Learn about the major KDDI group companies.
- ARISE analytics Inc.
ARISE analytics Inc. supports digital transformation of enterprises by leveraging the strengths of KDDI and Accenture; KDDI-owned large data, state-of-the-art data processing technologies and analytics platforms are powered by Accenture's extensive expertise in data analytics and proprietary analytic solutions that have been successfully deployed in Japan and overseas. By turning data-driven insights into decisions and actions, we bring new value to partner companies and KDDI Group that offers a wide range of services including communications, e-commerce, and financial services.
2-21-1 Shibuya, Shibuya-ku, Tokyo 150-8510
- A-Sketch Inc.
A-Sketch is a joint investment between KDDI and AMUSE Inc. With its core presence based in mobile phone technology, it uses this technology to engage in music label activities such as music delivery, recording, and music management activities. A-Sketch also handles new artist head-hunting through technology like social network services (SNS) and is actively involved in developing new music services using mobile phones and computers.
3rd Floor, NINOMIYA Building, 18-4, Sakuragaoka-cho, Shibuya-ku, Tokyo 150-0031
- au Insurance Company, Limited
Jointly established by KDDI and Aioi Nissay Dowa Insurance, au Insurance Company Limited (au Insurance) is an unprecedented and totally new concept in non-life insurance companies. By offering a lineup of non-life insurance products that meet customers' lifestyles as part of au mobile contents, customers can join "easily anywhere, anytime" and the company can provide "instant, reliable" insurances services in an emergency.
5th Floor, Nissay Ebisu Building, 3-16-3, Higashi, Shibuya-ku, Tokyo 150-0011
- BIGLOBE Inc.
We at BIGLOBE are a company that constantly and continuously creates new values for using the Internet with the concept of freedom for our customers. Using the Internet, we help our customers achieve what they want to do and contribute to real life and real business innovations by continuously linking various people and information in better ways.
Shinagawa Seaside Park Tower, 4-12-4, Higashi-shinagawa, Shinagawa-ku, Tokyo 140-0002
- booklista Co., Ltd
booklista builds open platforms for services related to book content sales, including collection, digitalization and management of book contents, customer identification and billing systems, and promotional activities.
4st Floor, SKI Building, 2-5-27, Akasaka, Minato-ku,Tokyo 107-0052
- Chubu Telecommunications Co., Inc.
Chubu Telecommunications (CTC) is a regional communications carrier that develops FTTH and corporate oriented network services in the five Chubu area prefectures. It provides high quality and extremely reliable communications services with an original optical fiber network.
1-8-8 Nishiki, Naka-ku, Nagoya-shi, Aichi Prefecture 460-0003
- Connehito Inc.
Connehito Inc. strives to create products and services through IT that are indispensable to peoples' lives.In its quest, the company currently operates a media website and a community app, both dealing with topics of women's pregnancy, childbirth, and childrearing.Together, the services offer solutions to mothers who are at the center of family consumption, but yet are also often overwhelmed with difficult decisions.In the future, the company will seek to provide broader solutions for various life events in order to support family's decision making processes.
4th Floor, MS Building,1-2-17 Mita, Minatoku, Tokyo 108-0073
- ENERES Co., Ltd.
ENERES was established for the purpose of offering the service of energy efficiency and of promoting the new business opportunities with the structural change of Japan's electric power system.
Our current projects include promotion of renewable energy, consultation of the business in conjunction with the environment, and local production for local consumption of the energy.
Besides, ENERES participates several demonstration projects of the Agency of Natural Resources and Energy such as Negawatt Transaction or Virtual Power Plant (VPP) positively.
14F Ochanomizu First Bldg, 2-5-1 Kandasurugadai, Chiyoda-ku, Tokyo 101-0062
- iret Inc.
iret Inc's core services include Cloud associated services - from system architecture and administration, through to operation and monitoring. There are also Development services - eg., Application or Service development.
cloudpack, the name of these Cloud associated services, has provided services for over 840 companies in Japan, mainly Amazon Web Services (AWS), and has been certified as a "Premier Consulting Partner" by AWS for 5 years in a row starting in 2013.
