CNS Corporation
株式会社シイエヌエス
1985-07-04
TYO
Japan
Digital Innovation Promotion Business
Big Data Analytics Business
System Infrastructure Business
Business System Integration Business
Consulting Business
Consulting
System Integration
DX Literacy Education
U-Way
5F, Shinjuku Meigoku Tokyu Building, 2-25-2 Kamiozaki 2-chome, Shinagawa-ku, Tokyo 141-0021
Masahide Sekine
478,770,000  (4 100 million)
221 people
265 people
Company name
Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Customer Supplier
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Customer Alliance
株式会社DTS
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Customer
株式会社アシスト
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Customer
ServiceNow
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Alliance
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Alliance

30 entries
DateDescription
1985-07 CNS Corporation was established in Minami-Aoyama (capital 8 million yen): began Japanese localization of UNIX and kernel porting services.
1985-07-04 Established on July 4, 1985 (Showa 60).
1987-09 Moved headquarters to Kita-Aoyama, Minato-ku, Tokyo.
1994-04 Moved headquarters to Ohashi, Meguro-ku, Tokyo.
1995-06 Started services for foreign exchange, interest rates, bonds, derivatives, and related risk management systems for metropolitan banks.
2000-01 Increased capital to 50 million yen.
2000-03 Moved headquarters to Shibuya, Shibuya-ku, Tokyo.
2003-04 Ventured into total traceability system construction business.
2004-11 Obtained ISMS certification for information security management system.
2006-01 Started customer analysis services.
2006-05 Established a board of directors.
2007-08 Obtained Privacy Mark certification.
2008-01 Ventured into system infrastructure construction services.
2010-01 Obtained ISO 9001 quality management system certification.
2011-01 Moved headquarters to Ebisu Minami, Shibuya-ku, Tokyo.
2011-10 Received business partner certification from NTT DATA Corporation.
2014-06 Started big data business operations.
2016-03 Increased capital to 75 million yen.
2016-04 Established NCS Hokkaido Co., Ltd.
2017-11 Established New Relation Info Biz Co., Ltd. in Minato-ku, Tokyo, for operating system development related business (10.0% stake).
2019-03 Increased capital to 123.6 million yen.
2020-06 Launched digital innovation promotion business to expand system operation automation, strengthen AI systems, and grow business through digital innovation technologies.
2021-08 Listed on the Tokyo Stock Exchange Mothers (ticker: 4076).
2021-08 Increased capital to 491.6 million yen.
2021-09 Increased capital to 487.7 million yen.
2022-04 Transitioned to the Tokyo Stock Exchange Growth Market following market classification restructuring.
2022-08 Transitioned to a company with an Audit Committee.
2022-10 Commenced providing 'U-Way'.
2023-08 Implemented rebranding and corporate logo renewal.
2025-11 Moved headquarters to Kamiosaki, Shinagawa-ku, Tokyo.
+ Loaded when opened
9011001034011
Trade name株式会社シイエヌエス
Trade name (kana)シイエヌエス
Name in English
Corporation type301
Address〒141-0021 東京都品川区上大崎2丁目25番2号
Postal code1410021
Prefecture code13
City code109
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date2015-10-05
Update date2025-11-19
Change date2025-11-17
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record1
Excluded from search0
Processing type12
Correction type0
Trade name image ID
Address image ID
Sequence number2532170
Source: National Tax Agency Corporate Number Publication Site, basic three items
9011001034011
Corporate number9011001034011
Trade name株式会社シイエヌエス
Trade name (kana)シイエヌエス
Trade name (alphabet)
Registry closure date
Reason for registry closure
Registered address東京都品川区上大崎2丁目25番2号
Postal code1410021
Prefecture東京都
Prefecture code13
City or district品川区
City code109
Street address上大崎2丁目25番2号
Organisation type301
Processing type12
Correction type0
Status
Representative代表取締役社長 関根 政英
Capital478775000
Employees204
Employees (male)145
Employees (female)68
Business summary情報通信業(システムエンジニアリングサービス事業)
Website URLhttps://www.cns.co.jp/
Year founded
Business categoryG:情報通信業
Date established
Unified government qualification - grade
Unified government qualification - business items
Update date2025-11-19
Key information9011001034011
Source: gBizINFO (Ministry of Economy, Trade and Industry)
2026-09-22 23:51 (Model: ggml-org/gpt-oss-20b )
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