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Top System Integration Companies in Tokyo

Ratings Updated: May 26, 2026
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6 Leaders 15 Contenders

59 Companies

Country: Japan
City: Tokyo

List of the Top Tokyo Best System Integration Companies & Services

  • Featured

    What are Featured Providers?

    Edvantis Logotype

    Edvantis

    4.8 43 reviews
    Premier Verified
    $10,000+
    $25 - $49 / hr
    250 - 999
    Serves Tokyo, Japan

    Services provided

    30% AI Development
    25% BI & Big Data Consulting & SI
    25% Custom Software Development +2 services
    10% Cybersecurity
    10% IoT Development

    Edvantis is a versatile technology company specializing in software development, data security, and performance testing. Across multiple reviews, 100% of clients praised their reliability, responsiveness, and project management skills. Approximately 70% of reviewers highlighted their flexible team setup and ability to integrate seamlessly into existing teams. Clients consistently commend Edvantis for timely delivery, quality outcomes, and strategic partnership.

    See all 43 projects

    Reviews mention Well-organized projects

    Clients have consistently praised Edvantis for their well-organized project management and structured workflows. One client highlighted the efficiency of their communications and adherence to processes, noting the disciplined nature of the team. Another client commended their proactive approach during workshops, stating that Edvantis was engaged and quick to provide high-quality documentation. Overall, feedback reflects a strong sentiment regarding Edvantis's ability to manage projects effectively and deliver valuable outcomes.
    • Discovery for Automated Storage & Retrieval Systems Company
      4.0 Jan 15, 2021

      Edvantis was well-organized. They were very structured with their work, and the interaction was very good. We had a weekly call between two people from our side and two from theirs.

      Read Full Review
    • Development for Software Company
      4.5 Mar 27, 2020

      We decided to manage the product on our side. We have daily calls with them, write the user stories for the team members, and coordinate all the work for them. They are willing to do overtime if necessary, so we were able to meet every timeline.

      Read Full Review
    Read All Reviews

    Average Project Cost Breakdown

    $200,000 to $999,999 (11) $1,000,000 to $9,999,999 (6) $10,000 to $49,000 (3) $50,000 to $199,999 (3)

    What Clients Have Said

    Clients consistently highlight Edvantis' strong value for cost, noting that their pricing fits within budget constraints while delivering high-quality work. For instance, one COO stated they selected Edvantis due to 'good value for cost,' and another noted their 'excellent job' at a 'reasonable cost.' Overall, feedback reflects a positive sentiment regarding the company's ability to provide competitive pricing alongside effective project management and quality deliverables.
    Read All Reviews

    More responsive than most other service providers

    Edvantis 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 (20) Germany (13) Sweden (2) Austria (1) Belgium (1) Canada (1) Denmark (1) India (1) Israel (1) Lithuania (1) Netherlands (1)
    View Profile Visit Website
  • SIPA Partners Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Shibuya City, Japan

    Services provided

    60% Business Consulting
    20% BI & Big Data Consulting & SI
    20% Public Relations

    SIPA Partners is a Business Consulting company. The team is in Shibuya City, Japan, and their services include Business Consulting and Public Relations.

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  • MKUltraman Logotype

    Not yet reviewed

    $5,000+
    $200 - $300 / hr
    Freelancer
    Meguro City, Japan

    Services provided

    40% IT Managed Services
    25% IT Strategy Consulting
    15% Cloud Consulting & SI +2 services
    10% Business Consulting
    10% IT Staff Augmentation

    MKUltraman is a small Meguro City, Japan-based IT managed services company. The team focuses on IT managed services and IT strategy consulting.

    Read more
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  • Proworks Group Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Minato City, Japan

    Services provided

    20% Accounting
    20% Corporate Law
    10% Business Consulting +5 services
    10% Cloud Consulting & SI
    10% Finance Law
    10% Financial Consulting
    10% HR Consulting
    10% IT Strategy Consulting

    Founded in 2007, Proworks Group is an Accounting company. Based in Minato City, Japan, the team focuses on Accounting and Corporate Law.

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  • Emerton Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Shibuya City, Japan

    Services provided

    20% AI Development
    20% BI & Big Data Consulting & SI
    20% Business Consulting +2 services
    20% Engineering
    20% Market Research

    Emerton is a Market Research company headquartered in Paris, France and München, Germany. They specialize in Market Research and BI & big data consulting & SI and were founded in 2011.

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    Shibuya City, Japan

    15F Cerulean Tower, 26-1 Sakuragaoka-cho Shibuya-ku
    Shibuya City, Japan 150-8512

    1

    + 81.354.565.091

    See All Locations (4)
    View Profile
  • Mezurashico Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    2 - 9
    Ota City, Japan

    Services provided

    50% Mobile App Development
    20% Custom Software Development
    20% Web Development +1 service
    10% Cloud Consulting & SI

    Mezurashico is an app development firm. They focus on Mobile App Development and Custom Software Development and are located in Ota City, Japan.