7th Floor, Toranomon Hills Mori Tower, 1-23-1 Toranomon, Minato-ku, Tokyo 105-6307
- Japan Internet Exchange Co., Ltd.
JPIX is a company that operates the first commercial IX in Japan - a highly reliable IX compatible with rapidly increasing Internet traffic. IX (Internet eXchange) exchanges traffic mutually connected by Internet service providers (ISP) and contents service providers (CSP) who create the major portion of Internet networks, and as such it plays an incredibly important role in the efficient expansion of Internet networks and maintenance of transmission quality.
19th Floor, KDDI Otemachi Building, 1-8-1 Otemachi, Chiyoda-ku, Tokyo 100-0004
- Japan Network Enabler Corporation (JPNE)
Japan Network Enabler Corporation (JPNE) is a wholesale supplier that distributes IPv6 network infrastructure to Internet Service Providers (ISPs).
Sharing backbone network among multiple ISPs enables them to offer low-cost and high-quality service efficiently to their customers.
- We offer widely connected and valuable network to our customers for deploying IPv6 Internet in Japan -
7th Floor, S-GATE AkasakaSanno, 2-5-1 Akasaka, Minato-ku, Tokyo 107-0052
- Japan Telecommunication Engineering Service Co., Ltd.
As a member of KDDI Group, the comprehensive information and communications enterprise, we at J-TES contribute to the creation of a plentiful society from both the communications and distribution angles through optical fiber nationwide network and ETC facility maintenance, management, and engineering.
4th Floor, KDDI Building Annex, 2-3-3 Nishi-Shinjuku, Shinjuku-ku, Tokyo, 163-8528
- Jibun Bank Corporation
Established by au and Tokyo-Mitsubishi UFJ, Jibun Bank is a totally new kind of bank that uses mobile phones as the main point of contact with its customers. Exclusively servicing customers with the corresponding functionality built into their mobile phone allows it to actualize both convenient service and high security. Anyone can use it conveniently and securely, anytime, anyplace.
6th Floor, Shinjuku Oak Tower, 6-8-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo 163-6006
- Jupiter Entertainment Co., Ltd.
Jupiter Entertainment is a program supplier that provides the Movie Plus channel and ♪LaLa TV women's entertainment channel to cable television stations and digital satellite broadcasting and IP broadcasting services.
Marunouchi Trust Tower North, 1-8-1 Marunouchi, Chiyoda-ku, Tokyo 100-0005
- Jupiter Shop Channel Co., Ltd.
Jupiter Shop Channel is a direct marketing business centered on operation of the Shop Channel, delivering teleshopping through CATV broadcasts, satellite broadcasts, internet, mail-order catalogs and other media channels.
Kokkan Building ,1-14-1 Shinkawa, Chuou-ku, Tokyo 104-0033
- Jupiter Telecommunications Co., Ltd. (J:COM)
Jupiter Telecommunications (J:COM) is the largest Multiple System Operator (MSO) in Japan. Its cable television sector provides cable TV, high-speed Internet, telephone and other services mainly to the Kanto and Kansai areas, and through affiliations, to Sapporo, Sendai, and the Kyushu area. Its program distribution sector manages premium channels viewable through cable TV and direct-broadcast satellite, and is involved in film production and distribution, video content distribution, and more.
Marunouchi Trust Tower North, 1-8-1 Marunouchi, Chiyoda-ku, Tokyo 100-0005
- Kagoshima Mega Solar Power Corporation
Kagoshima Mega Solar Power Corporation is a solar power plant operator established in July 2012 by a consortium of seven companies, including KDDI. Located in Nanatsujima in Kagoshima City, Kagoshima Prefecture, it supplies power to Kyushu Electric Power Company.
1-1 Kamoikeshinmachi, Kagoshima-shi, Kagoshima Prefecture 890-0064
- KDDI Challenged Corporation
As one of the KDDI measures towards diversity, KDDI Challenged was established to promote the employment of disabled individuals.
It provides a stable working environment that considers the various needs of disabled individuals, offers a work life with motivation and a sense of purpose, and strives for an expansion of employment opportunities.
