| 7/1987 | Formation of icomsoft Co. Inc. |
|---|---|
| 10/1987 | Start business operation |
| 6/1990 | Open Tokyo Sales Office in Chiyoda-ku (Kanda) |
| 4/1999 | Change the name to Tokyo Business Office |
| 3/2004 | Registered in METI SI Company List |
| 5/2004 | Increase company capital to 60 million JPY from 50 million JPY |
| 8/2004 | Tokyo Business Office move to Sumida-ku (Kinshi-cho) for business expansion |
| 3/2006 | Update the registration in METI SI Company List |
| 6/2006 | Receive information security certification (ISO27001, JIS27001) |
| 4/2007 | Establishment of consulting service with ISO27001 certification |
| 4/2007 | Launch built-in software development group |
| 3/2008 | Update the registration in METI SI Company List |
| 4/2008 | Launch content business |
| 4/2008 | Receive quality management system certification (ISO9001:2000/JISQ9001:2000) |
| 5/2009 | Continuation of information security (ISO27001,JISQ27001) authentication registration |
| 6/2009 | Open Fukuoka Business Office in front of Hakata Station |
| 3/2010 | Update the registration in METI SI Company List |
| 4/2010 | Update the quality management system certification (ISO9001:2008/JISQ9001:2008) |
| 3/2011 | Continuation of quality management system (ISO9001:2008/JIS Q 9001:2008) authentication registration |
| 4/2012 | Continuation of information security (ISO27001,JISQ27001) authentication registration |
| 6/2012 | Move Tokyo Business Office to Shinagawa-ku (Higashi Gotanda) for improvement of customer service, earthquake disaster countermeasure and expansion of recruitment area |
| 3/2014 | Fukuoka business establishment, from the 8th floor, on the 6th floor, expansion and relocation |
| 3/2014 | Continuation of quality management system (ISO9001:2008/JIS Q 9001:2008) authentication registration |
| 5/2015 | Update the information security certification (ISO27001:2013/JISQ27001:2014) |
| 7/2015 | Tokyo business establishment, to Higashigotanda, Shinagawa-ku honey Gotanda 2nd building 2F,expansion and relocation |
| 5/2016 | Open Fuchu Business Office in Fuchu-City |