    Read more
    View Profile
  • GMO Internet Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Shibuya City, Japan

    Services provided

    20% Advertising
    20% E-Commerce Development
    20% Search Engine Optimization +4 services
    10% Cloud Consulting & SI
    10% Cybersecurity
    10% IoT Development
    10% Mobile & App Marketing

    GMO Internet is a Shibuya City, Japan-based Advertising company. Their services include Advertising and E-Commerce Development.

    Read more
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  • Communication Business Avenue, Inc. Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    50 - 249
    Yokosuka, Japan

    Services provided

    50% Generative AI
    20% AI Consulting
    20% Cloud Consulting & SI +1 service
    10% Unified Communications Consulting & SI

    Communication Business Avenue, Inc. Is a Yokosuka, Japan-based Generative AI company. The team focuses on Generative AI and cloud consulting & SI.

    Read more
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  • Ubitus Inc. Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    250 - 999
    Minato City, Japan

    Services provided

    40% Cloud Consulting & SI
    30% IT Managed Services
    30% Unified Communications Consulting & SI

    Ubitus Inc., a midsize cloud consulting & SI company, is based in Taipei CIty, Taiwan and Minato City, Japan. The team focuses on cloud consulting & SI and unified communications consulting & SI.

    Read more

    Minato City, Japan

    5F YM Shibakoen Building, 2-3-18 Shiba
    Minato City, Japan 105-0011

    +81-3-6435-3295

    See All Locations (3)
    View Profile
  • INFINITE UPTIME Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Chiyoda City, Japan

    Services provided

    60% IoT Development
    30% BI & Big Data Consulting & SI
    10% IT Managed Services

    INFINITE UPTIME, an IoT development company, was established in 2015. The small team focuses on IoT development and BI & big data consulting & SI.

    Read more

    Chiyoda City, Japan

    Nihon Bldg. 7F 2-6-2 Ootemachi, Chiyoda-ku
    Chiyoda City, Japan 100-0004

    +81 3 6262 7200

    See All Locations (4)
    View Profile

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Clutch Leaders Matrix

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

1 TatvaSoft
2 SOTATEK JSC
3 InApp
4 EPAM Systems
5 BJIT Limited
6 Principle Co, Ltd.

List of the Top 6 Tokyo Best System Integration Companies & Services

  1. TatvaSoft Logotype

    TatvaSoft

    $25,000+
    < $25 / hr
    1,000 - 9,999
    Kawasaki, Japan

    Ability to deliver

    37.6/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    10% System Integrators
    90% Other
    View Profile Visit Website
  2. 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

    10% System Integrators
    90% Other
    View Profile Visit Website
  3. InApp Logotype

    InApp

    $50,000+
    $25 - $49 / hr
    250 - 999
    Yokohama, Japan

    Ability to deliver

    35.2/40.0
    15.8/20 Reviews
    10/10 Clients & Experience
    9.4/10 Market Presence

    Service focus

    10% System Integrators
    90% Other
    View Profile Visit Website
  4. EPAM Systems Logotype

    EPAM Systems

    $100,000+
    $150 - $199 / hr
    10,000+
    Minato City, Japan

    Ability to deliver

    30.1/40.0
    16.2/20 Reviews
    6.5/10 Clients & Experience
    7.4/10 Market Presence

    Service focus

    15% System Integrators
    85% Other
    View Profile Visit Website
  5. BJIT Limited Logotype

    BJIT Limited

    $10,000+
    $25 - $49 / hr
    250 - 999
    Minato City, Japan

    Ability to deliver

    29.2/40.0
    16.2/20 Reviews
    4.9/10 Clients & Experience
    8.1/10 Market Presence

    Service focus

    20% System Integrators
    80% Other
    View Profile Visit Website
  6. Principle Co, Ltd. Logotype

    Principle Co, Ltd.

    $5,000+
    $100 - $149 / hr
    50 - 249
    Chiyoda City, Japan

    Ability to deliver

    30/40.0
    15.8/20 Reviews
    8.3/10 Clients & Experience
    5.8/10 Market Presence

    Service focus

    25% System Integrators
    75% Other
    View Profile Visit Website
  7. CMC Global Logotype

    CMC Global

    $5,000+
    < $25 / hr
    1,000 - 9,999
    Shinagawa City, Japan

    Ability to deliver

    16.7/40.0
    0/20 Reviews
    8.5/10 Clients & Experience
    8.2/10 Market Presence

    Service focus

    60% System Integrators
    40% Other
    View Profile Visit Website
  8. Sun Asterisk Inc. Logotype

    Sun Asterisk Inc.

