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NRI Group Companies and offices

DSB Information System Co., Ltd.

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Company Profile

Since becoming independent from the information system division of a brokerage firm in 1975, DSB Information System has thrived and achieved client's trust through diverse experiences while retaining its expertise and cultural background as a brokerage firm. We have been growing rapidly in tandem with IT society by leveraging advanced technology.
With cutting-edge technology, we provide solutions to accomplish digital transformation tailored to resolving clients' issues and furnish in the future.


Feb 1975
The electronic calculation department of Nippon Kangyo Kakumaru Securities Co., Ltd. (currently Mizuho Securities Co., Ltd.) became independent, and established Kangyo Kakumaru Information Service Co., Ltd., a wholly owned subsidiary of the Company.
Oct 1990
Established Kankaku Computer System Co., Ltd.
Mar 1999
FUJISOFT ABC Co., Ltd. (currently FUJI SOFT INCORPORATED) becomes our parent company.
Jan 2002
Changed company name to FUJISOFT KCS Co., Ltd.
Jul 2012
DSB Co., Ltd.becomes our parent company.Changed company name to KCS Co., Ltd.
Oct 2014
Changed company name to DSB Information System Co., Ltd.

Business Outline

We provide solutions that assist our clients' digital transformation.

■Accounting System for brokerage firms

  • "Dream-S", a comprehensive accounting system to transform the securities business.

■Regulation Technology

  • TIMS, Trade Investigation Management System to extract manipulation trades.
  • AIFIX, AI for Financial Integrity on exchange to detects market manipulation.
  • CRISP, Comprehensive RISK-management Platform for Anti-Money Laundering / Countering the Financing of Terrorism (AML/CFT).

■IT Consulting & Development

  • RPA to optimise digitization of operational processes.
  • Cyber Security Service with the latest technology.


Please contact us from the following page regarding job opportunities.

Company Data

Company Name
DSB Information System Co., Ltd.
President and CEO: Taiji Shimizu

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DSB Information System Co., Ltd.

2-9-15 Shiomi, Koto-ku, Tokyo 135-0052

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DSB Information System Co., Ltd. Osaka Branch

3-2-4 Nakanoshima, Kita-ku, Osaka-shi, Osaka 530-0005

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