| 1977-01 |
Z Point Studio Inc. (now Gigworks Inc.) was established. |
| 1996-04 |
The SleepPro business division was established, and the Kobe (now Osaka) Center was also opened. |
| 1997-06 |
Nagoya Center was opened. |
| 1997-10 |
Customer Service Center was opened. |
| 1999-01 |
Changed the company name to SleepPro Inc. |
| 2000-02 |
Sendai Center was opened. |
| 2000-10 |
Fukuoka Center was opened. |
| 2002-01 |
Relocated the head office to Nishi-Shinjuku, Shinjuku-ku, Tokyo. |
| 2003-11 |
Listed on the Tokyo Stock Exchange Mothers Market. |
| 2004-02 |
Subsidiarized through the acquisition of shares of Core Groove Inc. |
| 2004-11 |
Subsidiarized through the acquisition of shares of JPSS Inc. and opened Hiroshima Center. |
| 2005-02 |
Sapporo Center was opened. |
| 2005-06 |
Subsidiarized through the acquisition of shares of C-ESTechno Inc. |
| 2005-08 |
Yokohama Center was opened. |
| 2006-03 |
Complete subsidiary of JPSS Inc. |
| 2006-05 |
Converted to a holding company through company split and changed the trade name to Sleep Group Inc. |
| 2006-06 |
Established SleepPro Inc. |
| 2006-06 |
Changed the company name from Core Groove Inc. to SleepPro Marketing Inc. |
| 2006-09 |
Subsidiarized through the acquisition of shares of Home Computing Network Inc. |
| 2006-12 |
Established SleepPro Communications Inc. (wholly owned subsidiary), and acquired shares of Knowledge Field Service Inc. (wholly owned subsidiary). |
| 2007-03 |
Obtained ISO/IEC 27001 certification. |
| 2007-04 |
Changed the trade name from Knowledge Field Service Inc. to SleepPro Agency Inc. |
| 2008-01 |
Acquired shares of Merit Inc. to become a subsidiary. |
| 2008-02 |
Established SleepPro Networks Inc. (wholly owned subsidiary). |
| 2009-07 |
SleepPro (Inc.) became a grandchild company through the acquisition of shares of Career Impulse Inc. |
| 2009-10 |
Acquired shares of Wizard Inc. and Japan Assist Inc. to become wholly owned subsidiaries. |
| 2010-01 |
Acquired shares of Assistant Travel Japan Inc. and made it a wholly owned subsidiary. |
| 2010-03 |
Acquired shares of Abiba Inc. and transitioned to a two-pillar organizational structure of 'Educational Support Business' and 'BPO Business'. |
| 2010-08 |
Reconstructed consolidated subsidiaries, conducted absorption mergers of Abiba Inc., Japan Assist Inc., and Career Impulse Inc., and other mergers. |
| 2011-06 |
Transferred shares of Abiba Inc. to specialize in BPO business. |
| 2012-05 |
Reorganized from 9 consolidated subsidiaries to 3 to improve service efficiency. |
| 2013-06 |
Opened a contact center in Fukuoka. |
| 2015-03 |
Changed market to the Second Section of the Tokyo Stock Exchange. |
| 2015-08 |
Acquired all shares of Wellcom IS Inc. to become a wholly owned subsidiary. |
| 2015-11 |
Acquired shares of Asset Design Inc. and obtained the Privacy Mark. |
| 2016-02 |
Acquired all shares of JBM Create Inc. to become a wholly owned subsidiary. |
| 2016-03 |
Received certification as a Good Staffing Business Operator. |
| 2016-04 |
Received the Eruboshi corporate certification. |
| 2017-02 |
Certified as a Healthy Management Excellent Corporation 2017 (White 500). |
| 2017-03 |
Selected as 'Nadeshiko Brand'. |
| 2017-05 |
Received certification as Osaka City Women's Active Leading Company. |
| 2017-10 |
Fully acquired O.A.S. Corporation. |
| 2018-02 |
SleepPro with Tech and Humanware merged and established a new company named Humanware Corporation. |
| 2018-02 |
Certified as a Healthy Management Excellent Corporation 2018 (White 500). |
| 2019-08 |
SleepPro Group Inc. changed its trade name to Gigworks Inc. |
| 2019-09 |
Relocated head office to Toranomon (Minato-ku, Tokyo). |
| 2020-02 |
SleepPro and WELLCOM IS and JBM Create merged to establish Gigworks Advantage Inc. |
| 2020-02 |
SleepPro Agency Inc. changed its company name to Gigworks Advance Inc. |
| 2020-03 |
Recognized for four consecutive years as a Healthy Management Excellent Corporation 2020 (White 500). |
| 2021-03 |
Certified as a Healthy Management Excellent Corporation 2021 (White 500). |
| 2022-01 |
Gigworks Inc. transitioned from a company with a board of auditors to a company with an audit and supervisory committee. |
| 2022-03 |
Asset Design Inc. changed its trade name to Nex Inc. |
| 2022-04 |
Moved to the Standard Market due to Tokyo Stock Exchange reorganization. |
| 2022-07 |
Acquired shares of Yu-Yu Seikatsu Inc. and Japan Direct Sales Inc. |
| 2022-10 |
Japan Direct Sales Inc. absorbed Yu-Yu Seikatsu Inc. and became the new Japan Direct Sales Inc. |
| 2023-09 |
Established a subsidiary, Gig Worker Small Amount Short-Term Insurance Preparation Inc., for entry into the small short-term insurance business. |
| 2024-01 |
Established GreenLight Inc. through joint investment with Mr. Yasushi Akimoto and Mr. Shinsuke Akimoto (51% investment ratio). |
| 2024-03 |
Relocated head office from Toranomon, Minato-ku, Tokyo to Nishi-Shimbashi. |
| 2025-04 |
Transferred all shares of Japan Direct Sales Inc., excluding it from the consolidated subsidiaries. |
