Top Blockchain Companies & Developers in Japan

Ratings Updated: July 17, 2026

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19 Companies

Country: Japan

List of the Top Japan Blockchain Development Companies

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RedDuck

5.0 14 reviews
Verified

$5,000+

$50 - $99 / hr

10 - 49

Serves Japan

Services provided

100% Blockchain

RedDuck is a Blockchain Development company specializing in Blockchain Technology, Smart Contract Development, and Cryptocurrency Development. Across multiple reviews, clients consistently commend their technical precision, strategic vision, and timely delivery. Approximately 100% of feedback highlights RedDuck's exceptional project management and responsiveness, while 80% emphasize their ability to handle complex projects and deliver secure, user-friendly solutions.

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Reviews mention Communicative
Clients consistently highlight RedDuck's exceptional communication skills, noting their proactive engagement and responsiveness. One client emphasized that RedDuck's team delivers work ahead of schedule and maintains open dialogue, resulting in smooth project management. Another client remarked on the team's commitment to quality and their active communication, which fosters a productive working relationship. Overall, feedback reflects a positive sentiment towards RedDuck's communicative approach, contributing significantly to client satisfaction.

Web Development for Blockchain Game

5.0 Jan 27, 2022

The communication is excellent, and things go smoothly. We’re happier with RedDuck than with all the companies we’ve worked with in the past. We really like how they handle communication and deadlines. RedDuck works hard, and if they can’t get their stuff together, they work late in the night.
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Platform Development for Financial Services Company

5.0 Jul 31, 2023

RedDuck has been very proactive in communication with daily stand-ups and managers holding the junior devs responsible for the delivery timeline promised. They have also been super-active in terms of communication. The senior guys Mark & Dmytro really show care about the quality of the work their team delivers and step in as and when required.
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1 of 1 reviews is 5 stars

Unknown avg. project cost

Reviewed 1 time in the past 6 months
In the past six months, feedback for RedDuck has been highly positive, particularly highlighting their efficiency and value. A COO from NYM Technologies praised their timely delivery and effective communication during the API interface project, stating that RedDuck met all requirements and was direct in their approach. No areas for improvement were noted, indicating strong client satisfaction and a solid fit for similar projects.
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Industry Experience

RedDuck has demonstrated expertise across telecommunications, financial services, gaming, and other industries. In telecommunications, they efficiently developed an API interface, enhancing client satisfaction with on-time delivery. In financial services, their comprehensive development capabilities for DeFi projects garnered positive feedback for strong project management and effective communication. Clients from gaming appreciated their ability to deliver complex projects swiftly. Overall, RedDuck is well-regarded for its technical precision, strong project management, and adaptability, making them a suitable partner for tech-driven initiatives in these sectors.
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Other Industry Logistics & Supply Chain Gaming Financial services

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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.
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KAOPIZ

5.0 10 reviews

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Verified

$1,000+

< $25 / hr

250 - 999

Toshima City, Japan

Services provided

10% Blockchain

35% AI Development

30% Custom Software Development +3 services

10% Mobile App Development

10% Web Development

5% E-Commerce Development

KAOPIZ SOFTWARE is a Blockchain Development company specializing in creating secure and scalable blockchain solutions. With an emphasis on Cryptocurrency Development and Smart Contract Development, they received overwhelmingly positive feedback, with an 80% client satisfaction rate highlighting their technical expertise and project management skills. Clients praised their deep knowledge of blockchain technology and commitment to security, although some suggested improvements in UI/UX proactivity.

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Reviews mention High-quality work
Clients consistently praise KAOPIZ SOFTWARE for delivering high-quality work that meets and exceeds expectations. One CEO noted their 'remarkable' expertise in integrating AI with intuitive design, resulting in a 20% improvement in resource allocation efficiency. Another client highlighted their 'meticulous project management' and ability to translate abstract requirements into polished products rapidly. Overall, feedback reflects a strong sentiment of satisfaction with KAOPIZ's professionalism and commitment to client success.

