| 1996 | Started up as a venture web hosting business at KUBOTA Systems Inc. |
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| 2000 | Established as Firstserver, Inc. (independent from KUBOTA Systems Inc. ) |
| 2001 | Released the first "Cyboze Groupware" web hosting service in Japan |
| 2003 | Accredited by ICANN as the 6th domain name registrar in Japan |
| 2003 | Released "Domain Total Management Service" ( DTMS ) |
| 2004 | Obtained Information Security Management System (ISMS Ver.2.0) and BS7799 ( BSI: The British Standards Institution) certifications |
| 2004 | Became an owned subsidiary of Yahoo! JAPAN Corporation |
| 2005 | Obtained Privacy Mark* certification * Privacy Mark (in compliance with Japan Industrial Standards ) : The system was set up to assess private enterprises that take appropriate measures to protect personal information. |
| 2006 | Launched "OneStyle My Shop" (SaaS), for building and managing online store websites |
| 2008 | Launched "Template King" blog templates free download website |
| 2009 | Released "Cloud Hosting Service " |
| 2010 | Launched "Server Cowboy," a low priced web hosting service |
| 2010 | Launched "Cloud Application Service" (SaaS) to provide various major software applications for business |
| 2011 | Released "EC-CUBE Cloud Server " for building and managing online store websites |
| 2011 | Launched "Z Cloud," a public IaaS cloud service |