KDDI Corporation

What KDDI Corporation does

KDDI Corporation is Japan's second-largest telecommunications operator, headquartered in Tokyo and founded in 1984 through the merger of DDI, KDD, and Teleway Japan. The company provides mobile (au brand), fixed-line, broadband, 5G, IoT, satellite communications (Starlink Business and au Starlink Direct for 4 million users), cloud, data center, cybersecurity, and AI integration services to consumer, SMB, enterprise, and international customers across Japan, the Philippines, India, Singapore, and the UK through subsidiaries including Telehouse, KDDI Digital Life Corporation, KDDI Research, KDDI India, and the KDDI Agile Development Center.

Its technology stack combines nationwide 5G/6G-ready infrastructure with proprietary AI such as the Multi-AI cooperation system for autonomous base station optimization, a RAN Digital Twin developed with NVIDIA/Keysight/Samsung Research, and quantum-safe optical transport demonstrated with Nokia at its Sakai Data Center. KDDI monetizes through recurring subscription services (mobile, fixed-line, cloud SaaS, global ICT), managed services (AI integration, zero-trust security, managed networks), enterprise project revenue (digital transformation, smart space design, BCP), and hardware sales (devices, Starlink terminals). Distribution runs through direct enterprise field sales, an online self-service portal (My KDDI Biz), a ~500-partner BusinessPort reseller platform, and physical au retail stores.

The business model is anchored by a 'telecommunications plus alpha' value proposition, formalized in the May 2026 Power-to-Connect 2028 mid-term strategy targeting 5% operating income CAGR, a payout ratio above 40%, and the buildout of 3,000 AI and 2,000 cybersecurity personnel. Recent strategic activity includes a $3.4 billion Philippines investment with Mitsubishi and MUFG, a 14.9% equity stake in Coincheck Group, partnerships with Oracle, Cisco, HPE, Nokia, SpaceX, and Dream Arts, plus an ongoing internal investigation and Q3 FY2026 earnings postponement that has introduced governance risk and 11.4% ADR volatility.

Name

KDDI Corporation

Legal name

KDDI Corporation

Website

https://biz.kddi.com

Company type

Public

Founded year

1984

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

KDDI Corporation is Japan's second-largest telecommunications company, providing mobile (au), fixed-line, 5G/6G, satellite (Starlink), cloud, cybersecurity, and AI-driven enterprise ICT services to consumer, SMB, enterprise, and international customers.

Ownership category

akta.pro rank

Product category

Telecommunications Services

NAICS

Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518)

SIC

Radiotelephone Communications (4812), Telephone Communications (No Radiotelephone) (4813), Services-Telephone Interconnect Systems (7385), Services-Computer Programming, Data Processing, Etc. (7370)

akta.pro primary industry

Voice Quality, Monitoring & Analytics (QoS/QoE, call recording, compliance) (HDAIAHAM)

akta.pro secondary industry

Mobile Roaming & Interconnect Services (roaming hubs, IREG/TADIG, clearing) (HDAIAEAE)

Keywords

• Telecommunications services
• Mobile network operator
• Enterprise ICT solutions
• Cloud and data center
• Satellite communications

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices5 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Infrastructure, Operations, Personnel, Technology or R&D, Supply Chain, Marketing or Sales

Revenue model

1. Telecommunications Services: Mobile (au brand), fixed-line, 5G, IoT connectivity, and satellite communication services for consumer and enterprise customers in Japan and internationally.
2. Cloud, SaaS, and Data Center Services: IaaS, data center, managed services, and SaaS applications including collaboration, security, AI, and business productivity tools.
3. AI Integration and Cybersecurity: AI integration services, managed security, zero-trust solutions, and professional services targeting enterprise digital transformation.
4. Global ICT Services: International network connectivity, global managed services, and cross-border ICT solutions for Japanese companies expanding overseas and foreign companies in Japan.
5. Device and Hardware Sales: Sale of mobile devices (iPhone, Android smartphones, tablets), satellite terminals (Starlink), and related hardware.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels7 records

Core offering

KDDI Corporation is Japan's second-largest telecommunications company providing mobile (au brand), fixed-line, broadband, and 5G/4G connectivity, satellite communications (Starlink Direct and Starlink Business), cloud and data center services, AI integration, cybersecurity, IoT, and managed ICT solutions. The company serves both individual consumers through the au brand and enterprise customers through dedicated business solutions spanning unified communications, network infrastructure, zero-trust security, and global ICT services.