Garden Air Tower, 3-10-10 Iidabashi, Chiyoda-ku, Tokyo 102-8460
- KDDI Commerce Forward CORPORATION
KDDI Commerce Forward uses e-commerce to provide all customers with the surprise and emotion of encountering new products, as well as the value of a shopping experience in which they discover a version of themselves that they never knew.
Shinjuku MIDWEST Building, 4-30-3 Yoyogi, Shibuya-ku, Tokyo 151-0053
- KDDI Engineering Corporation
KDDI Engineering Corporation handles the KDDI core technology related to all KDDI communications services, including communication facility construction, initial line installation work and maintenance. In addition, the company has been extending its business to constructions, inspections, and renewal work of base station facilities, technician dispatch services and more.
Shinjuku Bunka Quint Building, 3-22-7, Yoyogi, Shibuya-ku, Tokyo 151-0053
- KDDI Evolva Inc.
KDDI Evolva engages in high quality human resources business for communications strategies by maximizing the overall power of the global enterprise known as the KDDI Group as a major backbone.
Shinjuku First West, 1-23-7 Nishi-Shinjuku, Shinjuku-ku, Tokyo 160-0023
- KDDI FINANCIAL SERVICE CORPORATION
As a member of KDDI Group, KDDI FINANCIAL SERVICE is offered safety, convenience and advanced financial services to au customers.
It was founded in February 2014.
MARK LIGHT TORANOMON 13F, 2-3-1, Nishi Shinbashi, Minato-ku, Tokyo 105-0003
- KDDI Foundation
KDDI Foundation is designed to contribute to the harmonious and healthy worldwide development and the advancement of society, the economy, and culture through ICT. It was founded in October 2009 to this end. In addition to engaging in an assortment of research themes pertaining to ICT, the Foundation is involved in activities such as giving assistance and support to NPOs active inside and outside of Japan as well as foreign students, overseas training, technological donations, and projects aiming at the alleviation of the digital divide.
Garden Air Tower, 3-10-10 Iidabashi, Chiyoda-ku, Tokyo 102-8460
- KDDI Group Foundation
KDDI Kyosaikai operates mutual aid and lifestyle support for KDDI Group members. It also contributes to society as a member of KDDI Group through public interest activities, such as offering mobile phone lessons.
3-10-10 Iidabashi, Chiyoda-ku, Tokyo 102-8460
- KDDI MATOMETE OFFICE CORPORATION
In addition to sale of and support for "KDDI Matomete Office," a membership program targeting small and medium-sized companies that supports their overall IT environment, from telecommunication services, SaaS and other cloud services to supply of telecommunication and OA equipment, "KDDI Matomete Office Corporation" is a one-stop provider of human resource solutions, including business services that take full advantage of KDDI's human resource services, training courses and employment.
Shinjuku Bunka Quint Building, 3-22-7, Yoyogi, Shibuya-ku, Tokyo 151-0053
- KDDI PRECEDE CORPORATION
As well as telecommunications services, KDDI PRECEDE introduces a diverse range of related services including au WALLET and Jibun Bank and proposes new lifestyles to customers through shops across Japan directly managed by the KDDI Group.
Hulic Shinjuku Building, 3-25-1, Shinjuku, Shinjuku-ku, Tokyo 150-8510
- KDDI Research, Inc.
KDDI Research is engaged in surveying and research for a widespread domain centering on marketing, system policy and the newest industry trends inside and outside of Japan, as well as in the research and development of the world-leading information and communications technologies. We will continue "Challenge for an affluent future" through future prediction and the creation of new technologies.
2-1-15 Ohara, Fujimino-shi, Saitama Prefecture 356-8502
- KDDI Technology Corporation (KTEC)
Platforms, applications... KTEC continues to build the most central core area supporting au mobile phones. "Ambitious For Technology"
KTEC is carving out the future for mobile phones.
3th Floor, TOYOSU URBAN POINT, 5-5-13 Toyosu, Koto-ku, Tokyo 135-0061
- KDDI Web Communications Inc.
KDDI Web Communications has been providing services as a hosting specialist since 1997. Under the principle of "Internet server technology operatable within the realm of home-electronics," its soaring customer satisfaction with great user friendliness and a cancellation rate of under 1% is garnering devotion from a wide user base, including businesses from the SoHo level to global foreign backed companies and cutting edge IT companies listed in the first section market as well as organizations like government and municipal offices.
