Top Blockchain Companies & Developers in Denmark

Ratings Updated: April 29, 2026

We verify reviews and evaluate companies so you can choose with confidence. We may earn a fee for some placements. Learn how Clutch ensures trust

All Companies Leaders Matrix Pricing Services Guide

Get Matched

0 Leaders 9 Contenders

9 Companies

Country: Denmark

List of the Top Denmark Blockchain Development Companies

Sponsored

Featured

What are Featured Providers?
Nextrope

5.0 18 reviews
Premier Verified

$25,000+

$50 - $99 / hr

10 - 49

Serves 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.

See all 18 projects
Reviews mention High-quality work
Clients consistently praised Nextrope for delivering high-quality work that exceeded expectations. For instance, one CEO noted the 'thorough analysis' and 'high-quality materials' provided during a consultancy project, likening it to the standards of major consulting firms. Another client highlighted the 'beautiful landing page' and 'high-quality MVP' developed for their platform, which significantly improved user engagement. Overall, the sentiment reflects strong satisfaction with Nextrope's commitment to quality and responsiveness.

Business Dev Consultancy for Construction Services Startup

5.0 May 27, 2022

Nextrope conducted a very thorough analysis of business cases and problems we brought to them and delivered a detailed workshop, together with MBB-style business consultancy deck. Everything was delivered on time and the final result exceeded our expectations. I was particularly impressed by the business applicability and usefulness of the information delivered in the consultancy, which was on the standard of big consulting companies (MBB, Big4).
Read Full Review

Cybersecurity Audit for Blockchain-Based Company

5.0 Dec 8, 2021

The quality of the code has been improved and thoroughly checked, which is tantamount to smart contract security. Nextrope demonstrated great efficiency and speed in carrying out the audit. There were no unnecessary delays.
Read Full Review

Digital marketing for 3D Printing Recycling Company

5.0 Sep 12, 2020

Nextrope proved to be very competent and delivered materials that met our expectations, and even exceeded some of them. The scope of service offered to clients, both in terms of business and financial sides, as well as the actual web development, was impressive.
Read Full Review

Web & Mobile App Development for Content Management Company

5.0 Apr 2, 2020

Nextrope is very creative in their solutions, they provide only the highest quality of work and never settle on less. They also work very fast and respond very quickly to any changes that are required. Nextrope was very time-efficient in developing and designing the platform.
Read Full Review

Web Development & Branding for Lifestyle Media Channel

5.0 Apr 1, 2020

The standards they set for themselves with their creative work and attention to detail impressed us. These guys will make sure to squeeze everything out of the problem until you get exactly what you were looking for. The developed website design was subsequently carried over to all of our social media channels, as well as onto our visual and video content.
Read Full Review

Read All Reviews

Was this helpful?

1 of 1 reviews is 5 stars

1 new review for Blockchain services

$10,000 – $49,000 avg. project cost

Reviewed 1 time in the past 6 months
Recent reviews for Nextrope reflect a strong overall sentiment, highlighting their proactive and adaptable approach in project execution. Clients commend the team's commitment and ownership, particularly in developing a secure blockchain-based real estate platform that significantly reduced manual processes and ensured compliance with EU standards. Notably, one client appreciated Nextrope's ability to respond swiftly to evolving requirements, suggesting a high level of flexibility and understanding of business needs. Minor areas for improvement were noted, but overall feedback remains highly positive.
Read 1 Recent Review

Was this helpful?

Industry Experience

Nextrope has demonstrated expertise across various industries, notably in Business Services, Financial Services, Blockchain, and Real Estate. Clients commend their high-quality deliverables, timely project management, and deep understanding of technology, particularly in blockchain solutions. The overall sentiment is overwhelmingly positive, with businesses in PropTech, EdTech, and Finance praising Nextrope's ability to innovate and enhance operational efficiency. Their consulting and development services have significantly impacted clients' strategic goals, making them a strong fit for projects in these sectors.
Read All Reviews

Select Industry to see insights

Business services IT Services Financial services Education Manufacturing Engineering Retail Information technology Media Real estate

Was this helpful?

