| 1991-01 |
Established SYSystem Co., Ltd. : (Head office: Naka-ku, Nagoya-shi, Aichi) : (The company name is derived from the initials of the founders, Hironori Suzuki and Tetsuya Yasuda.) |
| 2002-04 |
SYSystem Co., Ltd. opens an office in Kanto area (Chiyoda-ku, Tokyo) |
| 2002-07 |
SYSystem Co., Ltd. established Shanghai Yuri Software Co., Ltd. (Shanghai, China) |
| 2004-03 |
SYSystem Co.,Ltd. opens an Office in Kansai area (Kita-ku, Osaka-shi, Osaka) |
| 2004-12 |
SYSystem Co., Ltd. obtained Privacy Mark which was certified by Japan Information Processing Development Corporation. |
| 2006-03 |
SYSystem Co., Ltd. established Xi’an Yuri Software Co.,Ltd. (China: Xi’an) |
| 2010-04 |
SYSystem Co., Ltd : ISO 27001:2005 and JIS Q 27001:2006 certified. |
| 2011-02 |
Established SYI Co., Ltd. (Business Headquarters: Chuo-ku, Osaka-shi) as a subsidiary specializing in the financial industry and embedded technology |
| 2012-04 |
SYSystem Co., Ltd. Established PT.SYS INDONESIA (Indonesia: Jakarta) |
| 2012-05 |
SYSystem Co., Ltd. acquired shares of ESUKEI Co., Ltd. (Headquarters: Chuo-ku, Tokyo), which specializes in mobile products and technologies, and made it a subsidiary. |
| 2013-06 |
ESUKEI Co., Ltd. obtained Privacy Mark which was certified by Japan Information Processing Development Corporation. |
| 2013-08 |
Established a holding company by transferring shares of SYSystem Co., Ltd. to operate business as SYS Holdings Group |
| 2013-10 |
The Company acquired the shares of Sogo System Research Co., Ltd. (Headquarters: Nakamura-ku, Nagoya-shi, Aichi), which specializes in automotive embedded technology and reliability testing and made it a subsidiary. : Sogo System Research Co., Ltd. : ISO 27001:2005, JIS Q 27001:2006 certified. |
| 2014-02 |
SYS Holdings Co.,Ltd : ISO 27001:2005, JIS Q 27001:2006 certified |
| 2014-09 |
SYS Holdings Co.,Ltd : ISO 9001:2008, JIS Q 9001:2008 certified |
| 2014-10 |
SYSystem Co., Ltd. established Global Information Technology Co., Ltd. (Business Headquarters: Chuo-ku, Tokyo) as a subsidiary specializing in industrial air conditioning and embedded technologies. |
| 2015-09 |
Public vocational training centre "SY• IT College" operated by SYSystem Co., Ltd ; ISO29900:2010 certified |
| 2016-01 |
SYSystem Co., Ltd. acquires all businesses of Happy Net Co., Ltd. |
| 2016-04 |
SYI Co.,Ltd, Global Information Technology Co.,Ltd : SO27001:2013, JIS27001:2014 certified |
| 2017-03 |
Sold all shares of Shanghai Yuri Software Co.,Ltd and Xi’an Yuri Software Co., Ltd to Mou Kenki who is one of the founders of these two companies. These two companies will become an important overseas partner of the SYS Holdings Group. |
| 2017-06 |
Listed with JASDAQ (Standard) of the Tokyo Stock Exchange |
| 2017-11 |
Acquired shares of Techno Fusion (Head office: Naka-ku, Nagoya-shi, Aichi), which specializes in the development of embedded systems for automobiles, and made it a subsidiary. |
| 2019-04 |
SYSystem Co.,Ltd. took over all operations of AtOne Co.,Ltd. |
| 2019-05 |
Acquired shares of Cyber Nex Co.,Ltd. (head office: Nishi-ku, Nagoya-shi, Aichi), which specializes in IT infrastructure design, installation and maintenance, and made it a subsidiary. |
| 2019-08 |
SYSystem Co.,Ltd. took over the business of Masters Solution Co.,Ltd. |
| 2021-05 |
Acquired shares of Resonant Communications Co., Ltd. (Head office: Tachikawa City, Tokyo), which specializes in BPO services such as technical support, and made it a subsidiary. |
| 2021-11 |
Acquired shares of Thread & Half Co., Ltd. (Head office: Chiyoda-ku, Tokyo), Planning, development, introduction, and operation, mainly web services, etc.A group of specialists who provide total solution services. |
| 2022-03 |
Acquired shares (Shinjuku-ku, Tokyo office) specializing in software development, maintenance, and operation business mainly for public institutions such as local governments and a subsidiary of Magna System Co., Ltd. |
| 2022-07 |
For the purpose of integrating the know-how and management resources of the two companies and improving management efficiency, an absorption-type merger was carried out with Org Co., Ltd., a consolidated subsidiary of the Company, as the surviving company, and Magna System Co., Ltd. as the dissolved company. |
| 2022-11 |
Acquired shares of NetPark21 Co., Ltd. (Head Office: Nagoya City, Aichi Prefecture), which specializes in web design development, ICT support, and outsourcing, making it a subsidiary. |
| 2022-11 |
