| 1991 |
Since its establishment in 1991, our company has aimed to be an 'Innovator' through IT. |
| 1991-12-16 |
Founded in Higashi-Gotanda, Shinagawa-ku, Tokyo, with capital of 50 million yen. Invested by two companies of the Sumitomo Metal Industries Group and other investors in proportion to their investment ratios. |
| 1991-12-16 |
Established S.I. Infogenic Corporation in Higashi-Gotanda, Shinagawa-ku, Tokyo, with capital of 50 million yen. |
| 1992-09 |
|
| 1992-09 |
Established Kyushu branch. |
| 1996-04 |
|
| 1996-04 |
Established Kansai branch. |
| 1997-08 |
|
| 1997-08 |
Relocated headquarters to Bunkyo-ku, Hongo. |
| 2000-03 |
|
| 2000-03 |
Established affiliated company Adi Corporation. |
| 2000-09 |
Started as an independent system integrator company. |
| 2000-09 |
Separated from Sumitomo Metal Industries Group, started as an independent system integrator company |
| 2001-03 |
|
| 2001-03 |
Capital increased to 75.5 million yen |
| 2005-12 |
Capital increased to 285 million yen. |
| 2005-12 |
Merged with Business Brain Corporation, capital increased to 285 million yen |
| 2006-06 |
|
| 2006-06 |
Established General Research Institute (Kanazawa & Fukui) (current Kanazawa Office & Fukui Office) |
| 2006-09 |
|
| 2006-09 |
Capital increased to 293.5 million yen |
| 2006-10 |
|
| 2006-10 |
Obtained Privacy Mark certification |
| 2006-11 |
|
| 2006-11 |
Obtained certification for General Worker Dispatching Business |
| 2008-01 |
|
| 2008-01 |
Opened Nagoya Office (current Nagoya Office) |
| 2011-01 |
|
| 2011-01 |
Signed exclusive sales rights agreement with SecuGen Corporation in the US |
| 2011-07 |
|
| 2011-07 |
Established Kofu Office |
| 2013-08 |
|
| 2013-08 |
Opened Sendai Office (current Sendai Office) |
| 2014-04 |
|
| 2014-04 |
Established subsidiary "RMA Corporation" |
| 2016-02 |
Relocated headquarters to Kudan-kita, Chiyoda-ku, Tokyo. |
| 2016-02 |
Changed trade name from "SI Infogenic Corporation" to "SIG Corporation" |
| 2016-03 |
|
| 2016-03 |
Liquidation in December 2016. |
| 2016-03 |
Transferred business from subsidiary "RMA Corporation" |
| 2016-03 |
Dissolved subsidiary "RMA Corporation" (liquidation in December 2016) |
| 2017-01 |
|
| 2017-01 |
Opened Yokohama Branch Office |
| 2017-10 |
|
| 2017-10 |
Merged with Adi Corporation |
| 2017-12 |
|
| 2017-12 |
Third-party allotment of new shares to Tekpo Systems Corporation, capital increased to 391 million yen |
| 2018-06 |
|
| 2018-06 |
Listed on Tokyo Stock Exchange JASDAQ (Standard) Market |
| 2019-06 |
|
| 2019-06 |
Changed market to Tokyo Stock Exchange Second Section |
| 2019-10 |
|
| 2019-10 |
Cloud Business Center (Yokohama) Opening |
| 2020-10 |
|
| 2020-10 |
Acro Holdings Co., Ltd. Becomes a Related Company |
| 2021-04 |
|
| 2021-04 |
SIG Split Preparation Company (Currently SIG Co., Ltd.) Established |
| 2021-09 |
Concluded an agreement with Y.C.O. Corporation. |
| 2021-09 |
Capital and Business Alliance Agreement Signed with Y.C.O. Co., Ltd. |
| 2021-10 |
Changed trade name to SIG Group Corporation. Inherited business operations including sales, system development, infrastructure, and security services. |
| 2021-10 |
In October 2021, to further develop our business and build a more robust corporate structure, we transitioned to a holding company system and restarted as SIG Group Corporation. |
| 2021-10 |
Implemented a spin-off by absorption, changed trade name to "SIG Group Co., Ltd.", and transitioned to a holding company structure |
| 2022-02 |
|
| 2022-02 |
Y.C.O. Co., Ltd. Became a Subsidiary |
| 2022-04 |
Transitioned to the Standard Market. |
| 2022-04 |
Due to review of market classification by the Tokyo Stock Exchange, transitioned from the Second Section to the Standard Market of the Tokyo Stock Exchange |
| 2023-03 |
|
| 2023-03 |
Acquired Act Information Service Co., Ltd. as a subsidiary |
| 2024-02 |
|
| 2024-02 |
Acquired UI Solutions Co., Ltd. as a subsidiary |
| 2024-03 |
Excluded from equity-method affiliates. |
| 2024-03 |
Excluded from equity-method affiliates through partial sale of shares of Acro Holdings Co., Ltd. |
| 2025-03 |
Excluded from subsidiaries. |
| 2025-03 |
|
| 2025-03 |
Excluded from subsidiaries through full sale of shares of Y.C.O. Co., Ltd. |
| 2025-03 |
Acquired A.Creation Co., Ltd. as a subsidiary |
