T&S Group
T&S Group is a Japanese corporate group centered on T&S Inc., providing software development, IT services, and advanced AI business.
Last updated September 16, 2026
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Overview
T&S Group is a corporate group that began with Shinano System Engineering INC, established in 1985, merged with TECJAPAN CO., LTD, established in 1996, and was born in 2016, with T&S inc. as its core operating company. The group is based on software development and IT services, and has been expanding its cutting-edge AI business. It is listed on the Tokyo Stock Exchange Growth Market under securities code 4055.
History
T&S Group started with Shinano System Engineering INC, established in 1985, merged with TECJAPAN CO., LTD, established in 1996, and was born in 2016, with T&S inc. as its core operating company. In November 2016, T&S Inc. was established through the consolidation of TECJAPAN CO., LTD (founded 1996) and Shinano System Engineering INC (founded 1985), starting with headquarters in Nishi-ku, Yokohama, Kanagawa, and a Yokohama Development Center in Kanagawa-ku, Yokohama. In November 2017, the Yokohama Development Center was integrated into the headquarters for operational efficiency. In March 2018, ISO/IEC 27001 was acquired at T&S Inc. headquarters. In April 2018, a new business promotion department (Artificial intelligence: AI) was organized. In June 2018, the Yokkaichi office was opened. In July 2019, the Kitakami office was opened. In July 2019, a collaborative research agreement was signed with the Center for Innovative Integrated Electronic Systems, Tohoku University. In August 2020, the company was listed on the Tokyo Stock Exchange Growth Market.
Products and positioning
A group that solves customer issues through advanced software technology and supports product, merchandise, and infrastructure development.
Third-party verification services
Software verification according to customer's project status, including test plan support, test design support, and test implementation support.
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