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TDC Soft Inc.

TDCソフト株式会社TDC SOFT Inc.Alias
Ticker
—
Listed market
—
Country
Japan
Employees (consolidated)
2,679
Related companies
4
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Basic information

BASIC
Head office
4th and 5th floors, Kyudan Kaikan Terrace, 1-6-5 Kyudan Minami, Chiyoda-ku, Tokyo 102-0074, Japan (General Reception on 4th floor)
Chief executive
Yukio Kobayashi
Capital
970,400,000  (9 100 million)
Employees (non-consolidated)
2,388 people
Employees (consolidated)
2,679 people
Start date
1962-10-16
End date
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Websites

1 DOMAINS
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Business

1
High-value IT services business
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Related companies

4 COMPANIES
Company name Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
TDCソフトグループ
TDC Futurec Corporation
Earl Business Consulting Co., Ltd.
Komodo System Co., Ltd.
Names without a link are companies not yet registered in OpenBizGraph
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Network

NETWORK
Drag to move · click to open
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History

60 EVENTS

Since its founding in 1962, we have continued to create new value without fearing changes in business models, and have walked forward as a company loved and trusted by our customers.Sources

FoundedSources

Established 'Tokyo Data Center Inc.' in Kamiyacho, Minato-ku, Tokyo, and began data entry operations.Sources

Moved headquarters to Shinagawa, Chuo-ku, Tokyo, expanded contract computing services, and started development of systems software for general-purpose mainframe computers.Sources

Commenced development of operating system-related software.Sources

Developed and began selling software such as 'General File Editing Program' and 'Front System for Small and Medium Enterprises'.Sources

Changed the company name to 'TDC Inc.'Sources

Released the Japanese relational database management system 'MRDB Ver.1'.Sources

Moved headquarters to Sendagaya, Shibuya-ku, Tokyo.Sources

Changed the company name to 'TDC Software Engineering Inc.'Sources

Obtained certification as a 'System Integrator' from the Minister of Commerce and Industry.Sources

Opened Osaka sales office in Nishi-Nakajima, Yodogawa-ku, Osaka.Sources

Japanese relational database management system 'MRDB Ver.4' received the 1991 Software Product of the Year award hosted by the Software Information Center Foundation.Sources

Registered shares as over-the-counter securities with the Japan Securities Dealers Association.Sources

Obtained ISO 9001 certification for quality assurance.Sources

Obtained certification as a 'Privacy Mark Licensee'.Sources

Entered mobile business utilizing ASP.Sources

Listed shares on the Second Section of the Tokyo Stock Exchange.Sources

Moved Osaka sales office to Fushimi-cho, Chuo-ku, Osaka.Sources

Listed shares on the First Section of the Tokyo Stock Exchange.Sources

Launched the ASP service 'HANDy TRUSt' for mobile phones.Sources

Obtained certification for the ISMS Certification Standard Ver.2.0.Sources

Launched 'MoobizSync 2.0 for AppExchange'.Sources

Released the location display system 'Pogips'.Sources

Obtained certification for the ISO/IEC 27001 international standard.Sources

Made Sinc Approach Co., Ltd. (now TDC Futect) a subsidiary.Sources

Launched 'Mobile PIM for Oracle CRM On Demand'.Sources

Launched 'Trustpro'.Sources

Established a branch office in Tianjin, China.Sources

Established Tianjin Tiji Software Technology Co., Ltd.Sources

Changed the company name to 'TDC Software Engineering Co., Ltd.'.Sources

Celebrated its 50th anniversary.Sources

Changed the company name of 'Sinc Approach Co., Ltd.' to 'TDC Next Co., Ltd.'.Sources

Moved headquarters to Yoyogi, Shibuya-ku, Tokyo.Sources

Moved the Kansai office to Michishirubashi, Chuo-ku, Osaka.Sources

Achieved CMMI maturity level 3 (Solutions Division).Sources

Made 'Mysoft Inc.' (now TDC Futect Inc.) a subsidiary.Sources

Achieved CMMI maturity level 3 (Enterprise Business Unit).Sources

Changed the company name of 'Mysoft Inc.' to 'TDC Irelk Co., Ltd.'.Sources

Changed the company name to 'TDC Soft Co., Ltd.'.Sources

Achieved CMMI maturity level 4 (Solutions Division)Sources

Certified as a Healthy Management Excellence Corporation 2019 (White 500)Sources

Merged TDC Next Inc. and TDC Irecc Inc. into TDC Futect Inc.Sources

Signed a partnership agreement with the U.S. provider of the Scaled Agile Framework (SAFe) – Scaled Agile, Inc.Sources