Sumitomo Fudousan Kojimachi Building No. 3, 3-6 Kojimachi, Chiyoda-ku, Tokyo, 102-0083
- KKBOX Japan LLC
KKBOX, Asia's leading music streaming service, features over 10 million legal tracks, including the most comprehensive Asia-Pop music library, and is currently available in Taiwan, Hong Kong, Japan, Singapore, Malaysia and Thailand with over 10 million users. Only from KKBOX, 'Listen with' lets you in on the same tracks as your friends and favorite artists, so you can chat as you listen in real time. KKBOX Japan is a company that provides it in Japan.
6F,Urbanprem Shibuya,1-4-2 Shibuya,Shibuya-ku,Tokyo,150-0002
- KOKUSAI CABLE SHIP Co., Ltd. (KCS)
KCS owns two cable ships and is engaged in submarine cable construction, maintenance, and landing work as well as ocean surveying and an assortment of consulting services. With technological power at the world's highest standard, it is a leading company active in Asia and the Pacific region.
6th Floor,Kawasaki Frontier Building,11-2 Ekimae Honcho, Kawasaki-Ku, Kawasaki-Shi, Kanagawa Prefecture 210-0007
- KYOCERA COMMUNICATION SYSTEMS Co., Ltd.
KYOCERA COMMUNICATION SYSTEMS was founded in September 1995. It is engaged in ICT business focusing on supplying comprehensive services traversing the arenas of information systems and network systems and communications engineering business focusing on the construction and maintenance of communications infrastructure.
c/o Kyocera Head Office Building, 6 Takeda Tobadono-cho, Fushimi-ku, Kyoto 612-8450
- LAC Co., Ltd.
Established as a system development business in 1986, we are proud of our achievements in the development of applications and fundamental systems for the financial industry. In 1995, we started the nation's first information security business. We are currently the leading company in this field, serving major corporations, government agencies and organizations and providing our customers with advanced Total IT Solutions using the industry's leading security technology.
Hirakawacho Mori Tower, 2-16-1, Hirakawacho, Chiyoda, Tokyo 102-0093
- LIFENET INSURANCE COMPANY
Returning to the original purpose of life insurance―mutual support―Lifenet Insurance was founded with the goal of offering simple, convenient and competitively priced products and services based on the highest levels of business integrity. We sell these products and services directly to customers over the Internet. By using the Internet, we are able to offer highly cost-competitive products and accept applications from customers at any given time.
2-14-2 Kojimachi, Kojimachi NK Building 5F, Chiyoda-Ku, Tokyo 102-0083
- Loco Partners Inc.
Thank you for your interest in Relux.
Relux is a members-only booking site, offering only top quality luxury hotels and ryokans, which are carefully selected and tested with our experienced staff. We offer the best travel experience and the good side of Japan that is not well known to the customers.
4th Floor, Comodio Shiodome, 2-14-1 Higashi-Shinbashi, Minato-Ku, Tokyo 105-0021
- LUXA, Inc.
Luxa is a marketplace to buy and discover the "luxury items&experience in a good price". Our buyers are constantly seeking out the most exciting electronics, gourmet foods, cosmetics, clothes and so on. We also inspire members to discover exclusive gourmet dinners,hotels, spas, and entertainment tickets such as "Kabuki". Incooperation with KDDI, "au WALLET Market powered by LUXA" has also started since August 2015, a new marketplace for au smartphone users.
SHIBUYA CAST. 11F, 1-23-21 Shibuya, Shibuya-ku, Tokyo, 150-0002 Japan
- mediba Inc.
mediba Inc. provides advertising, media production, and new business services through our core business of au Smart Pass, KDDI's portal site. In the evolving mobile world, mediba is delivering timely services from providing smartphone applications and services, to connecting companies with users.
31th Floor, Shibuya Hikarie, 2-21-1 Shibuya, Shibuya-ku, Tokyo 150-8510
- Mobaoku Co., Ltd.
