Top 7 Application Modernization Companies in Japan

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Top 7 Application Modernization Companies in Japan

The Best of December 2025

Looking for a top legacy modernization service in Japan?

Application modernization companies can help create new business value from existing applications. Finding the right company to partner with, however, can be an overwhelming process. 

List of the Best Japan Enterprise Application Modernization Services

  • 1
    (4 Reviews) 4.9

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    4.9
    $10,000+
    10 - 49 employees
    Shimizu, Japan

    MaeBe co., Ltd is an app development company. They are located in Shimizu, Japan and Numazu, Japan and have a small team. Their services include mobile app development, web development, enterprise app modernization, e-commerce development, and more.

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    Industries

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  • 2
    (5 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    4.9
    $5,000+
    50 - 249 employees
    Fukuoka, Japan

    Vauldex is a website development firm. Their midsize team is based in Fukuoka, Japan and Cebu City, Philippines. The firm offers Web Development, Mobile App Development, Blockchain, Enterprise App Modernization, and more.

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    Industries

  • 3
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Minato City, Japan
    One Terrace is a Minato City, Japan-based website development company. They specialize in Web Development and Mobile App Development and were launched in 2017.
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    Industries

  • 4
    (4 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.6

    Would Recommend

    4.9
    $10,000+
    50 - 249 employees
    Shibuya City, Japan
    Ekohe is an AI development company established in 2007. The company specializes in Artificial Intelligence, custom software development, enterprise app modernization, ux/ui design, and more and has a small team.
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    Industries

  • 5
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Shinagawa City, Japan
    Tinhvan Outsourcing JSC is a software development company. They specialize in Custom Software Development and Mobile App Development and were established in 2006.
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    Industries

  • 6
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    50 - 249 employees
    Meguro City, Japan
    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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  • 7
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $25,000+
    50 - 249 employees
    Dubai, United Arab Emirates
    In Vadodara, India; Wilmington, Florida; Ahmedabad, India and Singapore, Singapore, Tntra is a custom software development company. The company focuses on Custom Software Development, Web Development, IT staff augmentation, Mobile App Development, and more and is midsize.The company was launched in 2020.
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    Industries

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