It was founded in November 2000 as a subsidiary of the Japanese corporation Hitachi, and employed approximately 6,500 people in the US, Japan, Brazil, China, India, Portugal, Singapore, Spain, the UK, Germany, and Vietnam.

[4] Hitachi Consulting Europe (HCE) was founded in March 2006 through the establishment of subsidiaries in the United Kingdom, Spain and Portugal.

In March 2009, Hitachi Consulting successfully acquired Edenbrook, a UK-based Microsoft and Oracle implementation partner.

[7] On May 1, 2014, Hitachi Consulting announced that it had acquired IMGroup, a specialist UK-based provider of Information Management and Business Intelligence services.

[9] This greatly increased Hitachi Consulting's global reach in Southeast Asia, with additional offices in Thailand, Malaysia, Indonesia, and Australia.