Mobaoku Co., Ltd. is a joint investment between KDDI and DeNA Co., Ltd. It plans and operates auction services centering on mobile phone users. "au one Mobaoku," a business collaboration with KDDI and "Mobaoku," which is geared towards users of other mobile phone carriers, aim to actualize both a convenience that makes full use of features unique to mobile phones and service that a wide array of customers can enjoy in a safe environment.
Shinjuku Midwest Building, 4-30-3 Yoyogi, Shibuya-ku, Tokyo, 151-0053
- Mt. Fuji Springs Inc.
Mt. Fuji Springs delivers clear, high quality water from Mt. Fuji's natural springs collected at an elevation of 1,000 meters, the development limit zone, under the FRECIOUS label together with water dispensers that combine functionality with design.
Thanks to its strict hygiene management and high quality, the company became the first dedicated water dispenser manufacturer in Japan to receive certification under FSSC22000, the international standard for food safety management systems.
4961-1, Kamiyoshida, Fujiyoshida-shi, Yamanashi Prefecture 403-0005
- OKINAWA CELLULAR TELEPHONE COMPANY
As a member of the KDDI Group, OKINAWA CELLULAR TELEPHONE COMPANY engages in providing au mobile telephone services in the Okinawa Prefecture region.
Okinawa Cellular will continue to provide ever better customer satisfaction and dedicated, community-based service.
4th Floor, Ryukyu Lease Sogo Building, 1-7-1 Kumoji, Naha-shi, Okinawa Prefecture 900-8540
- Supership Inc.
Supership Inc., a member of the KDDI group, was founded on November 1st 2015 through a definitive merger between ScaleOut Inc., Bitceller Inc., and nanapi Inc.
Based on the ideology that a better world can be realized when everything is connected, we aim to provide new value by capitalizing on our advertisement, internet services, and platform businesses. Supership Inc. continues to strive to offer new services to meet the future expectations of its customers by utilizing the largest number of customer touch points and data assets for smartphones.
Tatsumura-Aoyama Building, 5-4-35 Minamiaoyama, Minato-ku, Tokyo 107-0062
Syn. Holdings is an enterprise that promotes business expansion for KDDI's open areas. Syn. Holdings aims to expand and create business in various fields from the world of the Internet to real-world areas, as well as offer efficient business administration for the entire KDDI Group.
- TEPCO OPTICAL NETWORK ENGINEERING INC.
TEPCO OPTICAL NETWORK ENGINEERING INC. is a company that smoothly and efficiently supports the FTTH enterprise (HIKARI one) propelled by KDDI CORPORATION and The Tokyo Electric Power Company, Incorporated.
8th Floor, Koishikawa-Daikoku Building, 1-3-25 Koishikawa, Bunkyo-ku, Tokyo 112-0002
- UQ Communications Inc.
Launched as a telecommunications carrier providing broadband wireless access (BWA) services, UQ Communications (UQ) offers the high-speed mobile internet service "UQ WiMAX" and Smartphone service "UQ mobile".
UQ will continue refining "connecting" in order to deliver new values and the excitement to our customers, and it aims to contribute to the development of society and the world by mobile internet.
18th Floor, Shinagawa East One Tower, 2-16-1 Konan, Minato-ku, Tokyo 108-0075
- WebMoney Corporation
We offer value-added "safe and convenient Internet lifestyle solutions" through the issue and sale of WebMoney server-based electronic money and electronic payment services for online e-commerce transactions.
12th Floor, MARK LIGHT TORANOMON, 2-3-1, Nishishinbashi, Minato-ku, Tokyo 105-0003
- Wire & Wireless Co., Ltd. (Wi2)
Telecommunications carrier Wire & Wireless Co., Ltd. (Wi2) provides 'Wi2 300' public wireless LAN services accessible from Wi-Fi (wireless LAN) enabled devices such as laptop computers, tablet computers and smartphones. We offer one of the largest service areas in Japan with approximately 200,000 locations in the roaming area as well as our own areas including Marunouchi (Tokyo), Yokohama and airport limousines.
4th Floor, Daiwa Ginza Building, 6-2-1, Ginza, Chuou-ku, Tokyo 104-0061