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Last updated : 03/06/2026

Sunnet Corporation

President
TAKANORI YAMAGUCHI (Mr.)
Year established
1962
Capital
60,000,000 yen
Sales
10,020,000,000 yen
Employees
373
Postal (zip) code
730-0036
Company address
Fukoku Seimei Bldg., 4-21 Fukuro-machi, Naka-ku, Hiroshima-shi
Phone
082-248-4100
Fax
082-247-0646
E-Mail
info@csunnet.co.jp
URL
https://www.csunnet.co.jp
Company PR

“Shaping the Future of DX from Hiroshima.” – Our Motto as a Platformer Contributing to the Local Community

With the advancement of digital technologies, society is evolving toward greater convenience and comfort. At the same time, threats and risks to socio-economic activities—such as cyberattacks, information leaks, increasingly severe natural disasters, and global pandemics—are growing stronger. In this environment, it is essential to leverage digital technologies for new value creation while ensuring the development of a safe and secure information infrastructure.

Amid these rapid societal changes, Sunnet celebrated its 60th anniversary in 2022 and introduced a new “Management Vision 2027.” Under the continuing slogan, “Shaping the Future of DX from Hiroshima,” we aim to be a regionally rooted platformer contributing to DX that drives the creation of new value for our customers and society.

Our executives and employees work together to realize customer satisfaction, technological advancement, and a fulfilling life for our employees. We continue to evolve as a company where employees—who have become part of our team through shared connections—can take pride and gain confidence in their work.

Major Products
System construction and consulting
Network and security construction
Outsourcing and system operation
Software package development, sales, and support
Maintenance/support service
Major Customers
Government Agencies (Hiroshima City, Hiroshima Prefecture, Ministry of Land, Infrastructure, Transport and Tourism, Regional Development Bureaus)
Hiroshima Red Cross Hospital & Atomic-bomb Survivors Hospital
Hiroshima Toyo Carp
Hotel Granvia Hiroshima
Technology Employed
Information service industry
We design and develop systems for medical fields and have multiple packages for medical institutions.
Information service industry
We design and develop systems for public fields and have multiple packages for local governments.
Information service industry
We provide comprehensive IT service support for the manufacturing, distribution, and service industries.
Information service industry
We provide solutions for security measures from the whole network consulting.
Information service industry
We have much experience with system development for ordinary businesses, and for government agencies and other customers.
Information service industry
Certified for ISO 9001, ISO/IEC 27001, and PrivacyMark.
Primary Area of Technical Expertise

Utilizing our know-how of public, medical, and private industry and business, we offer a full line of support from consulting to system development, introduction, operation, and maintenance.

Future Business Challenges
Comprehensive DX support, from assisting the operations of local government bodies to business process improvement
Utilizing medical ICT to promote information sharing and data utilization in healthcare, nursing care, and wellness, contributing to the realization of community-based integrated care
Providing one-stop services from consulting to operations, helping businesses address their management challenges
Other

・Total number of data-processing technicians qualified by the Minister of Economy, Trade and Industry: 478
・ISO9001 (JQA-QM4042)
・ISO/IEC27001 (JQA-IM0096)
・Privacy Mark (11820487 (10))

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