development and Decentralized System Development. Approximately 90% of reviews highlight their technical expertise, flexibility, and timely deliverables, with exceptional feedback on their ability to adapt to changing requirements and provide insightful blockchain solutions. Reviewers consistently commend their professionalism and strong problem-solving skills.

    See all 34 projects
    1 of 1 reviews is 5 stars
    $50,000 – $199,999 avg. project cost

    Reviewed 1 time in the past 6 months

    Recent client feedback highlights SEROKELL's strong technical expertise and effective project management. They successfully developed a customized AI search engine that integrated seamlessly with existing systems, significantly improving search relevance metrics. Clients praised SEROKELL for their structured approach and ability to meet deadlines while adapting to evolving project requirements. However, some noted that earlier finalization of data schemas could have accelerated the development process. Overall, the sentiment is highly positive regarding SEROKELL's capabilities and collaboration.
    Read 1 Recent Review
    3 of 3 Smart Contract Development reviews are 5 stars
    1 new review for Smart Contract Development in past 6 months
    $200,000 – $999,999 avg. project cost

    Smart Contract Development Experience

    SEROKELL has received overwhelmingly positive feedback in the Smart Contract Development service, with clients highlighting their deep blockchain expertise and adaptability to changing project requirements. 100% of reviewers noted timely delivery and effective communication, while 75% praised their problem-solving capabilities. Notably, clients appreciated the company's proactive sharing of knowledge and security-focused development approach, achieving successful audits without any reported security issues. The overall sentiment is highly favorable, reinforcing SEROKELL's reputation as a reliable partner in the blockchain space.

    Read Most Recent Review

    Industry Experience

    SEROKELL has garnered positive feedback across various industries, particularly in Information Technology, Financial Services, and Non-Profit sectors. Clients praised their expertise in developing complex AI and machine learning solutions, smart contract audits, and custom software development. Notable strengths include their strong technical capabilities, responsive project management, and proactive communication. Overall sentiment is highly favorable, indicating SEROKELL is well-suited for projects involving advanced technology and financial applications.

    Read All Reviews

    Select Industry to see insights

    Other Industry Nonprofit Information technology Non-profit Software Chemicals & Biotechnology Manufacturing Sports Arts, entertainment & music Media Business services Financial services Government Agriculture IT Services Transportation

    Berlin, Germany

    76/77 Rheinsberger Straße
    Berlin, Germany 10115

    1

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  • ERRNA Logotype

    4.8 2 reviews
    $5,000+
    < $25 / hr
    1,000 - 9,999
    Berlin, Germany

    Services provided

    60% Blockchain
    10% Cybersecurity
    10% Marketing Strategy +2
    10% Mobile App Development
    10% Web Design

    Focus Areas

    20% Smart Contract Development
    20% Ethereum Development
    20% Initial Coin Offering Consulting +2
    20% Metaverse Development
    20% Web3

    ERRNA offers services including Blockchain Development, Smart Contract Development, and Decentralized Application (DApp) Development. The client feedback highlights ERRNA's ability to deliver secure and effective blockchain solutions on time and within budget. Clients appreciate their professionalism, project management, and the high quality of their developed applications.

    See all 2 projects

    Industry Experience

    ERRNA has received positive feedback primarily from the education industry, with clients highlighting their strengths in product development and project management. Their expertise in managing product roadmaps and backlog prioritization has been beneficial for educational platforms like MyTutor. Overall sentiment reflects strong satisfaction, particularly in communication and alignment with client values, making ERRNA a suitable choice for projects focused on educational technology and development.

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    Select Industry to see insights

    Education

    Average Project Cost Breakdown

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

    What Clients Have Said

    Clients have expressed satisfaction with ERRNA's pricing structure, highlighting it as a good fit for their budget and noting the overall value for money. One client emphasized that the company aligned with their values and provided effective project management. Additionally, the quality of team communication and transparency was praised, reinforcing the perception of ERRNA as a cost-effective choice for product development needs.
    Read All Reviews

    Berlin, Germany

    17 Schumannstraße
    Berlin, Germany 10117

    2 - 5

    +1-435-800-0086

    See All Locations (33)
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  • teonite Logotype

    4.8 11 reviews
    $10,000+
    $100 - $149 / hr
    10 - 49
    Berlin, Germany

    Services provided

    10% Blockchain
    35% Custom Software Development
    10% AI Development +6
    10% Product Design
    10% UX/UI Design
    10% Web Development
    5% Architectural Design
    5% IT Strategy Consulting
    5% Mobile App Development

    Focus Areas

    80% Smart Contract Development
    15% Ethereum Development
    5% Initial Coin Offering Consulting

    Teonite is a versatile software development company offering services in data warehousing, mobile and web applications, machine learning, and custom software solutions. The company has received overwhelmingly positive feedback, with clients praising their expertise, professionalism, and proactive problem-solving approach. Approximately 90% of reviewers commend their project management skills, while about 80% highlight their ability to deliver projects on time and within budget. Teonite is particularly noted for integrating seamlessly with clients' teams and offering insightful recommendations.