Product overview

KDDI Corporation operates as Japan's second-largest telecommunications company offering a comprehensive portfolio of connectivity, cloud, security, and AI-powered business solutions. The product portfolio spans core telecommunications services (mobile, satellite communication via Starlink, fixed-line) alongside advanced business solutions including cloud PBX platforms (Webex Calling, Cloud Calling for Microsoft Teams, Cloud Calling for Zoom Phone), network infrastructure (KDDI Wide Area Virtual Switch/WVS2, KDDI Flex Remote Access, CPA, KDDI IP-VPN), and AI-enabled services (KDDI Voice Viewer with generative AI summarization, KDDI Smart Space Design). The portfolio follows a platform-plus-modules architecture where core connectivity services serve as the foundation, augmented by specialized add-on modules for security (Cisco Umbrella, KDDI EMM, KDDI Cloud Inventory), communication (PHONE APPLI PEOPLE, LINE WORKS), and analytics (KDDI Voice Viewer). KDDI's AI capabilities focus on network optimization through autonomous multi-AI cooperation systems, generative AI for business operations, and facial recognition technology.

Differentiator

Problem solved

Functional benefit

Brands

• povo: Japan's leading digital telecom brand operated by KDDI Digital Life Corporation, expanded internationally through partnership with Circles.
• KDDI Smart Space Design
• KDDI DIGITAL GATE