View projects from:

Poland (11) United Arab Emirates (2) Estonia (1) Norway (1) England (1)

Was this helpful?
View Profile Visit Website
RedDuck

5.0 13 reviews

$10,000+

$50 - $99 / hr

10 - 49

Serves 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 Great project management
Clients consistently highlight RedDuck's exceptional project management capabilities. For instance, one client noted their 'excellent project management,' emphasizing quick responses and openness to feedback. Another client praised their 'regular progress updates' and 'transparency about adjustments,' affirming that RedDuck adhered to timelines and adapted to evolving requirements. Overall, the sentiment is overwhelmingly positive, with clients expressing high satisfaction regarding communication, professionalism, and the ability to deliver on complex projects.

Cryptocurrency & Blockchain Dev for Asset Tokenization Co

5.0 Apr 21, 2025

Always quick response to questions, very open to changes and suggestions. Excellent project management.
Read Full Review

Blockchain Development for FinTech Company

5.0 Apr 23, 2025

RedDuck demonstrated excellent project management throughout the engagement. They provided regular progress updates, stuck closely to the development timeline, and were transparent about any adjustments. Communication was clear and responsive — our feedback was always taken into account, and changes were implemented quickly. Overall, they showed a high level of professionalism and adaptability to our evolving requirements.
Read Full Review

Read All Reviews

Was this helpful?

Industry Experience

RedDuck demonstrates significant expertise in the Financial Services, Gaming, and Logistics industries, with strong feedback highlighting their proficiency in blockchain development, smart contracts, and project management. Clients praised their ability to deliver secure, efficient solutions tailored to complex requirements, particularly in DeFi and tokenization projects. Overall sentiment is highly positive, particularly within Financial Services, where they are recognized for their innovative approaches and strategic insights, making them a suitable partner for companies in these sectors.
Read All Reviews

Select Industry to see insights

Financial services Other Industry Logistics & Supply Chain Gaming

Was this helpful?

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

Was this helpful?

More responsive than most other service providers

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

Was this helpful?
View Profile Visit Website
Infograins Software Solutions

4.9 89 reviews

Look for Verified Providers

Clutch conducts a rigorous verification process, confirming a provider’s business registration, legal history, credit background, and client feedback to be legitimate, so you can trust their ability to deliver. Learn More

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 Blockchain Development company that excels in integrating advanced technologies like AI, blockchain, and smart contracts into practical solutions. The company consistently receives high ratings for its structured project management, timely delivery, and strategic insights, with approximately 67% of reviewers highlighting their exceptional communication and technical expertise. Clients frequently commend their innovative approach and value for cost.

See all 89 projects
2 of 2 reviews are 5 stars

2 new reviews for Blockchain services

$10,000 – $49,000 avg. project cost

Reviewed 2 times in the past 6 months
Recent reviews for Infograins Software Solutions highlight their expertise in AI and blockchain integration, with clients praising their structured project management and timely delivery. One client noted a 60% reduction in loan approval time and a 35% improvement in credit risk prediction accuracy due to their solutions. Another client commended their responsiveness and the quality of their app development. Overall, sentiment is highly positive, with minimal suggested improvements, primarily in documentation and milestone demonstrations.
Read 2 Recent Reviews

Was this helpful?

