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Top Smart Contract Development Companies in Berlin

Ratings Updated: August 24, 2026
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8 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 Agents
    10% AI Consulting
    10% Web 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 reviews of SEROKELL highlight their strong technical capabilities and effective project management. Clients praised their academic yet practical approach to complex data problems, resulting in significant improvements in search relevance and system performance. One client noted the seamless integration of SEROKELL's AI engine with their existing infrastructure, while also suggesting earlier finalization of content schemas to enhance efficiency. Overall, feedback reflects a positive sentiment towards SEROKELL's expertise and value for cost.
    Read 1 Recent Review
    4 of 4 Blockchain reviews are 5 stars
    1 new review for Blockchain in past 6 months
    $200,000 – $999,999 avg. project cost

    Blockchain PROJECT HIGHLIGHT

    Smart Contract Audit for Cryptocurrency Payment Platform

    5.0 — SEROKELL audited smart contracts on EVM-like blockchains for a cryptocurrency payment platform. The team provided a full manual code review, static analysis, vulnerability assessment, and detailed Read more
    Read 4 Reviews

    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

    View projects from:

    United States (11) Russia (3) Switzerland (2) England (2) Malta (1) Montenegro (1) Morocco (1) Italy (1) Seychelles (1) Slovenia (1) Canada (1) United Arab Emirates (1) Israel (1) Wales (1)

    This provider is fluent in 3 languages:

    • English
    • German
    • French

    This provider is available in 9 time zones:

    • Greenwich Mean Time (GMT)
    • Central European Time (CET)
    • Central Standard Time (CST)
    • Eastern European Time (EET)
    • Eastern Standard Time (EST)
    • Pacific Standard Time (PST)
    • Mountain Standard Time (MST)
    • Canada Newfoundland Time (CNT)
    View all time zones
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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.

    Read All Reviews

    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)
    View Profile
  • 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 Communicative

    Overall, clients express a positive sentiment regarding TEONITE's communication skills. Multiple reviews highlight their openness and responsiveness. For instance, one client noted that TEONITE is 'open and communicative,' while another emphasized that communication was 'excellent' and crucial for project success. Clients appreciated their collaborative approach, often considering TEONITE an extension of their own teams. However, some feedback suggests that clearer communication regarding technical requirements could enhance the process further.
    • App Dev for News Organization
      4.5 May 16, 2018

      The project was an extremely close and agile collaboration. We valued their opinions and considered them an extension of our team. I spoke with their individual developers – iOS, Android, and backend – on a daily basis. The easy communication between teams helped foster a close partnership I haven’t experienced with other vendors.

      Read Full Review
    • IT Testing for POS Company
      4.0 Oct 1, 2019

      Communication has been good. We’ve been using the usual Google Suite and our own existing Jira ticketing system for managing the sprints and other things.

      Read Full Review
    • Mobile App Dev for Political Research Company
      5.0 Oct 22, 2019

      They’re open and communicative. There have been some delays, but we’ve been to blame for those. We use YouTrack and Basecamp for issue tracking and project management, and we use a Scrum method.

      Read Full Review
    • Predictive Modeling Development for T-Mobile Poland
      5.0 Nov 28, 2018

      They worked well around these parameters and the communication was excellent. Our requirements frequently varied and we’d discuss changes every two weeks. They communicate openly, which is important when working with large B2B companies.

      Read Full Review
    Read All Reviews

    Industry Experience

    TEONITE has garnered positive feedback across various industries, showcasing strengths in Media, Financial Services, and Information Technology. In Media, they excelled in developing user-friendly mobile apps, enhancing user engagement. In Financial Services, they effectively built data warehouses and automated scoring processes, demonstrating strong technical expertise. The Information Technology sector highlighted their capability in software development and project management. Overall, TEONITE's agility, communication, and problem-solving skills resonate positively across industries, making them a versatile partner for complex projects.

    Read All Reviews

    Select Industry to see insights

    Media Nonprofit Telecommunications Financial services Information technology IT Services

    View projects from:

    Poland (6) Germany (3) United States (2)

    Review Rating from Clients

    4.5/5.0

    Quality

    4.5

    Schedule

    4.3

    Cost

    4.0

    Willing to Refer

    5.0

    Local clients highlight teonite’s deep technical knowledge, quick turnaround, and ability to handle diverse projects, from web dashboards to automation solutions, with excellent project management and communication.
    Read Local Reviews
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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)
    View Profile
  • 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

    Recent reviews of Innowise highlight a strong client satisfaction, particularly noting their punctuality and adherence to budget. A CEO from an AI and web development firm praised their 'high willingness to help' and effective project management, stating that deliverables were consistently met on time. Clients emphasize a positive cultural fit and seamless communication, with no suggested areas for improvement, reflecting an overall sentiment of approval and confidence in Innowise's 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

    Average Project Cost Breakdown

    $10,000 to $49,000 (25) $50,000 to $199,999 (17) $200,000 to $999,999 (10) Less than $10,000 (1)

    What Clients Have Said

    Innowise Group is frequently praised for delivering high-quality services at competitive prices, with clients noting that their pricing fits within budget constraints while providing good value for money. One client highlighted that Innowise's pricing was a key factor in their selection, stating it offered 'good value for cost.' Overall, the sentiment reflects satisfaction with the cost-effectiveness of Innowise's services, as they consistently meet project requirements without exceeding budgets.
    Read All Reviews
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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)
    View Profile
  • 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.

    Read more
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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 Well-organized projects

    Clients have praised MeGaDev for their well-organized project management, highlighting their efficiency and timely delivery. One client noted, 'Weekly check-ins and clear milestones helped us stay aligned without slowing us down.' This structured approach contributed to measurable outcomes, including increased user activation and reduced support tickets. Overall, the sentiment reflects strong satisfaction with MeGaDev’s ability to manage projects effectively, ensuring a seamless integration of their work into broader objectives.
    • Web Design for Spend Management Company
      5.0 Jun 24, 2025

      Yes, they were organized and efficient throughout. Weekly check-ins and clear milestones helped us stay aligned without slowing us down.

      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
    2 of 2 Blockchain reviews are 5 stars
    $50,000 – $199,999 avg. project cost

    Blockchain PROJECT HIGHLIGHT

    Web Dev for IT Services Company

    5.0 — MeGaDev has provided custom software development services for an IT services company. They have developed the client's blockchain project. Read more
    Read 2 Reviews

    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

    31.2/40.0
    15.6/20 Reviews
    10/10 Clients & Experience
    5.6/10 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

    18.6/40.0
    18.6/20 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

    38.6/40.0
    18.8/20 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. 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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