- CEO
- Hiromichi Matsuda
- Full Time Employees
- 61,288
- Sector
- Communication Services
- Industry
- Telecommunications Services
- Address
- 2-3-2 Tokyo Japan 1028460
- IPO Date
- Jun 9, 2015
- Business
- KDDI Corporation (KDDIF), founded in 2000 through the merger of DDI Corporation, Kokusai Denshin Denwa and IDO Corporation, and headquartered at 2-3-2 Nishi-Shinjuku in Tokyo, Japan, operates as a leading Japanese telecommunications provider offering integrated services across mobile, fixed-line, internet and ICT solutions to personal and business customers worldwide. The company delivers au-branded mobile cellular services including 5G connectivity, voice and data plans; fixed-line telephony and international communications via au Hikari FTTH and Metal Plus IP telephony; broadband internet through ADSL One and au one net; value-added offerings such as EZweb wireless data, music and video content, IoT integration, cloud services, data centers and cybersecurity solutions; as well as energy, finance, entertainment, educational and commerce services through its Personal and Business segments. KDDI maintains extensive domestic operations via subsidiaries in mobile, fixed-line, internet, content and media; overseas expansion supports global connectivity with network infrastructure in Asia, Europe and the Americas; and it targets individual consumers, enterprises and industries including retail, healthcare, finance and mobility. Recent developments include KDDI's November 2024 tender offer to acquire cybersecurity firm LAC Co. Ltd., integrating expertise in cybersecurity with KDDI's networks for enhanced one-stop services following a long-term partnership since 2007; investments by KDDI Open Innovation Fund III in April 2025 into 10X for digital transformation in retail via the WAKONX platform and in May 2025 into New Innovations for OMO automation solutions like the Burger Cooker robot; a February 2025 equity partnership with Aduna to advance API-driven network innovation supporting KDDI's Satellite Growth Strategy in 5G, DX, finance, energy and life transformation areas; and a July 2025 global expansion of its povo digital telco brand in partnership with Circles using cloud-native SaaS for AI-powered services.