UX/UI Desing & AI Development for Construction Management Co

5.0 Oct 11, 2024

The AI integration has improved the efficiency of resource allocation by 20% and reduced project delays by 15%. The new UI/UX has also received positive feedback from users, significantly improving system usability. The team was highly professional and consistently went above and beyond to meet our expectations.
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Custom Software & E-Commerce Dev for Fashion Company

5.0 Nov 28, 2023

Our ecommerce platform delivered by Kaopiz has enabled revenue growth through heightened reach, excellent conversions, and reliable site performance - validating our company potential with hard numbers. Kaopiz's seasoned architects implemented everything seamlessly. Their deep bench of technical talent continues to scale our systems without compromising quality.
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1 of 1 Blockchain reviews are 5 stars

$50,000 – $199,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

Blockchain Development for Software Company
5.0 — KAOPIZ SOFTWARE worked with a software company to enhance the security and scalability of their blockchain platform. This involved developing a decentralized app for secure supply chain tracking. Read more
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Average Project Cost Breakdown

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

What Clients Have Said
Clients consistently noted KAOPIZ SOFTWARE's competitive pricing and good value for money, with multiple reviews highlighting that their pricing fit within budget constraints. One project coordinator remarked on the 'good value for cost,' while another client emphasized that KAOPIZ's pricing aligned well with their financial expectations. Overall, the sentiment regarding cost-effectiveness was positive, with clients expressing satisfaction in receiving quality services that met their financial considerations.
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Vietnam (4) Singapore (2) Finland (1)

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VNEXT HOLDINGS

5.0 3 reviews
Verified

$1,000+

$25 - $49 / hr

250 - 999

Chiyoda City, Japan

Services provided

15% Blockchain

20% Custom Software Development

15% Mobile App Development +5 services

15% Web Development

10% Application Management & Support

10% Application Testing

10% IT Strategy Consulting

5% Cybersecurity

Struggling with rising development costs and slow delivery? VNEXT helps companies reduce software development costs by 30–50% while accelerating time-to-market through AI-augmented engineering. We
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Chiyoda City, Japan

8F Masatoku Building, 3-8-9 Sotokanda, Chiyoda-ku, Tokyo 101-0021
Chiyoda City, Japan 101-0021
76 - 100

+81 3-6811-6633

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AMELA Technology

4.9 26 reviews
Verified

$5,000+

< $25 / hr

250 - 999

Koto City, Japan

Services provided

10% Blockchain

35% Web Development

20% Mobile App Development +3 services

15% IT Staff Augmentation

10% AI Development

10% Custom Software Development

AMELA Technology is a distinguished Blockchain Development company known for its expertise in building decentralized systems and blockchain solutions. The reviews are overwhelmingly positive, highlighting the company's technical prowess and efficiency, with 100% of the feedback praising their project management and timely delivery. Notably, their ability to develop secure and scalable blockchain networks is highly commended.

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Reviews mention Personable
Client feedback highlights AMELA Technology's personable approach, with one client noting their 'very personable team' and another appreciating the continuous communication throughout the project. Hox, a representative, was commended for being 'extremely supportive' and ensuring clients felt at ease during the process. Overall sentiment reflects strong satisfaction with AMELA's professionalism and attentiveness, suggesting a positive client experience characterized by strong interpersonal relations.

Web Design & Dev & SEO for Mental Health & Medication Co

5.0 Sep 10, 2024

AMELA Technology is a truly amazing company to work with. They are professional, highly skilled and a very personable team. Very impressed with their attention to detail to deliver an exceptional UX/UI design on each project. Always available for collaboration, questions and delivered in a timely manner.
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Industry Experience

AMELA Technology has demonstrated expertise across various industries including IT Services, Manufacturing, Software, Financial Services, Healthcare, Gaming, Human Resources, and eCommerce. Reviews highlight their strengths in project management, flexibility, and technical proficiency. Positive sentiment prevails, particularly in IT and healthcare sectors, where clients noted significant improvements in operational efficiency and product quality. Clients across industries appreciated their responsive communication and ability to deliver on time, suggesting strong alignment for businesses seeking reliable technical partnerships.
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IT Services Manufacturing Software Financial services Healthcare Human Resources Gaming Business services Information technology eCommerce

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Average Project Cost Breakdown

$10,000 to $49,000 (8) $50,000 to $199,999 (4) Less than $10,000 (3) $200,000 to $999,999 (1) $1,000,000 to $9,999,999 (1)

What Clients Have Said
Clients consistently highlight AMELA Technology's competitive pricing and excellent value for money. Feedback indicates that their services fit within budget constraints while delivering high-quality results. For instance, one client noted, 'Pricing fit our budget' and 'Good value for cost,' reflecting a strong sentiment across reviews. Furthermore, several clients praised the company's ability to meet project deadlines and provide effective support, reinforcing the perception of AMELA as a cost-effective partner in technology solutions.
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View projects from:

United States (4) Australia (2) Estonia (2) Hong Kong (2) Japan (2) Brazil (1) France (1) India (1) Norway (1) Vietnam (1) Ukraine (1) England (1)

This provider is fluent in 5 languages:

English

Vietnamese

Korean

Japanese

Mandarin

This provider is available in 5 time zones:

China Taiwan Time (CTT)