Entered a capital and business alliance agreement with LTE-X Inc. (now closip Inc.) to provide services in the local 5G sector.Sources

Made Yagi Business Consultant Inc., a specialist in SAP, a subsidiary.Sources

Certified as a Gold Partner in Scaled Agile, Inc.'s partner program, becoming the second company in Japan.Sources

First in the information services industry to obtain certification under the Ministry of Economy, Trade and Industry's DX Certification System.Sources

Moved the Kansai branch to Kita-hama, Chuo-ku, Osaka.Sources

Started trading on the Tokyo Stock Exchange Prime Market.Sources

Established the group purpose.Sources

Celebrated 60th anniversary of founding.Sources

TDC Futect Inc. opened a Niigata branch office.Sources

Opened a new Kansai location, Kansai Lab.Sources

Signed a partnership agreement with Boomi Inc.Sources

Moved headquarters to Kudankai Kukan Terrace and opened Techno Growth Center Shinjuku in Shinjuku.Sources

Certified as a Core Business Partner of the NTT DATA Group.Sources

Started offering Snap ITSM.Sources

Made Komodo System Inc., a specialist in system development, a subsidiary.Sources

Signed the first domestic AI-Native partnership agreement with Scaled Agile.Sources

§07

News

2 ARTICLES

Prototyping Lecture at i-GIP 2026 KANSAISources

On September 20, 2026, TDC Soft conducted a lecture at the healthcare problem-solving program "i-GIP 2026 KANSAI" for middle and high school students and technical college students. The company's UX designer conveyed the meaning and value of creating prototypes from a practical perspective to 14 teams of 33 students.

TDC Soft Launches AI Design ServiceSources

TDC Soft announced the launch of its AI-Native Transformation Design Support Service for organizations. The service aims to visualize their current state of AI adoption and develop an action plan geared toward implementation within 90 days.

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Public records

GOV
National Tax Agency basic information8011001014542
Source: National Tax Agency Corporate Number Publication Site, basic three itemsSources
Trade name
TDCソフト株式会社
Trade name (kana)
ティーディーシーソフト
Name in English
Corporation type
301
Address
〒102-0074 東京都千代田区九段南1丁目6番5号
Postal code
1020074
Prefecture code
13
City code
101
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date
2015-10-05
Update date
2023-10-20
Change date
2023-10-17
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record
1
Excluded from search
0
Processing type
12
Correction type
0
Trade name image ID
Address image ID
Sequence number
2382812
METI gBizINFO8011001014542
Source: gBizINFO (Ministry of Economy, Trade and Industry)Sources
Corporate number
8011001014542
Trade name
TDCソフト株式会社
Trade name (kana)
ティーディーシーソフト
Trade name (alphabet)
Registry closure date
Reason for registry closure
Registered address
東京都千代田区九段南1丁目6番5号
Postal code
1020074
Prefecture
東京都
Prefecture code
13
City or district
千代田区
City code
101
Street address
九段南1丁目6番5号
Organisation type
301
Processing type
12
Correction type
0
Status
Representative
代表取締役社長  小 林 裕 嘉
Capital
970400000
Employees
2388
Employees (male)
1848
Employees (female)
540
Business summary
1.情報化に関する調査研究 2.システムインテグレーションサービス 3.コンピュータソフトウェアの開発、販売、賃貸、および輸出入 4.情報機器ならびにそのシステムの設計、開発、販売、賃貸、およびそれに関わる電気通信工事 5.情報処理サービス、情報提供サービス、情報通信サービス、およびシステム監査サービス 6.情報科学および情報処理システムに関する出版、販売ならびに教育訓練
Website URL
http://www.tdc.co.jp/
Year founded
Business category
G:情報通信業
Date established
1963-12-17
Unified government qualification - grade
A|A|A|
Unified government qualification - business items
107|117|129|207|217|229|303|304|306|308|313|315
Update date
2023-10-20
Key information
8011001014542
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Sources & updates

SOURCES
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