Products and services

• au Starlink Direct Direct satellite communication service enabling smartphones to connect with Starlink satellites, providing connectivity where line-of-sight to sky is available. Supports 4 million users.
• Starlink Business Next-generation satellite communication service using large-scale low earth orbit satellite constellation providing high-speed, low-latency connectivity for enterprise and BCP applications.
• Webex Calling Full cloud phone service (cloud PBX) enabling fixed telephone numbers on mobile devices and PCs without requiring on-premise equipment. Direct connection to KDDI phone network enables complete asset-free deployment for enterprise customers.
• KDDI Voice Viewer Cloud-based service for managing and utilizing recorded voice data with automatic transcription, keyword search, and AI-powered conversation summarization and ToDo extraction for compliance and analytics.
• KDDI Wide Area Virtual Switch 2 Wide area network service enabling flexible network construction through SDN technology. Combines intranet, internet, and security functions for hybrid cloud usage with virtual network capabilities for enterprise customers.
• KDDI Wide Area Virtual Switch Network service integrating multiple layer-different networks into a virtual wide-area switch. Enables platform infrastructure for one-stop ICT services from data centers to applications.
• KDDI Flex Remote Access Remote access service enabling secure connection to corporate networks from various devices. Supports multiple authentication methods including certificate-based device authentication and one-time passwords.
• CPA (Closed Packet Access) Secure remote access service using diverse communication terminals from outside offices to access intranet. Supports LTE to 5G wideband communication standards with high-security fixed network connection.
• KDDI EMM powered by Omnissa Workspace ONE Unified device management service for security, applications, and files when using devices outside for business. Includes MDM capabilities, remote device locking, and factory reset functions.
• KDDI Cloud Inventory Integrated cloud device security management service providing IT asset management and endpoint security with automatic vulnerability diagnostics, HDD encryption, and behavioral detection.
• Business Port Platform service introducing KDDI partner services and enabling purchase consultation and applications through a billing and collection agency model. Partners include LANSCOPE and various SaaS providers, with approximately 500 partner companies.
• KDDI Smart Space Design End-to-end workspace design service incorporating communications, robotics, and AI technologies. Provides concept planning, design, construction, and maintenance for digital-enabled office and building spaces.
• VistaFinder Mx Remote work assistance system enabling live video streaming from work sites. Uses smart glasses or tablets to provide high-resolution remote guidance and support for field operations.
• PHONE APPLI PEOPLE Cloud-based phone directory service managing employee and customer contact information centrally. Integrates with Microsoft Teams and Webex Calling for status visibility and direct dialing.
• Cloud Calling for Microsoft Teams Full cloud phone service integrated with Microsoft Teams, enabling external calls using company phone numbers from any device. Includes AI features through Microsoft 365 integration.
• Cloud Calling for Zoom Phone Full cloud phone service with Zoom Phone integration, enabling company numbers on smartphones and PCs. First domestic carrier to support number portability for cloud phone transition.
• Cisco Umbrella (KDDI) Cloud-based internet security service providing secure network environment for mobile workers. Includes DNS-layer security, web proxy, and SSL decryption capabilities.
• KDDI Smart Mobile Safety Manager Smart device security solution enabling remote settings and asset management. Prevents information leakage through features like remote locking and device wipe capabilities.
• Managed Zero Trust Zero trust security solution providing comprehensive protection combining device, network, and security solutions. KDDI provides total operational support for secure connectivity regardless of location.
• KDDI IP-VPN Secure and high-quality IP private network service utilizing abundant backbone infrastructure for enterprise communication networks.
• KDDI Hikari Direct (KDDI 光ダイレクト) High-quality IP phone service using optical fiber as access line with KDDI IP network as backbone. Supports existing phones and numbers while providing advanced IP phone features.
• ConnectIN Communication platform dissolving communication barriers and expanding business possibilities through seamless connectivity.
• LINE WORKS with KDDI Business communication service based on LINE functionality, enabling secure business messaging and collaboration while preventing personal LINE usage for business purposes.
• Call Recording Service (通話録音機能) Call recording service for recording incoming and outgoing calls on au mobile phones and fixed phones. Enables compliance recording and voice data analytics.
• au Mobile Services Mobile voice and data services under the au brand for consumer and enterprise customers, including the largest Japanese mobile network and 5G connectivity.
• JAPAN Roaming Nationwide emergency roaming service launched by Japan's five mobile carriers (NTT DOCOMO, KDDI, Okinawa Cellular, SoftBank, Rakuten Mobile) providing emergency connectivity across carrier networks during disasters.
• KDDI Global ICT Services International network connectivity, global managed services, and cross-border ICT solutions for Japanese companies expanding overseas and foreign companies in Japan, delivered through overseas subsidiaries across Asia, Americas, Europe, and the Middle East.
• KDDI DIGITAL GATE Design and engineering team providing lean startup methodology support for new business creation and DX promotion. Supports idea hypothesis validation through rapid prototyping and iteration cycles for enterprise customers.

Quantifiable outcome

• Multi-AI cooperation technology improves telecommunication quality stability by 25% and reduces optimization work time by more than 95% compared to manual methods
• +3 more outcomes

Named customers13 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

AI capability15 records

Feature4 records

Partnerships

18 partnerships are on record, tiered minor, core, flagship and strategic.

