History

1985
Jul. Established Work Data Bank Co. Ltd. (Predecessor of the current WDB Holdings Co., Ltd.) at 68 Honmachi, Himeji-shi with ¥1 million paid-in capital.
Started the first administrative support service in Himeji.
1986
Jul. Worker Dispatching Undertakings Act comes into force.
1987
Jun. Capital increased to ¥8 million.
1989
Dec. Capital increased to ¥10 million.
1990
May. Capital increased to ¥15 million.
Sep. Head Office moved to the Sompo Japan Himeji Bldg., 2-1 Nounen-cho, Himeji-shi. (Now Fars Himeji Bldg.)
1991
Apr. Entered into the placement business (business managers).
1992
Jun. Capital increased to ¥20 million.
1993
Jun. Capital increased to ¥40 million.
1996
Jul. Capital increased to ¥80 million.
1999
Dec. Established Task Management Co., Ltd. (Dissolved in 2010)
2001
Feb. Established Tedis Co., Ltd. (Renamed to WDB Tedis Co., Ltd.)
Sep. Acquired Privacy Mark certification.
Oct. Acquired ISO9001 certification. (Returned in February 2016)
Dec. Established Research Network Co., Ltd. (Renamed to WDB Systems Co., Ltd.)
2002
Apr. Opened a representative office in Shanghai.
Nov. Changed the company name from Work Data Bank Co., Ltd. to WDB Co., Ltd.
Established Envalue Co., Ltd. (Dissolved in 2007)
2003
Sep. Purchased the rights to operate branches of Human West Co., Ltd. in Okayama, Hiroshima, Takamatsu and Tokushima.
Oct. Task Management is made a wholly owned subsidiary through a share exchange.
Capital increased to ¥100 million.
Business tie-up with WODB.
2004
Jan. Established WDB EUREKA Co., Ltd. (Now EUREKA Company)
Head Office moved to Nippon Building, 2-6-2 Otemachi, Chiyoda-ku, Tokyo.
Established Group headquarters in the Himeji Parashio 2 Building, 100 Minamiekimae-cho, Himeji-shi, Hyogo.
Apr. Opened the Second Stage Center. (Renamed to Science Career Agency Co. ,Ltd., dissolved in 2017)
Oct. Capital increased to ¥200 million.
Established Mada Mada Geneki Co., Ltd. (Renamed to Science Career Agency Co. ,Ltd., dissolved in 2017)
2005
Mar. Genomic Brain is made a wholly-owned subsidiary through share acquisition.
May. Established RKJ Co., Ltd.
Established WDB Research and Analysis Co., Ltd.
Established WDB Doctors and Pharmacists Co., Ltd.
Nov. Established the WDB Kobe Basic Research Laboratory.
2006
Feb. Acquired ISMS certification. (Returned in September 2016)
Mar. Capital increased to ¥404 million.
Listed on JASDAQ.
(Delisted upon being listed on the Second Section of the Tokyo Stock Exchange in May, 2008)
Acquired BS7799 certification. (Transitioned to ISO27001 in April 2007)
May. Head Office moved to the Yusen Building, 2-3-2 Marunouchi, Chiyoda-ku, Tokyo.
Group Head Office moved to Nippon Building, 2-6-2 Otemachi, Chiyoda-ku, Tokyo.
2007
Feb. Closed a representative office in Shanghai.
Jul. M&A of Genomic Brain Co., Ltd. and WDB Research and Analysis Co., Ltd.
2008
Mar. Listed on the Second Section of the Tokyo Stock Exchange.
Capital increased to ¥480 million.
Oct. Kilo Technology Research Laboratory Co., Ltd. (Renamed to WDB Functional Chemistry Co., Ltd.) is made a wholly-owned subsidiary through share acquisition.
2009
Feb. Established Environmental and Biological Research Institute.
Sep. Group Head Office moved to the Yusen Building, 2-3-2 Marunouchi, Chiyoda-ku, Tokyo.
2010
Apr. M&A of WDB Tedis Co., Ltd., RKJ Co., Ltd. and WDB Doctors and Pharmacists Co., Ltd.
Established WDB Medical Co., Ltd.
Established Business Succession Partners Co., Ltd. (Now WDB Business Succession Partners Co., Ltd.)
