| 1967-12 |
Established Sigma Co., Ltd. with the purpose of operating game machine installation businesses centered on imported entertainment machines. |
| 1990-04-18 |
The maximum remuneration for directors was decided at the special shareholders' meeting held on April 18, 1990, to be within 500 million yen per year. |
| 1998-06-26 |
The maximum remuneration for auditors was decided at the 31st regular shareholders' meeting held on June 26, 1998, to be within 50 million yen per year. |
| 1998-11 |
Registered shares at the Tokyo Stock Exchange (formerly the Japan Securities Association). |
| 2000-10 |
Under the umbrella of Alze Co., Ltd. (now Universal Entertainment Co., Ltd.), our company (Sigma Co., Ltd., the surviving company), Technical Management Co., Ltd., and Kankaku Design Co., Ltd. merged and changed the company name to AdAres Co., Ltd. |
| 2017-10 |
With the transition to a holding company structure, the company name was changed to KeyHolder Co., Ltd. and the listing was maintained. The retail operations division became a 100% subsidiary of our company as AdAres Co., Ltd. |
| 2018-03 |
Transferred all shares of AdAres Co., Ltd., which was a 100% subsidiary. |
| 2018-04 |
Established KeyStudio Co., Ltd. for live entertainment business and KeyProduction Co., Ltd. for television program production as 100% subsidiaries. |
| 2018-07 |
Established the joint venture company FA Project Co., Ltd. for planning, development, and production of entertainment content. |
| 2018-12 |
Established the entertainment production company SKE Co., Ltd. for managing idols and talents. |
| 2019-03 |
The idol group SKE48 joined SKE Co., Ltd. and began activities as a member of the KeyHolder Group. |
| 2019-04 |
Acquired 100% ownership of Allfuz Co., Ltd., a business partner, through a share exchange. Also acquired all shares of Foilin Large Co., Ltd., a television program production company, and made it a 100% subsidiary. |
| 2019-04 |
Acquired 100% subsidiary status of 'Allfuz Co., Ltd.', a business partner, through share exchange: Acquired all shares of 'Furlin Large Co., Ltd.', which produces television programs, and made it a 100% subsidiary. |
| 2019-07 |
Changed the company name of SKE Co., Ltd. to Zest Co., Ltd. and promoted new businesses. Allfuz Co., Ltd. remained as the surviving company, and KeyStudio Co., Ltd. was absorbed and merged. |
| 2019-07 |
Changed the corporate name of 'SKE Co., Ltd.' to 'Zest Co., Ltd.' and promoted new business. : Absorbed and merged 'Key Studio Co., Ltd.' into 'Allfuz Co., Ltd.' as the surviving company. |
| 2019-07 |
Changed the corporate name of SKE Inc. to Zest Inc. and promoted new business. : Absorbed KeyStudioio Inc. into allfuz Inc., which remains the surviving company. |
| 2019-07 |
Changed the corporate name of SKE Inc. to Zest Inc. and promoted new business. : Absorbed KeyStudio Inc. into allfuz Inc., which remains the surviving company. |
| 2019-08 |
Established 'United Productions Co., Ltd.', the largest independent film production company in the industry, by merging the film production divisions of 'Furlin Large Co., Ltd.', 'Key Production Co., Ltd.', and 'Image Field Co., Ltd.' |
| 2019-08 |
Established 'United Productions Co., Ltd.', the largest independent film production company in the industry, by merging the film production divisions of 'Furlin Large Co., Ltd.', 'Key Production Co., Ltd.', and 'Image Field Co., Ltd.' |
| 2019-10 |
Acquired all shares of 'Waisen Large Co., Ltd.', a personnel dispatch company in the film production field, and made it a 100% subsidiary. |
| 2020-01 |
Established the joint venture company 'Hall World Media Co., Ltd.' with joint investment from 'Kadokawa Haruki Office Co., Ltd.' (our investment ratio 49%). |
| 2020-08 |
Acquired all shares of 'North River Co., Ltd.', which conducts total production business of video content and live events, and made it a 100% subsidiary (KeyHolder 95%, FA Project 5%). Implemented a share consolidation of 10 shares into 1 share. |
| 2020-09 |
Transferred all shares of 'Keynote Co., Ltd.', which was a 100% subsidiary, through a share exchange. |
| 2021-08 |
Divested 'North River Co., Ltd.' and established 'Eak Company Co., Ltd.', which conducts general private passenger automobile transport business, etc. |
| 2022-01 |
Merged 'United Productions Co., Ltd.' and 'Waisen Large Co., Ltd.' to become the leading independent film production company in Japan, 'United Productions Co., Ltd.' (formerly Waisen Large). In 'TechCarry Co., Ltd.' (formerly United Productions), started a film production equipment rental business and post-production business. |
| 2022-01 |
Merged 'United Productions Co., Ltd.' and 'Waisen Large Co., Ltd.' to become the leading independent film production company in Japan, 'United Productions Co., Ltd.' (formerly Waisen Large). In 'TechCarry Co., Ltd.' (formerly United Productions), started a film production equipment rental business and post-production business. |
| 2022-04 |
Moved from the Tokyo Stock Exchange JASDAQ Standard market to the Tokyo Stock Exchange Standard market due to the reorganization of market classifications. |
| 2022-04 |
In accordance with the reorganization of market categories at the Tokyo Stock Exchange, transitioned from the Tokyo Stock Exchange JASDAQ Standard Market to the Tokyo Stock Exchange Standard Market. |
| 2022-07 |
Started internet advertising and internet media businesses in the advertising agency sector through acquisition of business. |
| 2023-05 |
The newly established subsidiary 'TOKYO ROCK STUDIO Co., Ltd.' started back-office operations related to film production and global film production business through acquisition of business. |
| 2023-10 |
Established 'bijoux Co., Ltd.', which conducts audition hosting and operation business. |
| 2024-01 |
Acquired 51% of the shares of '10ANTZ Co., Ltd.', which plans, produces, and sells internet content, digital content, audio, video, and game software, and made it a subsidiary. |
| 2024-10 |
Acquired all shares of 'Topos Enterprise Co., Ltd.', which conducts logistics and wholesale business, and made it a 100% subsidiary. |
| 2025-05 |
Acquired all shares of 'Red List Co., Ltd.', the operating company of 'Empire Steak House Roppongi' located in Roppongi, and made it a 100% subsidiary. |
| 2025-05 |
Acquired all shares of Red List Inc., the operating company of Empire Roppongi located in Roppongi, and made it a 100% subsidiary. |
| 2025-08 |
Acquired all shares of 'Aoi Corporation Co., Ltd.', which operates an entertainment production business, and made it a 100% subsidiary. |
| 2026-04 |
Implemented organizational restructuring among subsidiaries. Changed the corporate name of 'SKE Co., Ltd.' (formerly 'Zest Co., Ltd.'), changed the corporate name of 'Zest Co., Ltd.' (formerly 'allfuz Co., Ltd.'), and absorbed and merged 'A.M. Entertainment Co., Ltd.' into 'Zest Co., Ltd.' (formerly 'allfuz Co., Ltd.'). |
| 2026-04 |
Implemented organizational restructuring among subsidiaries. Changed the corporate names of SKE Inc. (formerly Zest Inc.) and Zest Inc. (formerly allfuz Inc.), and absorbed A.M. Entertainment Inc. into Zest Inc. (formerly allfuz Inc.). : Details here |