Japan Standard Time (JST)

Vietnam Standard Time (VST)

Australia Central Time (ACT)

Singapore Standard Time (SGT)

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PadiTech Company

Not yet reviewed

$5,000+

$25 - $49 / hr

250 - 999

Taito City, Japan

Services provided

20% Blockchain

20% AI Consulting

20% AI Development +2 services

20% Custom Software Development

20% Web Design

PadiTech Company is a web design company. Founded in 2014, the team offers Web Design and Custom Software Development. The firm is headquartered in Hanoi, Vietnam and Ho Chi Minh, Vietnam.
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Taito City, Japan

2F, Tenbi Building, 5-16-16 Ueno, Taito-ku
Taito City, Japan 110-0005
50 - 75

02466858488

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HashPort Inc.

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Minato City, Japan

Services provided

100% Blockchain

HashPort Inc. Is a midsize Blockchain company. Founded in 2018, the team focuses on Blockchain.
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Indo-Sakura Software Pvt Ltd

Not yet reviewed

$50,000+

$200 - $300 / hr

50 - 249

Koto City, Japan

Services provided

20% Blockchain

20% AI Consulting

20% Application Testing +2 services

20% Call Center Services

20% Cybersecurity

Cybersecurity company Indo-Sakura Software Pvt Ltd was established in 2006. The agency focuses on Cybersecurity and Blockchain.
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Koto City, Japan

Japan, 〒135-0016 Tokyo, Koto City, Toyo, 3 Chome−5−5 ７階
Koto City, Japan 135-0016
76 - 100

+81 3-5633-7776

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Desoul Inc.

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Shibuya, Japan

Services provided

50% Blockchain

25% AI Development

25% Custom Software Development

Desoul Inc., a Blockchain company, is headquartered in Shibuya, Japan. The team focuses on Blockchain and Custom Software Development.
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VMO JAPAN

Not yet reviewed

$5,000+

< $25 / hr

250 - 999

Shibuya City, Japan

Services provided

10% Blockchain

15% IT Staff Augmentation

10% AI Development +9 services

10% IoT Development

10% Mobile App Development

10% Other IT Consulting and SI

10% Web Development

5% Application Testing

5% BI & Big Data Consulting & SI

5% Cloud Consulting & SI

5% Custom Software Development

5% IT Strategy Consulting

VMO JAPAN is an IT staff augmentation company. The team offers IT staff augmentation and other IT consulting and SI, and the agency is headquartered in Ha Noi, Vietnam and Shibuya City, Japan.
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Shibuya City, Japan

5-5 Maruyamachō
Shibuya City, Japan 150-0044
501 - 750

+81 3-4400-2818

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Cerberus Research, Inc

Not yet reviewed

$10,000+

$50 - $99 / hr

2 - 9

Shibuya City, Japan

Services provided

20% Blockchain

20% Architectural Design

20% Generative AI +2 services

20% Web Design

20% Web Development

Web design company Cerberus Research, Inc was launched in 2021. The small team specializes in Web Design and Architectural Design.
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TEAMZ Inc.

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Minato City, Japan

Services provided

25% Blockchain

25% Mobile App Development

25% Web Design +1 service

25% Web Development

TEAMZ Inc. Is a web design company. They were launched in 2017 and focus on Web Design and Web Development.
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SORAMITSU | 2016-2025

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Shibuya, Japan

Services provided

20% Blockchain

10% Application Testing

10% Blockchain Marketing +6 services

10% Corporate Training & Coaching

10% Cybersecurity

10% DevOps Managed Services

10% Digital Strategy

10% Marketing Strategy

10% UX/UI Design

SORAMITSU | 2016-2025 is a Blockchain company. Founded in 2016, the firm focuses on Blockchain and Marketing Strategy.
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Consensus Base Inc.

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Shinagawa City, Japan

Services provided

60% Blockchain

40% Business Consulting

Consensus Base Inc. Is a Blockchain company. Their small team is located in Shinagawa City, Japan. Their team focuses on Blockchain and Business Consulting.
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FIXER

Not yet reviewed

$5,000+

$100 - $149 / hr

10 - 49

Minato City, Japan

Services provided

10% Blockchain

40% IT Managed Services

20% AI Development +2 services

20% Cloud Consulting & SI

10% Digital Strategy

FIXER, an IT managed services company, specializes in IT managed services and Artificial Intelligence. The agency is headquartered in Minato City, Japan.
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SOTATEK JSC

5.0 47 reviews

$10,000+

$25 - $49 / hr

1,000 - 9,999

Chuo City, Japan

Services provided

45% Blockchain

15% Custom Software Development

10% AI Development +3 services

10% CRM Consulting and SI

10% Mobile App Development

10% Web Development

SOTATEK JSC is a leading firm specializing in Blockchain Development and Smart Contract Development, offering robust blockchain solutions tailored to various industries. Clients praise their technical expertise, efficient project management, and ability to integrate blockchain technology seamlessly, with 100% of reviews highlighting their professionalism and timely delivery. Their innovative approach consistently enhances operational efficiency and customer experiences.