Acquired shares of Tsukuba Software Engineering Co., Ltd. (Head Office: Tsuchiura City, Ibaraki Prefecture), which specializes in image-related software development, and made it a subsidiary. |
| 2022-11 |
Acquired shares of THAI SOFTWARE ENGINEERING CO., LTD. (Bangkok, Thailand), which specializes in system development to improve the operations of factories and companies, which is the company's Thai subsidiary, and made it a subsidiary. |
| 2022-11 |
Acquired shares of ASYC Co., Ltd. (Head Office: Osaka City, Osaka), which specializes in material handling logistics systems, and made it a subsidiary. |
| 2022-11 |
Acquired shares of AIGA Co., Ltd. (Head Office: Nagoya City, Aichi Prefecture), which specializes in EC site development and operation and training of young engineers, and made it a subsidiary. |
| 2023-11 |
For the purpose of integrating the know-how and management resources of the two companies and improving management efficiency, an absorption-type merger was carried out with Sysystem Co., Ltd., a consolidated subsidiary of the Company, as the surviving company, and Asyc Co., Ltd. as the dissolved company. |
| 2024-02 |
Acquired shares of Cisystem Co., Ltd. (Head Office: Tsu City, Mie Prefecture) specializes in business system development and design, making it a subsidiary. |
| 2024-04 |
Acquired shares of Marion Co., Ltd. (Head Office: Toshima-ku, Tokyo office) specializes in Infrastructure construction and middleware development for public and financial systems. |
| 2024-08 |
Acquired shares of AdamApp Co., Ltd. (Head Office: Minato-ku, Tokyo office) specializes in System consulting, user needs research, system development, and maintenance with a focus on the travel industry. |
| 2025-01 |
Re:kailum co.,ltd. (Headquarters: Nagoya City, Aichi Prefecture) was established. |
| 2025-02 |
両社の持つノウハウ・経営資源の統合と経営効率化を目的として、当社連結子会社である㈱総合システムリサーチを存続会社、㈱アダムアップを消滅会社とする吸収合併を実施 |
| 2025-02 |
For the purpose of integrating the know-how and management resources of the two companies and improving management efficiency, an absorption-type merger was carried out with Sogo System Research Co., Ltd. a consolidated subsidiary of the Company, as the surviving company, and AdamApp Co., Ltd. as the dissolved company. |
| 2025-05 |
コア技術に特化した技術開発分野への対応を得意とする㈱ラーカイラム(本社：東京都品川区)から、東京・神奈川・愛知における情報サービス事業を譲受 |
| 2025-05 |
当社が組込・制御・社会インフラ系システム開発を得意とする㈱ＨＴＣ(本社：大阪府大阪市)の株式を取得し子会社化 |
| 2025-05 |
(株)エスワイシステムがモバイル製品・技術に特化した(株)エス・ケイ(本社：東京都中央区)の株式を取得し子会社化 |
| 2025-05 |
Acquired information services business in Tokyo, Kanagawa, and Aichi from Re:kailum co.,ltd. (Head office: Shinagawa-ku, Tokyo), which specializes in core technology and technological development. |
| 2025-05 |
Acquired shares of Human Trust Communication Inc. (Head Office: Osaka City, Osaka Prefecture) Specializes in embedded, control, and social infrastructure systems development. |
| 2025-06 |
東京証券取引所ＪＡＳＤＡＱ(スタンダード)に株式を上場 |
| 2025-08 |
両社の持つノウハウ・経営資源の統合と経営効率化を目的として、当社連結子会社である㈱エスワイシステムを存続会社、シー・アイ・システム㈱を消滅会社とする吸収合併を実施 |
| 2025-08 |
両社の持つノウハウ・経営資源の統合と経営効率化を目的として、当社連結子会社であるサイバーネックス㈱を存続会社、㈱ネットパーク２１を消滅会社とする吸収合併を実施すると共に、商号をＫＥＥＬ㈱に変更 |
| 2025-08 |
当社がiOS、Androidアプリ開発を得意とする㈱アイビーシステム(本社：新潟県新潟市)の株式を取得し子会社化 |
| 2025-08 |
For the purpose of integrating the know-how and management resources of the two companies and improving management efficiency, an absorption-type merger was carried out with SYSYSTEM CO., Ltd. a consolidated subsidiary of the Company, as the surviving company, and Cisystem Co., Ltd. as the dissolved company. |
| 2025-08 |
For the purpose of integrating the know-how and management resources of the two companies and improving management efficiency, an absorption-type merger was carried out with Cybernex Co., Ltd., a consolidated subsidiary of the Company, as the surviving company, and Netpark21 Co., Ltd. as the dissolved company. In addition, the trade name was changed to KEEL Co., Ltd. |
| 2025-08 |
Acquired shares of IBSystem Co., Ltd. (Head Office: Niigata City, Niigata Prefecture). Specializes in iOS and Android application development. |
| 2025-10 |
当社が自動車の組込技術・信頼性試験に特化した(株)総合システムリサーチ(本社：愛知県名古屋市中村区)の株式を取得し子会社化 : (株)総合システムリサーチが : ISO27001:2005, JIS Q 27001:2006認証取得 |
| 2025-11 |
当社が自動車向けの組込システムの開発に特化した(有)テクノフュージョン(本社：愛知県名古屋市中区)の株式を取得し子会社化 |
| 2026-02 |
当社が組込開発を得意とする㈱サンライジングコーポレーション(本社：愛知県名古屋市)の株式を取得し子会社化 |
| 2026-02 |
Acquired shares in SUNRISING CORPORATION Co., Ltd. (Headquarters: Nagoya City, Aichi Prefecture), a company specializing in embedded system development, making it a subsidiary. |
