| Company name | Group | Parent | Subsidiary | Customer | Supplier | Alliance | Bank | Shareholder |
|---|---|---|---|---|---|---|---|---|
|
|
||||||||
| AGS Business Computer Corporation | ||||||||
|
|
||||||||
| 鈴木建設株式会社 | ||||||||
|
|
Pursued outsourced activities for local governments, entered into local government-related operations, and strengthened organizational structure.
To expand support in the municipal domain, we entered municipal-related operations, strengthened organizational structure, and intensified sales activities. Starting with the contract development of the "Resident Information Processing System" in 1976, we provided system development to solve municipal issues and began efforts toward comprehensive administrative systems.
Showa Computer Service and Saigin Computer Service were established, launching outsourced computing services that contribute to banks' management strategies.
During the period of rapid economic growth, as the banking industry advanced online, external information processing services were established at Kyowa Bank and Saitama Bank, each creating Showa Computer Service and Saigin Computer Service, respectively, and began service deployment. These two companies became the foundation for the later AGS.
Established 'Showa Computer Service' and 'Saigin Computer Service' at Kyowa Bank and Saitama Bank, respectively, and began service deployment.
Established Showa Computer Service Co., Ltd. in Minato-ku, Tokyo, to provide outsourced computing services for Kyowa Bank customers.
Established Saigin Computer Service Co., Ltd. in Urawa City, Saitama Prefecture, to provide outsourced computing services for Saitama Bank customers.
Commenced outsourced development of resident information processing systems, initiating system development to solve local government issues and efforts toward comprehensive administrative systems.
Starting from the contract development of the 'Resident Information Processing System' in 1976, the company provided system development to solve individual municipalities' issues, and began work on comprehensive administrative systems leveraging that know-how. Municipal contract orders expanded significantly.
Showa Computer Service Co., Ltd. changed its name to Showa Computer System Co., Ltd. and relocated its headquarters to 10-43, 3-chome, Minami-Aoyama, Minato-ku, Tokyo.
Showa Computer Service Co., Ltd. changed its name to Showa Computer System Co., Ltd. and moved its headquarters to 3-10-43 Minami-Aoyama, Minato-ku, Tokyo.
Showa Computer Service Co., Ltd. changed its corporate name to Showa Computer System Co., Ltd.
Moved headquarters to 10-43, 3-chome, Minami-Aoyama, Minato-ku, Tokyo.
In 1982, the first online system developed by Saigin Computer Service went live, launching online services to realize office automation.
The first online system developed by Saigin Computer Service became operational, launching online projects for banks and local governments.
The first online system developed by Saigin Computer Service began operation.
Saigin Computer Service Co., Ltd. established SCS Computer Business Co., Ltd. (now AGS Business Computer Co., Ltd.).
Saigin Computer Service Co., Ltd. changed its name to Asahi-Gin Comprehensive System Co., Ltd., and Showa Computer System Co., Ltd. changed its name to Asahi-Gin Information System Co., Ltd.
Saigin Computer Service Co., Ltd. changed its name to Asahi-Gin Comprehensive System Co., Ltd., and Showa Computer System Co., Ltd. changed its name to Asahi-Gin Information System Co., Ltd.
Saigin Computer Service Co., Ltd. changed its corporate name to Asahi-Gin Comprehensive System Co., Ltd.
Showa Computer System Co., Ltd. changed its corporate name to Asahi-Gin Information System Co., Ltd.
Former Saigin Computer Service and former Kyowa Bank-affiliated companies merged to form Asahi Bank Comprehensive System Co., Ltd.
The two companies merged, with Asahi-Gin Comprehensive System Co., Ltd. as the surviving company.
The former Saitama Bank-affiliated Asahi Bank General System Co., Ltd. and the former Kyowa Bank-affiliated Asahi Bank Information System Co., Ltd. merged to form Asahi Bank General System Co., Ltd.
