KDDI

Telecom operatorTier 1

Japanese operator, trading as au.

— 日本専用でNTTドコモ、KDDIのいずれかを選択
— 回線もドコモ網・au網から選択可能 (network selectable from docomo or au)
— Aプラン ... 通話料は、au(LTE)通信サービス契約約款...と同額 (A plan call charges per au contract terms)
— ドコモ回線、au回線、ソフトバンク回線よりお選びいただけます。
— Because it supports au 5G/4G LTE.

povo — own-network brand, not an MVNO; run by KDDI Digital Life on the Circles platform; KDDI and Okinawa Cellular are the contracting carriers
UQ mobile — own-network brand, not an MVNO; an MVNO of KDDI group companies 2014–2020; KDDI’s own second brand since October 2020

+2 more in the groups below

Owns

Hosted MVNOs

Suppliers

Ecosystem

owns
- consolidated subsidiary from Aug 2017; post-2024 IPO stake not verifiedactive · Company statement
hosts
- Mobile · 日本専用でNTTドコモ、KDDIのいずれかを選択active · Reported
- Mobile · 回線もドコモ網・au網から選択可能 (network selectable from docomo or au)active · Company statement
- Mobile · Aプラン ... 通話料は、au(LTE)通信サービス契約約款...と同額 (A plan call charges per au contract terms)active · Company statement
- Mobile · ドコモ回線、au回線、ソフトバンク回線よりお選びいただけます。active · Reported
- Mobile · Because it supports au 5G/4G LTE.active · Company statement
supplied by
- AI infrastructure · GB200 NVL72 at the Osaka Sakai data centreactive · 22 Jan 2026 · Documented
- AI infrastructure · GB200 NVL72 systems built by HPEactive · 22 Jan 2026 · Documented
- BSS · Digital Commerce & Monetization, starting with Active Mediation; NEC primeannounced · 18 Nov 2025 · Documented
- BSS · prime systems integrator for the Netcracker BSS programmeannounced · 18 Nov 2025 · Documented
- Mobile · povo, launched on the Circles digital telco platformactive · Company statement
- Charging & billing · cloud-native Converged Charging and Mediation alongside the 5G Core awardannounced · 2 Dec 2021 · Reported
- Charging & billing · Oracle Cloud Scale Charging and Billing (replacing legacy charging and rating)announced · 13 Feb 2026 · Documented