14 of 14 Blockchain reviews are 5 stars

2 new reviews for Blockchain in past 6 months

$1,000,000 – $9,999,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

AI Implementation & Development for Digital AI Solutions Platform
5.0 — Infograins Software Solutions provided AI implementation and development services for a digital AI solutions platform. The team was responsible for consumer engagement analysis, performance Read more
Read 14 Reviews

Was this helpful?
View projects from:

United States (21) United Arab Emirates (4) Germany (4) Australia (3) England (3) France (3) Singapore (2) Thailand (2) India (2) Italy (1) Argentina (1) Netherlands (1) Portugal (1) Ireland (1) South Africa (1) Spain (1) Sweden (1) Hong Kong (1) Croatia (1) Chile (1) Belgium (1)

This provider is fluent in 2 languages:

English

Hindi

This provider is available in 14 time zones:

Near East Time (NET)

Middle East Time (MET)

Brazil Eastern Time (BET)

Greenwich Mean Time (GMT)

India Standard Time (IST)

Eastern African Time (EAT)

Central European Time (CET)

Eastern European Time (EET)

View all time zones

Was this helpful?
Køge, Denmark

Værkstedsvej
Køge, Denmark 4600
1

+447401232155

See All Locations (40)

Was this helpful?
View Profile Visit Website
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.
Read more

View Profile
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.
Read more

View Profile

Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.

Get My Matches

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.
Read more

København, Denmark

Langebrogade 6E, 2nd floor
København, Denmark 1411
76 - 100

+45 33 41 10 50

See All Locations (4)

Was this helpful?

View Profile
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.
Read more

View Profile
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.
Read more

View Profile
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.

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

Was this helpful?

Køge, Denmark

40 Lyngvej
Køge, Denmark 4600
6 - 9

+4528403173

See All Locations (4)

Was this helpful?

View Profile
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.

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

Was this helpful?

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

Was this helpful?

Hellerup, Denmark

100 Strandvejen
Hellerup, Denmark 2900
2 - 5

+1-435-800-0086

See All Locations (33)

Was this helpful?

View Profile
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.
Read more

Hørsholm, Denmark

Hovedgaden 43
Hørsholm, Denmark 2970
1

See All Locations (3)

Was this helpful?

View Profile

Tell us what you need — we’ll match you with top agencies in minutes.

Get My Matches

Why Trust Clutch

At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.

Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.

We evaluate service providers using a structured methodology that combines:

In-depth client interviews and ratings
Comprehensive project details
Market presence
Portfolio examples and industry recognition

This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.

Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.

We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.

Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.

Ability to deliver

Focus

Proven

Market Leaders

Emerging

Niche

Clutch Leaders Matrix

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

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 Denmark Blockchain Development Companies

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
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
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

View Profile Visit Website
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
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
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

View Profile Visit Website
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

View Profile Visit Website
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

View Profile Visit Website
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

View Profile Visit Website

Similar Categories

Related Services

AR/VR in Denmark IoT in Denmark Ruby on Rails in Denmark Software Testing in Denmark Web Developers in Denmark Software Developers in Denmark Mobile App Development in Denmark eCommerce in Denmark Artificial Intelligence in Denmark

Specialties

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

Popular Locations in Denmark

Blockchain in Copenhagen

Get matched with the 5 best-fit agencies for your project—in 4 minutes or less.

Top Blockchain Companies & Developers in Denmark

List of the Top Denmark Blockchain Development Companies

Reviews mention High-quality work

Business Dev Consultancy for Construction Services Startup

Cybersecurity Audit for Blockchain-Based Company

Digital marketing for 3D Printing Recycling Company

Web & Mobile App Development for Content Management Company

Web Development & Branding for Lifestyle Media Channel

Reviewed 1 time in the past 6 months

Industry Experience

Select Industry to see insights

Reviews mention Great project management

Cryptocurrency & Blockchain Dev for Asset Tokenization Co

Blockchain Development for FinTech Company

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

RedDuck is very responsive

Reviewed 2 times in the past 6 months

AI Implementation & Development for Digital AI Solutions Platform

Software Alliance is very responsive

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Tell us what you need — we’ll match you with top agencies in minutes.

Why Trust Clutch

List of the Top Denmark Blockchain Development Companies

Similar Categories

Related Services

Specialties

Popular Locations in Denmark