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Top Blockchain Companies & Developers in Copenhagen

Ratings Updated: January 18, 2026
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1 Leaders 7 Contenders

8 Companies

Country: Denmark
City: Copenhagen

List of the Top Copenhagen Blockchain Development Companies

  • Featured

    What are Featured Providers?

    Vention Logotype

    Vention

    4.9 98 reviews
    Premier Verified
    $25,000+
    $50 - $99 / hr
    1,000 - 9,999
    Serves Copenhagen, Denmark

    Services provided

    10% Blockchain
    30% Custom Software Development
    10% AI Agents +5 services
    10% AI Development
    10% AR/VR Development
    10% IT Staff Augmentation
    10% Mobile App Development
    10% Web Development

    Vention is a versatile software development company specializing in AI, software development, and staff augmentation. With a consistent record of delivering projects on time and high-quality work, Vention has received overwhelmingly positive feedback from clients (approximately 100% satisfaction), who praise their talented engineers, effective collaboration, and impressive project management. They are noted for their flexibility, responsiveness, and alignment with client needs.

    See all 98 projects

    Reviews mention Passionate about their work

    The overall sentiment regarding iTechArt Group's passion for their work is highly positive. Clients consistently highlight the developers' commitment and enthusiasm, noting instances where team members worked beyond contracted hours to ensure project success. One client remarked, 'iTechArt’s developers are more experienced and passionate about their work,' emphasizing their dedication to building products collaboratively. This passion not only enhances project outcomes but also fosters a strong partnership, making iTechArt a valuable asset in client engagements.
    • Web & Software Development for Online Real Estate Portal
      5.0 Dec 13, 2021

      Compared to other companies I’ve worked with, iTechArt Group’s developers are more experienced and passionate about their work. There are a lot of teammates who make the extra effort and work past contracted hours to deliver for us. It makes our entire partnership work smoothly — iTechArt Group isn’t just there to complete a task, they’re building a product with us.

      Read Full Review
    • App Dev for Security System
      5.0 May 10, 2017

      In terms of passion and what their people are really interested in, iTechArt does a good job of making assignments. They work a lot with startups, which is a more interesting field than working for a bank, for example. They can attract a good level of high-quality engineers, who want to get involved.

      Read Full Review
    Read All Reviews

    Industry Experience

    Vention has demonstrated expertise across diverse industries, including Fintech, IT, Education, Marketing, and Healthcare. In Fintech, they excel in software development and team augmentation, receiving praise for responsiveness and timely deliveries. In IT, clients commend their problem-solving skills and technical proficiency, while in Education, their collaborative approach has improved project outcomes. Overall sentiment is positive, with a consistent emphasis on quality, flexibility, and effective communication across all sectors.

    Read All Reviews

    Select Industry to see insights

    Advertising & marketing Education Business services Financial services Food & Beverage Software eCommerce Healthcare Logistics & Supply Chain Hospitality & leisure Consulting Social Networking Energy & natural resources Wellness & Fitness Transportation IT Services Real estate Media Arts, entertainment & music Utilities Chemicals & Biotechnology Consumer Products Information technology Other Industry

    Average Project Cost Breakdown

    $50,000 to $199,999 (18) $200,000 to $999,999 (17) $10,000 to $49,000 (11) $1,000,000 to $9,999,999 (7) $10,000,000 + (1)

    What Clients Have Said

    Clients consistently report that Vention offers excellent value for money, with pricing fitting within their budgets while delivering high-quality results. For instance, one client highlighted that Vention's pricing was a significant factor in their decision to partner with the company, while another noted a 50% reduction in Salesforce license costs due to Vention's optimizations. Overall, feedback indicates strong satisfaction with Vention’s cost-effectiveness and the quality of service provided.
    Read All Reviews

    View projects from:

    United States (61) England (13) Canada (3) Germany (2) Lithuania (2) Israel (2) Latvia (1) Iceland (1) New Zealand (1) Singapore (1) Spain (1) Sweden (1) France (1) Scotland (1) Cyprus (1)
    View Profile Visit Website
    Innowise Logotype

    Innowise

    4.9 72 reviews
    Premier Verified
    $10,000+
    $50 - $99 / hr
    1,000 - 9,999
    Serves Copenhagen, Denmark

    Services provided

    10% Blockchain
    10% AI Development
    10% AR/VR Development +7 services
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% E-Commerce Development
    10% IT Staff Augmentation
    10% Mobile App Development
    10% Robotics Process Automation
    10% Web Development

    Innowise is a Blockchain Development company noted for its expertise in Blockchain Technology, Smart Contract Development, and Decentralized System Development. Across their reviews, 100% of clients highlight their professionalism, responsiveness, and ability to meet deadlines. Additionally, 80% of reviewers commend their strategic consulting, further emphasizing their depth of expertise and commitment to delivering high-quality blockchain solutions.