    See all 11 projects

    Reviews mention Exceptional results

    TEONITE has received exceptional feedback for their ability to deliver high-quality results, as noted by a CTO of a construction technology company. The client praised their autonomy, timely delivery, and strong programming skills, particularly in UI development. They emphasized TEONITE's eagerness to solve problems and their alignment with project expectations. Overall, the sentiment reflects satisfaction with TEONITE's performance, despite minor challenges in stakeholder communication.
    • Web Development for Construction Technology Company
      4.5 Oct 1, 2019

      They’re eager to solve problems. They know how to make a project successful and have excellent programming skills, especially for the UI software parts. They’re quite focused on what you want.

      Read Full Review
    Read All Reviews

    Average Project Cost Breakdown

    $50,000 to $199,999 (4) $10,000 to $49,000 (2) $200,000 to $999,999 (2)

    What Clients Have Said

    TEONITE is perceived as offering good value for money, with clients reporting satisfaction with their investment. A political research company noted an investment of $25,000–$50,000, leading to positive user feedback on their app. A software company spent €700,000, highlighting TEONITE's proactive engagement and reliability. Overall, clients appreciate their expertise and problem-solving abilities, although some noted the importance of clear communication regarding project expectations to maximize value.
    Read All Reviews

    Berlin, Germany

    76 Rheinsberger Straße
    Berlin, Germany 10115

    21 - 30

    +48509895529

    See All Locations (2)

    Review Rating from Clients

    4.5/5.0

    Quality

    4.5

    Schedule

    4.3

    Cost

    4.0

    Willing to Refer

    5.0

    Reviewers in Berlin emphasize teonite’s ability to handle varied, technically complex work, from integrating automated tests with iOS apps to building an extensible dashboard connected to a statistics service. They cite quick turnaround, effective collaboration, and results that met or exceeded expectations.
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  • Creatix Technologies Logotype

    5.0 2 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Berlin, Germany

    Services provided

    30% Blockchain
    20% Web Development
    15% Custom Software Development +4
    10% E-Commerce Development
    10% Mobile App Development
    10% UX/UI Design
    5% DevOps Managed Services

    Focus Areas

    15% Smart Contract Development
    45% Ethereum Development
    30% Web3 +1
    10% Metaverse Development

    Creatix Technologies is a web and mobile UI development company that excels in database optimization and backend improvements. The company is praised for its timely delivery and effective communication, with 100% of reviews highlighting their adaptability and smooth collaboration. Clients appreciate their ease of integration and commendable project management skills.

    See all 2 projects

    Industry Experience

    Creatix Technologies has demonstrated expertise primarily in the construction industry, receiving positive feedback for their effective project management, timely delivery, and strong communication skills. Clients noted their strengths in UI implementation, database optimization, and overall value for cost. The overall sentiment reflects satisfaction and a strong culture fit, making them a suitable choice for similar projects within construction and possibly other related sectors requiring robust digital solutions.

    Read All Reviews

    Select Industry to see insights

    Construction

    Average Project Cost Breakdown

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

    What Clients Have Said

    Clients have noted Creatix Technologies as providing good value for cost, with one co-founder highlighting their selection due to high ratings and cultural fit. They appreciated the company's timely delivery and responsiveness to project needs, indicating that the overall sentiment is positive regarding the cost-effectiveness of their services. No specific areas for improvement were mentioned, reinforcing the perception of satisfactory value in their offerings.
    Read All Reviews

    Berlin, Germany

    163 Schönhauser Allee
    Berlin, Germany 10435

    2 - 5

    +4917621048349

    See All Locations (2)
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  • Innowise Logotype

    4.9 73 reviews
    $10,000+
    $50 - $99 / hr
    1,000 - 9,999
    Berlin, Germany

    Services provided

    10% Blockchain
    10% AI Agents
    10% AI Consulting +7
    10% AI Development
    10% BI & Big Data Consulting & SI
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% Cybersecurity
    10% IT Staff Augmentation
    10% Mobile App Development

    Focus Areas

    60% Smart Contract Development
    25% Ethereum Development
    15% Initial Coin Offering Consulting

    Innowise is a blockchain development company excelling in blockchain technology, smart contract development, and decentralized system development. Their reviews reveal a strong emphasis on professionalism, timely delivery, and technical expertise, with over 80% of clients highlighting their impressive blockchain capabilities and project management. Clients appreciate their responsible approach and ability to integrate seamlessly into existing teams.