The former Saitama Bank-affiliated 'Asahi-Gin Comprehensive System Co., Ltd.' (formerly Saigin Computer Service) and the former Kyowa Bank-affiliated 'Asahi-Gin Information System Co., Ltd.' (formerly Showa Computer Service) merged to form 'Asahi-Gin Comprehensive System Co., Ltd.'.
Received the 'Privacy Mark' certification from the Information Service Industry Association.
Achieved 'Software Capability Maturity Model: CMM® Level 2'.
Opened the internet data center 'Saitama IDC', expanding domestic data center operations.
Relocated headquarters to 2-11, 4-chome, Harigaya, Urawa-ku, Saitama City, Saitama Prefecture, and opened the Internet Data Center 'Saitama iDC'.
Opened "Saitama IDC" to meet the growing demand for Internet Data Centers (IDC).
Moved headquarters to 4-2-11 Harigaya, Urawa-ku, Saitama City, Saitama Prefecture, and opened the Internet data center 'Saitama iDC'.
Anticipating increased demand for Internet data centers (IDCs) in public institutions and corporations, the company established an IDC in-house to expand IDC-related contract work.
Moved headquarters to 2-11, 4-chome, Harigaya, Urawa-ku, Saitama City, Saitama Prefecture.
Opened the internet data center "Saitama IDC".
Obtained certification for the 'Information Security Management System (ISMS) Compliance Evaluation System Ver.2.0'.
Registered with the Ministry of Economy, Trade and Industry's 'Information Security Audit Company Registry System'.
Separated from the consolidated subsidiaries of Resona Bank Co., Ltd. and became independent from the Resona Group.
Independently from the Resona Group, changed the company name from Asahi Bank Comprehensive System Co., Ltd. to AGS Inc.
Independently from the Resona Group, changed the company name from Asahi Bank General System Co., Ltd. to the current AGS Inc., launching system consulting, software development, and data center services for a broad customer base as a second founding.
Separated from the Resona Group and took the first step as a general business corporation. The company name was changed from "Asahi-Gin Comprehensive System Co., Ltd." to the current "AGS Co., Ltd.".
Established AGS Pro Service Co., Ltd. and achieved 'Software Capability Maturity Model: CMM® Level 3'.
Established AGS Pro Service Co., Ltd. and achieved the Software Capability Maturity Model: CMM® Level 3.
Established AGS Pro Service Co., Ltd.
Achieved "Software Capability Maturity Model: CMM® Level 3".
Changed its name to AGS Co., Ltd.
Achieved 'Capability Maturity Model Integration: CMMI® Level 3'.
Established AGS System Advisory Co., Ltd.
Obtained certification for the 'Environmental Management System (ISO14001:2004)'.
Registered with the Ministry of Economy, Trade and Industry's 'Specified System Operation Company Registration and Certification System'.
Obtained transition certification to ISO/IEC27001:2005 in line with ISOization of ISMS.
Relocated Tokyo headquarters to 1-21-11, Higashi-Ikebukuro, Toshima-ku, Tokyo, and established the Urawa Solution Center at 1-13-1, Numaekii, Minami-ku, Saitama City, Saitama Prefecture.
Moved Tokyo headquarters to 1-21-11 Higashi-Ikebukuro, Toshima-ku, Tokyo, and established the Urawa Solution Center at 1-13-1 Numazaki, Minami-ku, Saitama City, Saitama Prefecture.
Moved Tokyo headquarters to 21-11, 1-chome, Higashi-Ikebukuro, Toshima-ku, Tokyo.
The Urawa Solution Center has been newly established at 1-13-1 Numazaki, Minami-ku, Saitama City, Saitama Prefecture.
Listed on the Second Section of the Tokyo Stock Exchange, later designated to the First Section, and transitioned to the Standard Market in 2022.
Listed on the Second Section of the Tokyo Stock Exchange.
Listed on the Second Section of the Tokyo Stock Exchange, later designated as a First Section listing in March 2014, and transitioned to the Standard Market in April 2022 following market restructuring.