    See all 72 projects
    1 of 1 reviews is 5 stars
    Unknown avg. project cost

    Reviewed 1 time in the past 6 months

    In the past six months, client feedback for Innowise has been overwhelmingly positive. A private school president noted their successful creation of a custom database that streamlined reporting processes, highlighting Innowise's strong project management and effective communication. The client appreciated the company’s ability to deliver on time and within budget, especially after transitioning from a previous firm that failed to meet expectations. Overall, clients commend Innowise for their professionalism and cost-effectiveness.
    Read 1 Recent Review
    5 of 5 Blockchain reviews are 5 stars
    $10,000 – $49,000 avg. project cost

    Blockchain PROJECT HIGHLIGHT

    Blockchain & Custom Software Dev for Art Management System

    5.0 — Innowise provided blockchain and custom software development services for an art management system. The team developed the MVP of an art certificate tokenization system, managing front- and backend Read more
    Read 5 Reviews

    Industry Experience

    Innowise Group has demonstrated extensive expertise across various industries, including healthcare, information technology, financial services, and advertising & marketing. Clients praised their technical proficiency, project management skills, and ability to deliver solutions that enhance operational efficiency. Feedback reveals a consistent sentiment of satisfaction, particularly in healthcare and IT services, with notable improvements in workflow and compliance. Businesses in need of software development, data management, or digital transformation in these sectors would benefit significantly from engaging Innowise.

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    Select Industry to see insights

    Design Information technology Advertising & marketing Arts, entertainment & music Software Financial services Energy & natural resources Healthcare Construction Gaming Business services IT Services Consulting Other Industry Consumer Products Telecommunications Human Resources Wellness & Fitness Manufacturing Education

    Berlin, Germany

    63 Kronenstraße
    Berlin, Germany 10117

    16 - 20

    +49 30 520 158 80

    See All Locations (11)
    View Profile Visit Website
    S-PRO Logotype

    S-PRO

    4.9 46 reviews
    Verified
    $25,000+
    $25 - $49 / hr
    50 - 249
    Serves Copenhagen, Denmark

    Services provided

    10% Blockchain
    35% Web Development
    25% AI Development +4 services
    15% Mobile App Development
    10% Custom Software Development
    3% AI Consulting
    2% IT Strategy Consulting

    S-PRO is a company specializing in Blockchain Development and custom software solutions. Reviews indicate a high level of satisfaction, with 100% of clients highlighting their professionalism and reliability. Clients appreciate S-PRO's flexibility and communication, though some suggest improvements in project management transparency. Overall, S-PRO's commitment to delivering quality and integrating with client teams is consistently praised.

    See all 46 projects

    Industry Experience

    S-PRO has demonstrated expertise across various industries, notably in Financial Services, Software, Consulting, and Healthcare. In Financial Services, clients praised their robust development of fintech solutions, highlighting responsiveness and innovation. In Software, they were commended for custom app development and design quality. Consulting firms valued S-PRO’s strategic insights for system integrations. Overall, clients express strong satisfaction with S-PRO's technical capabilities, communication, and project management, making them a suitable choice for industries requiring tailored digital solutions.

    Read All Reviews

    Select Industry to see insights

    Energy & natural resources Advertising & marketing Consulting Financial services Software Healthcare Real estate Business services Food & Beverages Retail Nonprofit IT Services Arts, entertainment & music Telecommunications Utilities Environmental Services Information technology Media Manufacturing Human Resources Consumer Products Sports

    Average Project Cost Breakdown

    $50,000 to $199,999 (17) $10,000 to $49,000 (13) $200,000 to $999,999 (9) Less than $10,000 (3) $1,000,000 to $9,999,999 (1)

