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eXmotion Co., Ltd.

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A Japanese consulting firm specializing in embedded software development support, combining consulting, generative-AI tools, and engineer training.

Last updated September 26, 2026

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Overview

eXmotion Co., Ltd. (株式会社エクスモーション) is a Japanese software development consulting company headquartered in Osaki, Shinagawa-ku, Tokyo. It was established on September 1, 2008, in Shiba, Minato-ku, Tokyo, as a company focused on consulting for embedded software development. The company positions itself as a consulting firm that supports the "new manufacturing in the software era," helping clients whose products increasingly derive their functions and value from software rather than hardware. eXmotion's business centers on three pillars: consulting services, education and human-resource development, and tool services. Its consulting work includes project diagnosis (problem discovery and improvement proposals), on-site support for implementing improvements, introduction of generative AI into development, creation and improvement of SysML and UML models, and comprehensive support for component reuse. In the generative-AI field, it offers CoBrain, an AI specialized in requirements definition, and in education it provides Eureka Box, an online learning service, along with short intensive training programs. The company emphasizes three strengths: highly specialized personnel, a business specialized in embedded software, and one-stop support. Its stated policies are to "make the invisible visible," "make complex things simple," and "not only theory but through practice." It describes itself as a "technical staff officer" for development sites, combining strategy formulation with hands-on implementation. eXmotion is part of the Solxyz Group. According to a message from Chairman Akira Nagao, who also serves as chairman of Solxyz, the group established eXmotion as a company specialized in embedded-system development consulting, seeing embedded systems as a promising market and focusing on the upstream processes of system development. eXmotion is listed on the Tokyo Stock Exchange Growth Market under the ticker 4394. Its representative director and president is Hiroyuki Watanabe. The company has a subsidiary, bubo Co., Ltd., and holds PrivacyMark and ISMS (ISO/IEC 27001) certifications.

History

eXmotion Co., Ltd. was established on September 1, 2008, in Shiba, Minato-ku, Tokyo, as a company providing software development consulting services. It was founded within the Solxyz Group, which established it as a company specialized in embedded-system development consulting. According to Chairman Akira Nagao, the group pursued two main businesses: system integration and stock-type businesses, and identified embedded systems as a promising market while focusing on the upstream processes of system development. eXmotion was created as an industry-first attempt to provide practical consulting at development sites together with medium- to long-term human-resource development for development members. In 2017, the company relocated its headquarters to Osaki, Shinagawa-ku, Tokyo. In 2018, it listed on the Tokyo Stock Exchange Mothers market (now the Growth Market). In 2023, it made Hinode Soft Co., Ltd. a subsidiary to expand its business. The company has continued to develop its consulting, education, and tool businesses, and more recently has offered generative-AI services such as CoBrain for requirements definition and Eureka Box for online learning. It holds PrivacyMark and ISMS (ISO/IEC 27001) certifications and has a subsidiary, bubo Co., Ltd.

  • 2023

    Made Hinode Soft Co., Ltd. a subsidiary to expand business.

  • 2018

    Listed on the Tokyo Stock Exchange Mothers market.

  • 2017

    Relocated headquarters to Osaki, Shinagawa-ku, Tokyo.

  • 2008

    Established in Shiba, Minato-ku, Tokyo, as eXmotion Co., Ltd.

Products and positioning

A consulting firm specialized in embedded software, offering one-stop practical support as a "technical staff officer" for development sites.

  • CoBrain

    An AI specialized in requirements definition, provided as part of the generative-AI business.

  • Eureka Box

    An online learning service provided as part of the education and human-resource development business.

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