Top Blockchain Companies & Developers in Copenhagen

Ratings Updated: May 26, 2026

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2 Leaders 7 Contenders

9 Companies

Country: Denmark

City: Copenhagen

List of the Top Copenhagen Blockchain Development Companies

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Nextrope

5.0 18 reviews
Premier Verified

$25,000+

$50 - $99 / hr

10 - 49

Serves Copenhagen, Denmark

Services provided

70% Blockchain

30% Custom Software Development

Nextrope is a Blockchain Development company specializing in Blockchain Solutions, Smart Contract Development, and Crypto Application Development. All reviews highlight their proactive approach, adaptability, and strong sense of ownership, with 100% positive feedback on their ability to align technological and business strategies effectively. Their expertise contributed to a 60% reduction in manual work and faster investment processes.

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RedDuck

5.0 13 reviews

$5,000+

$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.

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Infograins Software Solutions

4.9 89 reviews

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Premier Verified

$5,000+

$50 - $99 / hr

250 - 999

Køge, Denmark

Services provided

30% Blockchain

20% AI Development

15% Custom Software Development +3 services

15% Mobile App Development

10% IT Staff Augmentation

10% Web Development

Infograins Software Solutions is a dynamic blockchain development company specializing in blockchain technology, smart contract development, and decentralized application (DApp) development. Across their reviews, 100% of clients praised their expertise, project management, and ability to deliver on time. Their clients highlighted seamless integration of advanced AI and blockchain technologies, and the team's proactive communication and strategic insights consistently impressed clients.

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ERRNA

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.

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Copenhagen Fintech

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.
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Geotech Infoservices Denmark ApS

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.
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Adapt agency

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.
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Blocktech

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.
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Twentyfour

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.
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yellow3

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.
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Software Alliance

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.

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Ability to deliver

Focus

Proven

Market Leaders

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Niche

Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 ERRNA

2 Infograins Software Solutions

A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.

By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More

Focus (x-axis)

Focus accounts for a company’s specialization within a certain service.

Ability to Deliver (y-axis)

Ability to Deliver considers three criteria:

Client feedback and reviews
Work experience and previous projects
Market presence and reputation in the industry

List of the Top 2 Copenhagen Blockchain Development Companies

ERRNA

$5,000+

< $25 / hr

1,000 - 9,999

Hellerup, Denmark

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

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Infograins Software Solutions

$5,000+

$50 - $99 / hr

250 - 999

Køge, Denmark

Ability to deliver

39.4/40.0

20/20 Reviews

10/10 Clients & Experience

9.4/10 Market Presence

Service focus

30% Blockchain

70% Other

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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

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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

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Adapt agency

$5,000+

$100 - $149 / hr

50 - 249

København, Denmark

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

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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

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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

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yellow3

Undisclosed

Undisclosed

10 - 49

Hørsholm, Denmark

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

100% Blockchain

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Software Alliance

$10,000+

$50 - $99 / hr

50 - 249

Køge, Denmark

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

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