    What Clients Have Said

    S-PRO is frequently praised for offering good value for money, with clients noting their competitive pricing relative to the quality of service provided. For instance, one client highlighted that S-PRO delivered great results within budget constraints, while another remarked on their flexibility and responsiveness to project needs. Overall sentiment reflects satisfaction with the cost-effectiveness of their services, as multiple clients indicated that S-PRO's pricing was reasonable given the high caliber of their work.
    Read All Reviews

    More responsive than most other service providers

    S-PRO 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:

    United States (9) Germany (5) England (5) Switzerland (3) Canada (3) Australia (3) France (2) Ireland (2) Norway (2) Ukraine (2) Latvia (1) Poland (1) Lithuania (1) Jordan (1)
    View Profile Visit Website
  • ERRNA Logotype

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

    Services provided

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

    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

    Hellerup, Denmark

    100 Strandvejen
    Hellerup, Denmark 2900

    2 - 5

    +1-435-800-0086

    See All Locations (15)
    View Profile
  • yellow3 Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Hørsholm, Denmark

    Services provided

    100% Blockchain

    Yellow3, a Blockchain company, was founded in 2022. In Miami, Florida and Hørsholm, Denmark, the team provides Blockchain.

    Read more

    Hørsholm, Denmark

    Hovedgaden 43
    Hørsholm, Denmark 2970

    1

    See All Locations (1)
    View Profile

  • Featured

    What are Featured Providers?

    RedDuck Logotype

    RedDuck

    5.0 13 reviews
    Verified
    $10,000+
    $50 - $99 / hr
    10 - 49
    Serves Copenhagen, Denmark

    Services provided

    100% Blockchain

    RedDuck is a blockchain development company specializing in delivering comprehensive blockchain solutions, including smart contract development, distributed ledger technology, and decentralized application (DApp) development. Clients consistently praise their technical precision, proactive communication, and ability to deliver projects on time, with a 100% satisfaction rate highlighted across multiple reviews. Their expertise in blockchain technology and strategic product development is noteworthy.

    See all 13 projects

    Reviews mention Efficient

    Clients consistently praise RedDuck for their efficiency and timely delivery of projects. One CEO noted that the team provided an 'impeccable experience and deliverable product in extremely timely manner,' highlighting their organizational skills. Another client emphasized their 'smart and efficient' approach, which contributed to enhancing the product. Overall, the sentiment surrounding efficiency is overwhelmingly positive, with no identified areas for improvement.
    • Smart Contract Development for Blockchain Company
      5.0 May 17, 2023

      Mark and his team delivered an impeccable experience and deliverable product in an extremely timely manner. These guys were the best! Smart and efficient they brought great ideas to make our product even better! How organized and efficient they are.

      Read Full Review
    Read All Reviews
    5 of 5 Blockchain reviews are 5 stars
    2 new reviews for Blockchain in past 6 months
    $50,000 – $199,999 avg. project cost

    Blockchain PROJECT HIGHLIGHT

    Blockchain Development for FinTech Company

    5.0 — RedDuck developed a DeFi platform for a financial technology company. The team built the client's smart contracts, backend infrastructure, frontend app, user dashboard, landing website, and a Read more
    Read 5 Reviews

    Average Project Cost Breakdown

    $50,000 to $199,999 (5) $10,000 to $49,000 (1)

    What Clients Have Said

    Clients consistently praised RedDuck for offering excellent value for money and fitting within their budgetary constraints. One client noted their 'good value for cost' and another highlighted that their pricing 'fit our budget.' Overall sentiment reflects satisfaction with the company's pricing relative to the quality of services provided, with multiple reviews emphasizing timely delivery and effective project management as key aspects of their positive experience.
    Read All Reviews

    View projects from:

    Germany (1) India (1) South Africa (1) Thailand (1) Ukraine (1) United States (1) England (1)
    View Profile Visit Website
  • Copenhagen Fintech Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    København, Denmark

    Services provided

    50% Blockchain
    50% Business Consulting

    Small Blockchain and Business Consulting company Copenhagen Fintech, is based in København, Denmark. The team specializes in Blockchain and Business Consulting.

    Read more
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  • Geotech Infoservices Denmark ApS Logotype

    Not yet reviewed

    $25,000+
    $50 - $99 / hr
    50 - 249
    København, Denmark

    Services provided

    20% Blockchain
    20% Custom Software Development
    20% IT Staff Augmentation +2 services
    20% Mobile App Development
    20% Web Development

    Geotech Infoservices Denmark ApS, an IT staff augmentation company, was founded in 2002. The midsize team offers IT staff augmentation and Custom Software Development.

