|1981||Established Tohmatsu Touche Ross Consulting|
|1997||Changed the corporate name to Deloitte Tohmatsu Consulting Co., Ltd.
Joined Deloitte Consulting International Group
|2001||Established Deloitte Systems Chubu Ltd. (Forerunner of ABeam Systems Ltd.)|
|2003||Withdrew from Deloitte Touche Tohmatsu
Changed the corporate name to ABeam Consulting Ltd.
|2004||Formed a strategic capital alliance with NEC Corporation|
|2005||Established GDC (Global Development Centre) in Shanghai|
|2006||Opened business bases in Europe and in Asia|
|2008||Established Second GDC (Global Development Centre) in Xi'an, China|
|2009||Established a US-based arm of its outsourcing practice|
|2011||Formed a strategic alliance with BearingPoint Holding B.V.
Service operations start in Indonesia
|2012||Established Third GDC (Global Development Centre) in Dalian, China|
|2013||Service operations start in Brazil|
|2015||Formed a strategic alliance with Grupo ASSA Corp.
Equity participation in Optimum Solutions Singapore Pte. Ltd.
|2018||Service operations start in Vietnam|