    See all 73 projects
    1 of 1 reviews is 5 stars
    $10,000 – $49,000 avg. project cost

    Reviewed 1 time in the past 6 months

    Innowise has received positive feedback from clients in the last six months, highlighting their punctuality and budget adherence. One CEO noted their impressive willingness to assist in various situations and described the collaboration as a great cultural fit. The project's success was marked by the timely delivery of a web product that integrated social media applications. Overall, clients express satisfaction with Innowise's responsiveness and project management capabilities.
    Read 1 Recent Review
    2 of 2 Smart Contract Development reviews are 5 stars
    $10,000 – $49,000 avg. project cost

    Smart Contract Development Experience

    Innowise consistently receives positive feedback for their Smart Contract Development services, with 100% of reviewers noting timely project delivery and high-quality outputs. Clients highlight Innowise's expertise in Solidity smart contracts, responsiveness, and ability to understand complex requirements. Key strengths include effective project management and strong communication. Reviewers specifically commend their capability in integrating blockchain features and KYC systems, with no noted areas for improvement, indicating a strong overall sentiment towards their services.

    Read Most Recent Review

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    United States (15) Germany (11) Italy (6) England (4) Switzerland (4) Israel (3) Estonia (3) Luxembourg (2) France (2) Ireland (2) Lithuania (1) Qatar (1) Armenia (1) Finland (1) New Zealand (1) Norway (1) Poland (1) Georgia (1) South Africa (1) Sweden (1) Denmark (1) Thailand (1) Belarus (1) Bosnia and Herzegovina (1)

    Berlin, Germany

    63 Kronenstraße
    Berlin, Germany 10117

    16 - 20

    +49 30 520 158 80

    See All Locations (23)
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  • Konfidio Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Berlin, Germany

    Services provided

    40% Blockchain
    50% Blockchain Marketing
    10% IoT Development

    Focus Areas

    70% Smart Contract Development
    30% Initial Coin Offering Consulting

    Konfidio is a small Berlin, Germany-based Blockchain Marketing company. Their services include Blockchain Marketing and Blockchain.

    Read more

    Berlin, Germany

    Ulmenallee 16
    Berlin, Germany 14050

    6 - 9

    +49.308.891.6700

    Berlin, Germany

    Schlüterstraße 55
    Berlin, Germany 10629

    6 - 9

    See All Locations (2)
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  • Gnosis Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Berlin, Germany

    Services provided

    50% Blockchain
    50% Blockchain Marketing

    Focus Areas

    30% Smart Contract Development
    30% Ethereum Development
    30% Web3 +1
    10% Tokenization

    Established in 2017, Gnosis, a midsize Blockchain and Blockchain Marketing company, is located in Berlin, Germany. Their services include Blockchain and Blockchain Marketing.

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  • UASOFTDEV Logotype

    5.0 11 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    Berlin, 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 11 projects

    Reviews mention Great team

    UASOFTDEV has received positive feedback regarding the quality of their team. A client noted that UASOFTDEV provided quality staff who quickly became productive, resolving critical backlogs and delivering solid results shortly after onboarding. The client praised UASOFTDEV's project management as top-class and emphasized their impressive team composition. Overall, the sentiment reflects strong satisfaction with UASOFTDEV's capabilities, with no suggested areas for improvement.
    • Staff Augmentation & Web Development for IT Services Company
      5.0 Jun 24, 2025

      UASOFTDEV has provided quality staff that quickly gets up and running. After a few days of onboarding, the team has started delivering solid results and resolved the critical backlog of issues. UASOFTDEV has a quality team.

      Read Full Review
    Read All Reviews
    2 of 2 reviews are 5 stars
    $10,000 – $49,000 avg. project cost

    Reviewed 2 times in the past 6 months

    UASOFTDEV has received highly positive feedback in recent reviews, highlighting their exceptional communication, timely project delivery, and effective problem-solving capabilities. Clients praised UASOFTDEV for providing well-matched candidates with the necessary technical skills, such as a senior Scala engineer with extensive C++ experience, achieving significant project outcomes like a 70–80% reduction in data errors. Overall, clients express satisfaction with the engagement process and note no areas for improvement.
    Read 2 Recent Reviews

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    Ukraine (2) Bulgaria (1) Cyprus (1) Germany (1) England (1)

    Berlin, Germany

    2 Goethestraße
    Berlin, Germany 10623

    1

    Berlin, Germany

    Friedrichstraße 171
    Berlin, Germany 10117

    1

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  • MeGaDev Logotype

    5.0 6 reviews
    $5,000+
    $25 - $49 / hr
    50 - 249
    Berlin, Germany

    Services provided

    10% Blockchain
    30% Custom Software Development
    25% AI Development +2
    20% ERP Consulting and SI
    15% Web Development

    Focus Areas

    25% Smart Contract Development
    25% Decentralized Finance
    25% Smart Contract Auditing +2
    15% Ethereum Development
    10% Web3

    MeGaDev is a Blockchain Development company specializing in Blockchain Technology and Smart Contract Development. With 100% positive feedback, clients commend their professionalism and exceptional project management. Notably, 50% of reviewers highlight their ability to meet deadlines and 100% appreciate their effective communication and cultural fit.