    Read more
    View Profile
  • Adapt agency Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    50 - 249
    København, Denmark

    Services provided

    10% Blockchain
    30% Web Development
    20% Custom Software Development +3 services
    20% E-Commerce Development
    10% UX/UI Design
    10% Web Design

    Adapt agency is a web development firm headquartered in Boston, Massachusetts and København, Denmark. Established in 1998, the team provides Web Development and Custom Software Development.

    Read more

    København, Denmark

    Langebrogade 6E, 2nd floor
    København, Denmark 1411

    76 - 100

    +45 33 41 10 50

    See All Locations (3)
    View Profile
  • Blocktech Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    København, Denmark

    Services provided

    50% Blockchain
    50% Custom Software Development

    Based in København, Denmark, Blocktech is a small custom software development company and Blockchain company. Their services include Custom Software Development and Blockchain.

    Read more
    View Profile
  • Software Alliance Logotype

    4.8 2 reviews
    $10,000+
    $50 - $99 / hr
    50 - 249
    Køge, Denmark

    Services provided

    20% Blockchain
    30% Custom Software Development
    10% AI Development +4 services
    10% AR/VR Development
    10% E-Commerce Development
    10% Mobile App Development
    10% Web Development

    Software Alliance is a comprehensive software development company, providing services such as game engine prototyping, UX design, backend development, web services, mobile applications, and Chrome extensions. Feedback from clients indicates a high level of satisfaction with their efficient project management, direct communication, and ability to deliver quality solutions on time. Approximately 100% of reviewers highlight their adaptability, creativity, and relentless engagement.

    See all 2 projects

    More responsive than most other service providers

    Software Alliance is very responsive

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

    Køge, Denmark

    40 Lyngvej
    Køge, Denmark 4600

    6 - 9

    +4528403173

    See All Locations (1)
    View Profile
  • Twentyfour Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    København, Denmark

    Services provided

    25% Blockchain
    25% Mobile App Development
    25% Robotics Process Automation +1 service
    25% Web Development

    Twentyfour is a web development firm launched in 2010. The firm focuses on Web Development and Mobile App Development.

    Read more
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1 ERRNA

List of the Top 1 Copenhagen Blockchain Development Companies

  1. ERRNA Logotype

    ERRNA

    $5,000+
    < $25 / hr
    1,000 - 9,999
    San Jose, CA

    Ability to deliver

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

    Service focus

    60% Blockchain
    40% Other
    View Profile Visit Website
  2. yellow3 Logotype

    yellow3

    Undisclosed
    Undisclosed
    10 - 49
    Miami, FL

    Ability to deliver

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

    Service focus

    100% Blockchain
    View Profile Visit Website
  3. Copenhagen Fintech Logotype

    Copenhagen Fintech

    Undisclosed
    Undisclosed
    10 - 49
    København, Denmark

    Ability to deliver

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

    Service focus

    50% Blockchain
    50% Other
    View Profile Visit Website
  4. Geotech Infoservices Denmark ApS Logotype

    Geotech Infoservices Denmark ApS

    $25,000+
    $50 - $99 / hr
    50 - 249
    København, Denmark

    Ability to deliver

    4/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4/10 Market Presence

    Service focus

    20% Blockchain
    80% Other
    View Profile Visit Website
  5. Adapt agency Logotype

    Adapt agency

    $5,000+
    $100 - $149 / hr
    50 - 249
    Boston, MA

    Ability to deliver

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

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website
  6. Blocktech Logotype

    Blocktech

    Undisclosed
    Undisclosed
    2 - 9
    København, Denmark

    Ability to deliver

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

    Service focus

    50% Blockchain
    50% Other
    View Profile Visit Website
  7. Software Alliance Logotype

    Software Alliance

    $10,000+
    $50 - $99 / hr
    50 - 249
    Lahore, Pakistan

    Ability to deliver

    14.7/40.0
    0/20 Reviews
    9.6/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    20% Blockchain
    80% Other
    View Profile Visit Website
  8. Twentyfour Logotype

    Twentyfour

    Undisclosed
    Undisclosed
    10 - 49
    København, Denmark

    Ability to deliver

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

    Service focus

    25% Blockchain
    75% Other
    View Profile Visit Website

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