Jun. Capital increased to ¥800 million.
Sep. Dissolved Task Management Co., Ltd.
Oct. Incorporated Environmental & Biological Research Institute and established WDB Environmental & Biological Research Institute Co., Ltd.
2011
Apr. ICO Co., Ltd. (Now WDB ICO Co., Ltd.) made a wholly-owned subsidiary through share acquisition.
May. Established the Tokyo Central Training Center (Now Technical LABO Tokyo).
Jun. Established Postdoc Style Co., Ltd. (Dissolved in 2016)
Established WDB Doppo Co., Ltd.
Aug. Established WDB Singapore Pte. Ltd. (Dissolved in 2019)
Nov. Due to the transition in structure to a holding company, the company name was changed from WDB Co., Ltd. to WDB Holdings Co., Ltd.
Due to the incorporation-type company split, WDB Co., Ltd. was established with a capital of ¥300 million, with WDB Co., Ltd. inheriting the human resource business from WDB Holdings Co., Ltd.
2012
Jan. Completed and moved into Head Office at 79 Toyozawa-cho, Himeji-shi, Hyogo.
Apr. Established WDB University Co., Ltd.
Nov. ICO Co., Ltd. acquires and merges with WDB Medical Co., Ltd.
Company name changed to WDB ICO Co., Ltd. (Now WDB coco Co., Ltd.)
Dec. Established WDB KOUGAKU Co., Ltd.
2013
Mar. Densuke Systems Ltd (Renamed to WDB Clinical Research Co., Ltd.) made a wholly-owned subsidiary through share acquisition.
Jun. Capital increased to ¥1 billion.
Dec. Listed on the First Section of the Tokyo Stock Exchange.
2014
Apr. Kaken Geneqs Co., Ltd. made a wholly-owned subsidiary through share acquisition.
2015
May. Established WDB Silicon Valley, Inc.
Aug. Established WDB Medical Data, Inc.
2016
Feb. Established WDB India Pvt. Ltd. (Dissolved in 2016)
Apr. Established WDB Chemical Laboratory Co., Ltd.
Jun. Dissolution of Postdoc Style Co., Ltd.
2017
Feb. Established NEZOT Co., Ltd.
Mar. Oy Medfiles Ltd. made a wholly-owned subsidiary through share acquisition.
Jun. Cobridge Co., Ltd. made a wholly-owned subsidiary through share acquisition.
Dissolution of Science Career Agency Co.,Ltd.
2018
Apr. WDB Co., Ltd. acquires and merges with WDB EUREKA Co., Ltd.
Aug. A subsidiary WDB Medical Data, Inc. used stock acquisition to make
DZS Software Solutions (Now Medfiles USA) a wholly-owned subsidiary.
Dec. Transferred all shares of WDB Environmental & Biological Research Institute Co., Ltd.
Dissolution of WDB Functional Chemistry Co., Ltd.
2019
Jun. Changed the company name from WDB ICO Co., Ltd. to WDB coco Co., Ltd.
Aug. WDB Co., Ltd. acquires and merges with WDB Systems Co., Ltd.
Nov. Changed the company name from Densuke Systems Co., Ltd. to WDB Clinical Research Co., Ltd.
Dissolution of WDB Silicon Valley, Inc.
Dissolution of WDB Singapore Pte. Ltd.
Dec. WDB coco Co., Ltd. Listed on Tokyo Stock Exchange Mothers.
2020
Dec. WDB Co., Ltd. acquires and merges with WDB University Co., Ltd.
2022
Jan. WDB Co., Ltd. acquires and merges with WDB Chemical Laboratory Co., Ltd.
Feb. Transferred all shares of Kaken Geneqs Co., Ltd.
Apr. Moved to the Tokyo Stock Exchange Prime Market.
WDB coco Co., Ltd moved to the Tokyo Stock Exchange Growth Market.
2023
Jan. Changed brand name from DZS Clinical Services to Medfiles USA.
Mar. WDB coco Co., Ltd. made WDB Clinical Research Co., Ltd. a wholly-owned subsidiary through share acquisition.
Jun. WDB coco Co., Ltd. acquires and merges with WDB Clinical Research Co., Ltd.