| October 1999 |
Established as “Car24 Co., Ltd.” in Ikebukuro, Toshima-ku, Tokyo |
| February 2001 |
Purchased the trademark "Car24" and Car24 System Rights Equity from ASCII EC Co., Ltd. |
| June 2002 |
Changed company name to IT Platform Co., Ltd. |
| June 2003 |
Specified worker dispatch business registration |
| December 2008 |
General construction industry registration |
| April 2009 |
Changed company name to ASTOP Industrial Co., Ltd. |
| April 2014 |
Changed company name to ASTOP Co., Ltd. |
| October 2015 |
Acquired approval as a worker dispatch business (Dispatch 13-306145) |
| February 2017 |
NetSuite business started |
| January 2019 |
Accredited as a "privacy mark" licensed business operator |
| January 2021 |
Relocated Head Office to the Green Avenue near Ikebukuro Station East Exit |
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