- October 2010
- Hitachi Solutions, Ltd. established in Shinagawa-ku, Tokyo.
- October 2011
- Hitachi Solutions (China) Co.,Ltd. established in China.
- March 2012
- Hitachi Business Solution Co., Ltd.(current Hitachi Solutions Create, Ltd.) made a wholly owned subsidiary through a share change.
- April 2012
- Hitachi East Japan Solutions, Ltd.,(current Hitachi Solutions East Japan, Ltd.) Hitachi Chugoku Solutions, Ltd. and Hitachi Systems Kyushu, Ltd. (renamed Hitachi Solutions Kyushu, Ltd.) made consolidate subsidiaries.
Microsoft Dynamics Business was transferred by Hitachi Cousulting Corporation.
Established Zhejiang Hitachi Solutions Software Service Co., Ltd. - January 2013
- Hitachi Chugoku Solutions, Ltd. and Hitachi Solutions Kyushu, Ltd. merged and renamed Hitachi Solutions West Japan, Ltd.
Hitachi Solutions Value, Ltd. and Hitachi Solutions Design, Ltd. merged and renamed Hitachi Solutions Nexus, Ltd. - April 2013
- Established Hitachi Solutions Canada, Ltd.
- June 2013
- Established Hitachi Solutions India Pvt. Ltd.
- January 2015
- Hitachi Solutions Business, Ltd. and Hitachi Solutions Nexus, Ltd. merged and renamed Hitachi Solutions Create, Ltd.
Merged Hitachi Solutions Europe S.A.S with Hitachi Solutions Europe AG. - April 2015
- The social infrastructure, financial, and government & public sectors integrated into the Information & Telecommunication Systems Company of Hitachi, Ltd.
Established Hitachi Solutions Asia Pacific Pte. Ltd. - December 2015
- Acquired Ignify group which had bases in the US, India and South East Asia
- May 2016
- Changed name of the subsidiary of Ignify in Philippines to Hitachi Solutions Philippines Corporation
- June 2016
- Changed name of the subsidiary of Ignify in Thailand to Hitachi Solutions (Thailand), Ltd.
- April 2018
- Hitachi Solutions Create, Ltd. and Hitachi Solutions Service merged
- June 2018
- Acquired Implexis group which had four bases in the Germany
- January 2019
- Changed name of the subsidiary in Germany to Hitachi Solutions Germany GmbH
Acquired Capax Global group based in the US - April 2019
- Changed Hitachi Solutions (China) Co., Ltd. from a subsidiary to an affiliate company
Hitachi ULSI Systems Co., Ltd. made consolidate subsidiary and renamed Hitachi Solutions Technology, Ltd. - April 2023
- From Hitachi Information Engineering, Ltd., the technical communication sectors Transferred to Hitachi Solutions Create, Ltd. and the system solutions sectors to Hitachi Solutions West Japan, Ltd.
Established Opryzon, Ltd. as a joint venture for smart buildings with OBAYASHI CORPORATION.