    See all 6 projects

    Reviews mention Great team

    Clients consistently commend MeGaDev for their exceptional team dynamics and communication skills. One CEO highlighted their 'fantastic' communication and noted the 'great culture and relationship' established during their blockchain project collaboration. The positive sentiment reflects a strong fit between client expectations and MeGaDev's team capabilities, with no reported areas for improvement, reinforcing their reputation as a reliable tech partner.
    • Web Dev for IT Services Company
      5.0 Jun 12, 2023

      We mostly communicate with the BDM and development team. Their communication skills are fantastic. Great culture and relationship.

      Read Full Review
    Read All Reviews
    1 of 1 Smart Contract Development reviews is 5 stars
    Less than $10,000 avg. project cost

    Smart Contract Development Experience

    Overall feedback for MeGaDev's Smart Contract Development service highlights a strong reputation, with 100% of reviewers expressing satisfaction. Key strengths include exceptional communication, reliability as a tech partner, and a strong cultural fit, as noted by clients. Reviewers valued their expertise in blockchain projects, specifically in the DeFi niche, and reported successful project outcomes. There were no negative comments regarding their performance, indicating a consistently positive client experience.

    Read Most Recent Review

    View projects from:

    Switzerland (2) United States (1)

    Berlin, Germany

    85 Fasanenstraße
    Berlin, Germany 10623

    1

    See All Locations (6)
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1 ERRNA
2 teonite
3 Creatix Technologies
4 Innowise
5 SEROKELL

List of the Top 5 Berlin Smart Contract Developers

  1. ERRNA Logotype

    ERRNA

    $5,000+
    < $25 / hr
    1,000 - 9,999
    Berlin, Germany

    Ability to deliver

    32.9/40.0
    16.2/20 Reviews
    9.7/10 Clients & Experience
    7/10 Market Presence

    Service focus

    60% Blockchain
    20% Smart Contract Development
    40% Other
    View Profile Visit Website
  2. teonite Logotype

    teonite

    $10,000+
    $100 - $149 / hr
    10 - 49
    Berlin, Germany

    Ability to deliver

    29.8/40.0
    15.6/20 Reviews
    10/10 Clients & Experience
    4.2/10 Market Presence

    Service focus

    10% Blockchain
    80% Smart Contract Development
    90% Other
    View Profile Visit Website
  3. Creatix Technologies Logotype

    Creatix Technologies

    $5,000+
    $25 - $49 / hr
    10 - 49
    Berlin, Germany

    Ability to deliver

    26.5/40.0
    16.2/20 Reviews
    5.2/10 Clients & Experience
    5.1/10 Market Presence

    Service focus

    30% Blockchain
    15% Smart Contract Development
    70% Other
    View Profile Visit Website
  4. Innowise Logotype

    Innowise

    $10,000+
    $50 - $99 / hr
    1,000 - 9,999
    Berlin, Germany

    Ability to deliver

    18.2/40.0
    18.2/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    10% Blockchain
    60% Smart Contract Development
    90% Other
    View Profile Visit Website
  5. SEROKELL Logotype

    SEROKELL

    $10,000+
    $50 - $99 / hr
    50 - 249
    Berlin, Germany

    Ability to deliver

    38.2/40.0
    18.4/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    20% Blockchain
    20% Smart Contract Development
    80% Other
    View Profile Visit Website
  6. Konfidio Logotype

    Konfidio

    Undisclosed
    Undisclosed
    10 - 49
    Berlin, Germany

    Ability to deliver

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

    Service focus

    40% Blockchain
    70% Smart Contract Development
    60% Other
    View Profile Visit Website
  7. Gnosis Logotype

    Gnosis

    Undisclosed
    Undisclosed
    50 - 249
    Berlin, 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
  8. UASOFTDEV Logotype

    UASOFTDEV

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

    Ability to deliver

    23.9/40.0
    17.6/20 Reviews
    2.9/10 Clients & Experience
    3.4/10 Market Presence

    Service focus

    10% Blockchain
    10% Smart Contract Development
    90% Other
    View Profile Visit Website
  9. MeGaDev Logotype

    MeGaDev

    $5,000+
    $25 - $49 / hr
    50 - 249
    Berlin, Germany

    Ability to deliver

    16.6/40.0
    16.6/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    10% Blockchain
    25% Smart Contract Development
    90% Other
    View Profile Visit Website

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Specialties

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