Group Companies

Composition of group companies

（End of March, 2025）

NTT Group

Total Assets： ¥30,062.5 billion
Consolidated Operating Revenues： ¥13,704.7 billion
Consolidated Operating Profit： ¥1,649.6 billion
Number of Employees： 341,321

NTT, Inc.

Main Businesses：

For NTT Group as a whole, formulation of management strategies and promotion of basic research

Integrated ICT Business

NTT DOCOMO

https://www.docomo.ne.jp/english/
NTT DOCOMO BUSINESS

https://www.ntt.com/en/index.html
NTT DOCOMO SOLUTIONS

https://www.nttcom.co.jp/english/

Business Activities:

Mobile phone services, domestic inter-prefectural communications services, international communications services, solutions services, and system development services and related services.

Major Services:

Mobile telecommunications services, docomo Hikari, etc.

Integrated ICT Business

Regional Communications Business

NTT EAST

https://www.ntt-east.co.jp/en/
NTT WEST

https://www.ntt-west.co.jp/english/

Business Activities:

Domestic intra-prefectural communications services and related ancillary services.

Major Services:

FLET'S Hikari, Hikari Collaboration Model, etc.

Regional Communications Business

Global Solutions Business

NTT DATA GROUP

https://www.nttdata.com/global/en/

Business Activities:

Consulting services, system and software development services, network system services, cloud services, global data center services, and related services, etc.

Major Services:

Consulting services, cloud services, global data center services, managed services, and system and software development services, etc.

Global Solutions Business

Others (Real Estate, Energy and Others)