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Reviews mention Puts the customer first
SOTATEK JSC has received overwhelmingly positive feedback regarding its customer-first approach. A CTO from NewWave Solution highlighted their satisfaction with SOTATEK's customer service from the initial interaction and praised their dedication to understanding client needs. The team was described as 100% customer-oriented, providing industry-specific expertise and support throughout the project. Clients felt valued and supported, contributing to a successful partnership, with no significant issues reported during the collaboration.

Web Development for Software Solutions Provider

5.0 Nov 26, 2021

I would say that becoming a partner with SotaTek is the wisest decision we ever made. They are 100% customer-oriented. In the course of the project, SOTATEK team offer us experts experienced in specific industries, focusing on IT Consulting and Strategy to help us solve the challenges. I really appreciated their customer-centric strategies and dedicated efforts.
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3 of 3 Blockchain reviews are 5 stars

$10,000 – $49,000 avg. project cost

Blockchain PROJECT HIGHLIGHT

Blockchain Development for Travel Platform
5.0 — SOTATEK JSC provided blockchain development services for a travel platform. The team created and integrated smart contracts and a secure payment gateway to streamline the client's booking and Read more
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Industry Experience

SOTATEK JSC has demonstrated expertise across various industries, including Advertising & Marketing, IT Services, Financial Services, Retail, Gaming, and Education. Clients commend their blockchain and app development capabilities, impressing particularly in enhancing operational efficiency and user experience. Overall sentiment remains highly positive, highlighting SOTATEK's strong project management, technical proficiency, and adaptability, making them a suitable partner for projects in tech-driven sectors.
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Advertising & marketing IT Services Information technology Software Retail Education Gaming Financial services Manufacturing

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Chuo City, Japan

4F Matsuoka Ginchi Building, 7-17-14 Ginza, Chuo-ku
Chuo City, Japan 104-0061
6 - 9

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CodeComplete Vietnam

Not yet reviewed

$10,000+

< $25 / hr

50 - 249

Meguro City, Japan

Services provided

10% Blockchain

20% Web Development

15% Application Testing +5 services

15% Mobile App Development

10% AI Development

10% Custom Software Development

10% E-Commerce Development

10% Enterprise App Modernization

Website development company CodeComplete Vietnam was founded in 2015. Based in Meguro City, Japan and Danang, Vietnam, the team specializes in Web Development and Mobile App Development.
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BlueOC

Not yet reviewed

Undisclosed

< $25 / hr

50 - 249

Shibuya City, Japan

Services provided

10% Blockchain

20% Mobile App Development

20% Web Development +4 services

15% AR/VR Development

15% IoT Development

10% AI Development

10% Cybersecurity

BlueOC is a website development firm. Their midsize team of employees is located in Hanoi, Vietnam and Shibuya City, Japan. Their team focuses on Web Development and Mobile App Development.
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Shibuya City, Japan

〒150-0002 TOKYU REIT Shibuya R Building B1, 3-10-13 Shibuya, Shibuya-ku
Shibuya City, Japan 150-0002
6 - 9

+84 946668889

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Photon

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Shibuya City, Japan

Services provided

30% Blockchain

70% Mobile App Development

Founded in 2003, Photon is an app development firm. The small team specializes in Mobile App Development and Blockchain.
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Shibuya City, Japan

Cerulean Tower, 26-1, Sakuragaoka-cho, Shibuya-ku
Shibuya City, Japan 150-0031
1

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Dsoft Joint Stock Company

Not yet reviewed

Undisclosed

$25 - $49 / hr

50 - 249

Minato City, Japan

Services provided

10% Blockchain

10% AI Development

10% Cloud Consulting & SI +7 services

10% Custom Software Development

10% DevOps Managed Services

10% IT Managed Services

10% IT Strategy Consulting

10% IoT Development

10% Mobile App Development

10% Web Development

Midsize IT strategy consulting company Dsoft Joint Stock Company, is in Da Nang, Vietnam and Minato City, Japan. The team specializes in IT strategy consulting and cloud consulting & SI.
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Minato City, Japan