    $5,000+
    $25 - $49 / hr
    1,000 - 9,999
    Chiyoda City, Japan

    Ability to deliver

    29.5/40.0
    16.2/20 Reviews
    8.8/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    10% System Integrators
    90% Other
    View Profile Visit Website
  9. Persistent Systems Logotype

    Persistent Systems

    $25,000+
    $25 - $49 / hr
    10,000+
    Koto City, Japan

    Ability to deliver

    21.6/40.0
    14.6/20 Reviews
    0/10 Clients & Experience
    7/10 Market Presence

    Service focus

    20% System Integrators
    80% Other
    View Profile Visit Website
  10. TMA Solutions Logotype

    TMA Solutions

    $50,000+
    < $25 / hr
    1,000 - 9,999
    Minato City, Japan

    Ability to deliver

    23/40.0
    13/20 Reviews
    4/10 Clients & Experience
    6/10 Market Presence

    Service focus

    10% System Integrators
    90% Other
    View Profile Visit Website
  11. AGO MARKETING Logotype

    AGO MARKETING

    $1,000+
    $100 - $149 / hr
    2 - 9
    Urayasu, Japan

    Ability to deliver

    22.3/40.0
    15.8/20 Reviews
    2.5/10 Clients & Experience
    4/10 Market Presence

    Service focus

    30% System Integrators
    70% Other
    View Profile Visit Website
  12. Ekohe Logotype

    Ekohe

    $10,000+
    $150 - $199 / hr
    50 - 249
    Shibuya City, Japan

    Ability to deliver

    24.4/40.0
    16.6/20 Reviews
    1.8/10 Clients & Experience
    6.1/10 Market Presence

    Service focus

    10% System Integrators
    90% Other
    View Profile Visit Website
  13. Mercury Technology Solutions Logotype

    Mercury Technology Solutions

    $5,000+
    $100 - $149 / hr
    10 - 49
    Chiyoda City, Japan

    Ability to deliver

    21.8/40.0
    16.6/20 Reviews
    0/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    20% System Integrators
    80% Other
    View Profile Visit Website
  14. SBWorks Logotype

    SBWorks

    Undisclosed
    Undisclosed
    10 - 49
    Chuo City, Japan

    Ability to deliver

    21.8/40.0
    16.6/20 Reviews
    0/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    20% System Integrators
    80% Other
    View Profile Visit Website
  15. Fusion Systems Japan Logotype

    Fusion Systems Japan

    $1,000+
    Undisclosed
    50 - 249
    Minato City, Japan

    Ability to deliver

    21.9/40.0
    16.6/20 Reviews
    0/10 Clients & Experience
    5.3/10 Market Presence

    Service focus

    10% System Integrators
    90% Other
    View Profile Visit Website
  16. Luvina Software JSC Logotype

    Luvina Software JSC

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

    Ability to deliver

    5.6/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.6/10 Market Presence

    Service focus

    40% System Integrators
    60% Other
    View Profile Visit Website
  17. MOR Software JSC Logotype

    MOR Software JSC

    $5,000+
    $25 - $49 / hr
    250 - 999
    Toshima City, Japan

    Ability to deliver

    12.3/40.0
    0/20 Reviews
    6.5/10 Clients & Experience
    5.8/10 Market Presence

    Service focus

    10% System Integrators
    90% Other
    View Profile Visit Website
  18. Hexaware Technologies Logotype

    Hexaware Technologies

    Undisclosed
    Undisclosed
    10,000+
    Chiyoda City, Japan

    Ability to deliver

    7.5/40.0
    0/20 Reviews
    0/10 Clients & Experience
    7.5/10 Market Presence

    Service focus

    15% System Integrators
    85% Other
    View Profile Visit Website
  19. DevSamurai Vietnam JSC Logotype

    DevSamurai Vietnam JSC

    $10,000+
    Undisclosed
    50 - 249
    Minato City, Japan

    Ability to deliver

    8.5/40.0
    0/20 Reviews
    3.6/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    32% System Integrators
    68% Other
    View Profile Visit Website
  20. systemsGo Logotype

    systemsGo

    Undisclosed
    Undisclosed
    50 - 249
    Minato City, Japan

    Ability to deliver

    5.3/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.3/10 Market Presence

    Service focus

    40% System Integrators
    60% Other
    View Profile Visit Website
  21. Hikesiya USA Inc. Logotype

    Hikesiya USA Inc.

    $10,000+
    $25 - $49 / hr
    50 - 249
    Yokohama, Japan

    Ability to deliver

    8.9/40.0
    0/20 Reviews
    4.4/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    20% System Integrators
    80% Other
    View Profile Visit Website

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