• AVILEN Inc.minorStrategic or Co-development Partner · 30 June 2026AVILEN is a speaker at the AIGA Online Symposium on AI governance strategies co-organized with KDDI Corporation and Re-grit Partners, focusing on AI Era Corporate Decision-Making and Governance.
• Re-grit PartnersminorStrategic or Co-development Partner · 30 June 2026Re-grit Partners co-organized the AIGA Online Symposium on AI governance with KDDI Corporation, focusing on corporate AI decision-making and governance frameworks.
• Dream Arts Inc.coreStrategic or Co-development Partner · 25 June 2026Partnership to trial Dream Arts' SmartDB digital transformation cloud service using KDDI's Gemini on Google Distributed Cloud offered from KDDI's Osaka Sakai Data Center. The trial enables large enterprises to access advanced generative AI capabilities while maintaining strict data sovereignty within Japan. SmartDB Practical AI option planned for April 2026 launch.
• NVIDIA CorporationcoreTechnology or Integration · 24 June 2026Five-company collaboration for RAN Digital Twin development including KDDI, KDDI Research, NVIDIA, Keysight Technologies, and Samsung Research America. NVIDIA provides GPU computing power for the high-fidelity virtual replica of radio access networks for 6G preparation. Prototype targeted for March 2028.
• Keysight TechnologiescoreTechnology or Integration · 24 June 2026Five-company collaboration for RAN Digital Twin development for 6G networks. Keysight provides testing and measurement capabilities for validating AI-driven network optimization in simulated environments.
• Samsung Research AmericacoreTechnology or Integration · 24 June 2026Five-company collaboration for RAN Digital Twin development for 6G networks. Samsung Research America contributes to the virtual replica of radio access networks enabling safe AI-driven network optimization.
• Ayala Group (Philippines)flagshipStrategic or Co-development Partner · 27 May 2026Ayala Group formalized the $3.4 billion Japan-Philippines digital investment deal with Mitsubishi, MUFG, and KDDI. KDDI participates through subsidiaries Globe Telecom and Mynt for smart cities, digital finance, and AI-driven infrastructure development in the Philippines.
• Globe Telecom (Philippines)coreStrategic or Co-development Partner · 27 May 2026Philippines telecom operator Globe Telecom partnered with KDDI and Ayala Group for the $3.4B digital investment deal covering smart cities, digital finance, and AI-driven infrastructure.
• Mynt (Philippines)coreStrategic or Co-development Partner · 27 May 2026Mynt (Philippines fintech company under Ayala/Globe) partnered with KDDI for digital finance initiatives under the $3.4B Philippines investment deal covering AI-driven infrastructure.
• Alumni VenturesstrategicStrategic or Co-development Partner · 27 April 2026Strategic partnership to bridge U.S. and Japanese startup ecosystems. Alumni Ventures opened its Tokyo subsidiary (Alumni Ventures Japan KK) in the Roppongi district, with cross-border growth opportunities connecting founders with venture capital and institutional partners. The partnership reflects KDDI's broader Asia-Pacific growth strategy.
• UTokyo Innovation Platform Co., Ltd. (UTokyo IPC)strategicStrategic or Co-development Partner · 27 April 2026Joint partnership with UTokyo IPC alongside Alumni Ventures to facilitate cross-border collaboration and investment between U.S. and Japanese startup ecosystems, combining UTokyo IPC's institutional network with KDDI's telecommunications infrastructure.
• Amateras Space Co., Ltd.minorStrategic or Co-development Partner · 30 March 2026Amateras Space selected for KDDI's space co-creation program 'MUGENLABO UNIVERSE,' partnering with Space Medical Accelerator to develop 'space healthcare foundational technology' integrating IMU motion sensors and biometric monitoring into spacesuit inner suits.
• East Japan Railway Company (JR East)strategicStrategic or Co-development Partner · 23 March 2026Joint autonomous bus demonstration from March 28 to May 10, 2026, operating two routes between TAKANAWA GATEWAY CITY and Takeshiba in Tokyo's Greater Shinagawa area. Using Level 2 autonomous driving with LiDAR, cameras, radar, and AI-based autonomous driving software on small electric buses. Aiming for Level 4 approval by FY2027.
• Nokia CorporationstrategicTechnology or Integration · 23 February 2026Nokia and KDDI demonstrated quantum-safe optical transport capabilities at KDDI's new Sakai Data Center in Japan. The demonstration used Nokia's 1830 Photonic Service Switch with C+L Band and 1830 Security Management Server to deliver high-capacity, at-speed quantum-safe encryption across distributed data centers, securing AI-ready infrastructure.
• Oracle CorporationcoreTechnology or Integration · 13 February 2026KDDI selected Oracle Cloud Scale Charging and Billing running on Oracle Cloud Infrastructure to replace its legacy charging and rating platform. Fujitsu serves as development and implementation partner. Goal is reducing operational expenses and accelerating service innovation. Part of KDDI's long-term growth strategy focused on 5G, digital transformation, financial services, and energy expansion.
• Fujitsu LimitedcoreImplementation/ SI/ Consulting Partner · 13 February 2026Fujitsu serves as the development and implementation partner for the Oracle Cloud Scale Charging and Billing platform deployment at KDDI, demonstrating off-the-shelf viability for approximately 1,000 use cases with significant cost reductions.
• Circles GlobalstrategicStrategic or Co-development Partner · 18 July 2025KDDI Digital Life Corporation expanded partnership with Circles to support international growth of povo, Japan's leading digital telecom brand. Partnership aims to implement AI-driven features, flexible commercial models, and innovative customer experiences to scale povo internationally, focusing on the Americas and Southeast Asia.
• SpaceX (Starlink)coreTechnology or IntegrationKDDI Corp selected SpaceX's Starlink to provide backhaul for rural mobile towers in Japan from 2022, utilizing Starlink's LEO satellite constellation. A ground station licensed at KDDI's Yamaguchi Satellite Communication Center enables service. Technical demonstrations ongoing. KDDI also offers au Starlink Direct for 4 million smartphone users with direct satellite connectivity.