28 F, Shinagawa Intercity Tower A, 2-15-1 Konan
Minato City, Japan 108-0075
2 - 5

0982755050

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FPT Software

Not yet reviewed

$1,000+

< $25 / hr

10,000+

Minato City, Japan

Services provided

10% Blockchain

10% AI Development

10% AR/VR Development +7 services

10% Application Testing

10% Cloud Consulting & SI

10% Cybersecurity

10% Digital Strategy

10% E-Commerce Development

10% IT Managed Services

10% IoT Development

Founded in 1999, FPT Software, a large Digital Strategy company, is in El Segundo, California and Hanoi, Vietnam. Their team focuses on Digital Strategy and cloud consulting & SI.
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Minato City, Japan

6th Floor, CROSS PLACE Building, Hamamatsu-cho, Shiba Park 1-7-6, Minato-ku
Minato City, Japan 105-0013
101 - 150

+81 (3) -6634-6868

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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.

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Ability to Deliver (y-axis)

Ability to Deliver considers three criteria:

Client feedback and reviews
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List of the Top Japan Blockchain Development Companies

PadiTech Company

$5,000+

$25 - $49 / hr

250 - 999

Taito City, Japan

Ability to deliver

5.2/40.0

0/20 Reviews

0/10 Clients & Experience

5.2/10 Market Presence

Service focus

20% Blockchain

80% Other

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HashPort Inc.

Undisclosed

Undisclosed

50 - 249

Minato City, Japan

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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Indo-Sakura Software Pvt Ltd

$50,000+

$200 - $300 / hr

50 - 249

Koto City, Japan

Ability to deliver

5.3/40.0

0/20 Reviews

0/10 Clients & Experience

5.3/10 Market Presence

Service focus

20% Blockchain

80% Other

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Desoul Inc.

Undisclosed

Undisclosed

2 - 9

Shibuya, Japan

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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VMO JAPAN

$5,000+

< $25 / hr

250 - 999

Shibuya City, Japan

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

10% Blockchain

90% Other

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Cerberus Research, Inc

$10,000+

$50 - $99 / hr

2 - 9

Shibuya City, Japan

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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KAOPIZ

$1,000+

< $25 / hr

250 - 999

Toshima City, Japan

Ability to deliver

36.5/40.0

17/20 Reviews

9.7/10 Clients & Experience

9.8/10 Market Presence

Service focus

10% Blockchain

90% Other

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TEAMZ Inc.

Undisclosed

Undisclosed

10 - 49

Minato City, Japan

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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SORAMITSU | 2016-2025

Undisclosed

Undisclosed

50 - 249

Shibuya, Japan

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

20% Blockchain

80% Other

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VNEXT HOLDINGS

$1,000+

$25 - $49 / hr

250 - 999

Chiyoda City, Japan

Ability to deliver

15.2/40.0

0/20 Reviews

8.6/10 Clients & Experience

6.5/10 Market Presence

Service focus

15% Blockchain

85% Other

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Consensus Base Inc.

Undisclosed

Undisclosed

2 - 9

Shinagawa City, Japan

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

60% Blockchain

40% Other

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AMELA Technology

$5,000+

< $25 / hr

250 - 999

Koto City, Japan

Ability to deliver

36.4/40.0

18/20 Reviews

9.5/10 Clients & Experience

8.9/10 Market Presence

Service focus

10% Blockchain

90% Other

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FIXER

$5,000+

$100 - $149 / hr

10 - 49

Minato City, Japan

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

10% Blockchain

90% Other

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SOTATEK JSC

$10,000+

$25 - $49 / hr

1,000 - 9,999

Chuo City, Japan

Ability to deliver

36.2/40.0

16.6/20 Reviews

10/10 Clients & Experience

9.6/10 Market Presence

Service focus

45% Blockchain

55% Other

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CodeComplete Vietnam

$10,000+

< $25 / hr

50 - 249

Meguro City, Japan

Ability to deliver

5.2/40.0

0/20 Reviews

0/10 Clients & Experience

5.2/10 Market Presence

Service focus

10% Blockchain

90% Other

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Specialties

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Top Blockchain Companies & Developers in Japan

List of the Top Japan Blockchain Development Companies

Reviews mention Communicative

Web Development for Blockchain Game

Platform Development for Financial Services Company

Reviewed 1 time in the past 6 months

Industry Experience

Select Industry to see insights

RedDuck is very responsive

Reviews mention High-quality work

UX/UI Desing & AI Development for Construction Management Co

Custom Software & E-Commerce Dev for Fashion Company

Blockchain Development for Software Company

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Personable

Web Design & Dev & SEO for Mental Health & Medication Co

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Puts the customer first

Web Development for Software Solutions Provider

Blockchain Development for Travel Platform

Industry Experience

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