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Home Blockchain Smart Contract Development Japan Tokyo

Top Smart Contract Development Companies in Tokyo

Ratings Updated: April 24, 2026
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3 Leaders 2 Contenders

5 Companies

Country: Japan
City: Tokyo
Blockchain Focus: Smart Contract Development

List of the Top Tokyo Smart Contract Developers

  • AMELA Technology Logotype

    5.0 24 reviews
    Verified
    $5,000+
    < $25 / hr
    250 - 999
    Koto City, Japan

    Services provided

    10% Blockchain
    35% Web Development
    20% Mobile App Development +3
    15% IT Staff Augmentation
    10% AI Development
    10% Custom Software Development

    Focus Areas

    40% Smart Contract Development
    35% Web3
    15% Metaverse Development +2
    5% Ethereum Development
    5% Initial Coin Offering Consulting

    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.

    See all 24 projects

    More responsive than most other service providers

    AMELA Technology 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 (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)

    Koto City, Japan

    302, 5-chome-36-2, Kameido, Koto-ku, Tokyo, Japan
    Koto City, Japan 136-0071

    6 - 9

    (+84) 968 698 219

    See All Locations (2)

    Review Rating from Clients

    5.0/5.0

    Quality

    5.0

    Schedule

    5.0

    Cost

    5.0

    Willing to Refer

    5.0

    Tokyo-based clients praise AMELA Technology for their expertise in app development, system modernization, and AR/VR solutions. They highlight the company's agile project management, timely delivery, and strong technical skills across diverse projects, including mobile apps, ERP systems, and embedded software, with a focus on cost-effective, high-quality results.
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  • VNEXT HOLDINGS Logotype

    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
    15% Web Development
    10% Application Management & Support
    10% Application Testing
    10% IT Strategy Consulting
    5% Cybersecurity

    Focus Areas

    30% Smart Contract Development
    30% Web3
    20% Tokenization +3
    10% Ethereum Development
    5% Decentralized Finance
    5% Smart Contract Auditing

    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

    Read more
    See all 3 projects

    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

    See All Locations (3)
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  • SOTATEK JSC Logotype

    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
    10% CRM Consulting and SI
    10% Mobile App Development
    10% Web Development

    Focus Areas

    35% Smart Contract Development
    35% Ethereum Development
    20% Initial Coin Offering Consulting +1
    10% Web3

    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.

    See all 47 projects

    Reviews mention Great project management

    Clients consistently commend SOTATEK JSC for their effective project management. One CEO noted their team's clear focus and structured output, stating, 'SotaTek were highly focused on every stage with clear outputs and effective outcomes.' Additionally, a CTO highlighted the project manager's capability to keep tasks on track, asserting, 'The PM kept everything on track, and challenged the team to get key components done.' Overall, feedback reflects a strong sentiment of satisfaction with SOTATEK's project management approach.
    • Blockchain Dev Services for Cryptocurrency Wallet
      5.0 Jul 4, 2022

      The project management was effective. During the process, we ran into a few difficulties and misunderstandings, but the team handled them well. We used Jira to keep track of the flow and discussed daily through Slack and GoogleMeets. They were reachable at any time.

      Read Full Review
    • Web Development for Software Solutions Provider
      5.0 Nov 26, 2021

      We used Jira to track all tasks, timelines, and deliverables. The PM we had kept everything on track, and challenged the team to get key components done when we ran into some challenges.

      Read Full Review
    Read All Reviews
    3 of 3 Blockchain reviews are 5 stars
    1 new review for Blockchain in past 6 months
    $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
    Read 3 Reviews

    Industry Experience

    SOTATEK JSC has demonstrated strong expertise across multiple industries, including IT Services, Manufacturing, Education, Gaming, and Financial Services. Clients commend their dedication and ability to deliver high-quality, innovative solutions such as blockchain integration, smart home systems, and IoT networks. Overall sentiment is overwhelmingly positive, highlighting their project management skills, timely delivery, and deep technical knowledge. Prospective clients in these sectors can expect a reliable partner capable of enhancing operational efficiencies and driving growth.

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    Select Industry to see insights

    Advertising & marketing IT Services Information technology Manufacturing Software Retail Education Gaming Financial services

    Chuo City, Japan

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

    6 - 9

    See All Locations (8)
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  • BlueOC Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    50 - 249
    Shibuya City, Japan

    Services provided

    10% Blockchain
    20% Mobile App Development
    20% Web Development +4
    15% AR/VR Development
    15% IoT Development
    10% AI Development
    10% Cybersecurity

    Focus Areas

    100% Smart Contract Development

    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.

    Read more

    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

    See All Locations (2)
    View Profile
  • SORAMITSU | 2016-2025 Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Shibuya, Japan

    Services provided

    20% Blockchain
    10% Application Testing
    10% Blockchain Marketing +6
    10% Corporate Training & Coaching
    10% Cybersecurity
    10% DevOps Managed Services
    10% Digital Strategy
    10% Marketing Strategy
    10% UX/UI Design

    Focus Areas

    50% Smart Contract Development
    50% Web3

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

    Read more
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Clutch Leaders Matrix

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

1 SOTATEK JSC
2 AMELA Technology
3 VNEXT HOLDINGS

List of the Top 3 Tokyo Smart Contract Developers

  1. SOTATEK JSC Logotype

    SOTATEK JSC

    $10,000+
    $25 - $49 / hr
    1,000 - 9,999
    Chuo City, Japan

    Ability to deliver

    36.4/40.0
    16.8/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    45% Blockchain
    35% Smart Contract Development
    55% Other
    View Profile Visit Website
  2. AMELA Technology Logotype

    AMELA Technology

    $5,000+
    < $25 / hr
    250 - 999
    Koto City, Japan

    Ability to deliver

    35.3/40.0
    18/20 Reviews
    8.7/10 Clients & Experience
    8.5/10 Market Presence

    Service focus

    10% Blockchain
    40% Smart Contract Development
    90% Other
    View Profile Visit Website
  3. VNEXT HOLDINGS Logotype

    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
    30% Smart Contract Development
    85% Other
    View Profile Visit Website
  4. BlueOC Logotype

    BlueOC

    Undisclosed
    < $25 / hr
    50 - 249
    Shibuya City, Japan

    Ability to deliver

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

    Service focus

    10% Blockchain
    100% Smart Contract Development
    90% Other
    View Profile Visit Website
  5. SORAMITSU | 2016-2025 Logotype

    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
    50% Smart Contract Development
    80% 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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