- Apr. 1995
Aim CIC Company was founded for the business of dispatching personnel for in-plant work.
- July 1996
Aim CIC was renamed Nihon Aim Co., Ltd.
- Dec. 2003
Nihon Aim was listed in the JASDAQ market.
- Apr. 2006
ARTISTA Co., Ltd. became a subsidiary of Nihon Aim whereby the company began dispatching design and development engineers.
- Apr. 2007
Nihon Aim and Apex Inc. jointly transferred shares to establish United Technology Holdings Co., Ltd. (currently UT Group Co., Ltd.) as a pure shareholding company and a parent company of wholly owned subsidiaries. It was listed in the JASDAQ market (Nihon Aim became unlisted).
- Jan. 2009
United Technology Holdings was renamed UT Holdings Co., Ltd.
- Nov. 2009
All shares of Apex was acquired by HACHITOKU Co., Ltd.
- Jan. 2010
Comm Leading Co., Ltd. was established, to strengthen the design and development engineer dispatch business.
- Mar. 2010
Comm Agent Co., Ltd. was established in order to enter the retail worker dispatch business.
- Dec. 2011
ARTISTA and Comm Leading were combined to form Comm Leading.
- Apr. 2012
Comm Agent was renamed UT icom Co., Ltd. And began providing manufacturing workers and outsourcing.
UT Career Co., Ltd. was established to enter the outplacement business.
UT Construction Network Co., Ltd. was established to enter the construction engineer dispatch business.
- June 2012
UT icom spun off its retail dispatch business and established UT Agent Co., Ltd.
- July 2012
To enhance the UT Group’s brand power, some subsidiaries were renamed to make corporate names of all subsidiaries to start with UT. Accordingly Nihon Aim was renamed to UT Aim Co., Ltd, and Comm Leading to UT Leading Co., Ltd.
- Oct. 2012
UT Life Support Co., Ltd. was established to expand welfare services to employees.
- Jul 2013
81% of shares of Panasonic Battery Engineering Co., Ltd. was acquired to make it a subsidiary that was renamed UT Pabec Co., Ltd.
- Apr. 2014
UT icom Co., Ltd. and UT Revive Co., Ltd., both in manufacturing dispatch and outsourcing, were merged to UT Aim Co., Ltd.
- Mar. 2015
Shares of System Revolution Co., Ltd. was acquired and became a subsidiary.
- July 2015
UT Holdings Co., Ltd. was renamed to UT Group Co., Ltd.
- Oct. 2015
UT Leading Co., Ltd. was renamed to UT Technology Co., Ltd.
UT Construction Network Co., Ltd. was renamed to UT Construction Co., Ltd.
System Revolution Co., Ltd. was renamed to UT System Co., Ltd.