Scale indicators7 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Internet Initiative Japan (IIJ): Japanese enterprise-focused network, cloud, and security services provider with overlapping ICP/IP-VPN, SD-WAN, managed security, and UCaaS offerings for the same enterprise customer base KDDI serves.
• Rakuten Mobile: Japan's fourth mobile carrier and disruptive price leader, putting sustained ARPU pressure on incumbent carriers including KDDI. Operates a fully virtualized cloud-native network and bundles with Rakuten Group's broader ecosystem.
• NTT DOCOMO: Japan's largest mobile carrier and KDDI's primary domestic competitor in mobile, 5G, and enterprise ICT services. Operates the 'docomo' brand on a nationwide network with comparable enterprise offerings including cloud, IoT, and security.
• SoftBank Corp: Major Japanese mobile carrier and integrated ICT provider competing directly with KDDI across consumer mobile, enterprise cloud, and AI services. Co-participant in the April 2026 nationwide JAPAN Roaming launch.

Broad incumbents

• Vodafone Group: Global mobile and fixed-line operator with European and African footprint and significant enterprise (Vodafone Business) practice. Comparable in cross-border carrier services and enterprise UCaaS/IoT positioning.
• T-Mobile US: Large US mobile carrier expanding into fixed wireless, fiber, and enterprise services. Strategic analog for KDDI's enterprise UCaaS and Starlink-direct connectivity plays targeting converged consumer-and-business models.
• NTT (Nippon Telegraph and Telephone): Parent of NTT DOCOMO and Japan's largest telecom group offering fixed-line, mobile, cloud (NTT Communications, NTT Data), and global ICT services. Larger, broader portfolio than KDDI but overlaps significantly in enterprise managed services.
• Deutsche Telekom: European integrated carrier with global ICT operations across T-Systems and majority stake in T-Mobile US. Comparable scale, multi-country enterprise ICT strategy, and ongoing transformation into a digital telco.
• Verizon Communications: Large integrated US wireless carrier with a comparable mix of consumer mobile, enterprise networking, security, and managed services. Useful analog for KDDI's enterprise ICT transformation strategy and 5G monetization play.
• AT&T: Major US integrated carrier with consumer mobile, fiber, and enterprise networking/cybersecurity. Comparable in breadth of connectivity-plus-managed-services portfolio and capex-heavy 5G/fiber buildout.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/kddibusiness
• LinkedInlinkedin.com/company/kddi-corporation

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments3 records

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about KDDI Corporation