Listed on the Second Section of the Tokyo Stock Exchange.
Obtained certification for the 'IT Service Management System (ISO/IEC20000-1:2005)'.
Opened the city-type data center 'Saitama iDC' boasting advanced security in the new corporate building.
Opened a new data center, 'Saitama iDC', in the new headquarters and expanded the data center business.
Opened the new AGS Building at 3-3-25 Harigaya, Urawa-ku, Saitama City, Saitama Prefecture, and established the new Internet Data Center "Saitama iDC".
Opened the new headquarters (AGS Building) at 4-3-25 Harigaya, Urawa-ku, Saitama City, Saitama Prefecture.
Opened a new Internet data center 'Saitama iDC'.
Obtained certification for the Information Disclosure Certification System for the Safety and Reliability of Data Centers.
Obtained certification for the Business Continuity Management System (ISO 22301:2012).
Designated to the First Section of the Tokyo Stock Exchange and opened the West Japan DR site for "Saitama iDC".
Designated by the First Section of the Tokyo Stock Exchange, opened the 'Saitama iDC' West Japan DR site.
Designated as a First Section listing on the Tokyo Stock Exchange.
Designated as the First Section of the Tokyo Stock Exchange.
Establishment of the Saitama iDC West Japan DR site.
Obtained certification for the Information Disclosure Certification System for the Safety and Reliability of IaaS and PaaS.
Consolidated the Tokyo headquarters into the Urawa Solution Center.
Established the 'AGS Group Health Management Declaration' aimed at improving employee health, continuously certified as a health management excellence corporation.
The AGS Group issued a health management declaration, promoted initiatives to improve employee health, and was consecutively certified as a 'Health Management Excellence Corporation' by the Ministry of Economy, Trade and Industry and the Japan Health Conference.
We established the "AGS Group Health Management Declaration", announcing our proactive efforts to promote employee health both internally and externally.
Obtained certification for the Information Disclosure Certification System for the Safety and Reliability of ASP and SaaS.
Obtained certification for PCI DSS Ver3.2.1.
Obtained certification for ISMS Cloud Security (ISO/IEC 27017).
Since 2018, we have been consecutively certified as a "Health Management Excellence Corporation" jointly conducted by the Ministry of Economy, Trade and Industry and the Japan Health Conference.
Celebrated its 50th anniversary, focusing on areas such as cloud integration and security solutions, aiming for sustainable growth.
Promoted CSR activities and work style reforms, advancing initiatives toward achieving the SDGs.
Commenced operation of the new floor at Internet Data Center "Saitama iDC".
Celebrating its 50th anniversary, the company focused on cloud integration, security solutions, and IT strategy solutions, worked on sustainable growth and solving social issues, and strengthened its efforts toward the SDGs.
AGS celebrated its 50th anniversary in 2021.
Thanks to the support of many people involved with AGS, we were able to celebrate our 50th anniversary of founding.
The AGS Group has decided to further strengthen its efforts toward creating a sustainable society, building on its ongoing CSR activities, work style reforms, and SDG initiatives.
Celebrated the 50th anniversary.
50th anniversary of establishment.
Transitioned to the Standard Market of the Tokyo Stock Exchange.
Moved to the "Standard Market" following the Tokyo Stock Exchange market reorganization.
Accumulated technologies meeting advanced security standards and strengthened cyber security support.
Expanded support in information security, strengthening initiatives aimed at revitalizing the cyber security industry and protecting domestic companies.
To support the promotion of company-wide information security measures, we are strengthening support that covers consulting, system development, and operations. Additionally, AGS has joined the "Japan Cybersecurity Fund No.1 Investment Partnership Limited Liability Company", aimed at revitalizing Japan's cybersecurity industry and protecting domestic companies from nationwide cyber attacks.
Absorbed and merged with AGS System Advisory, strengthening the support system for IT and DX consulting.
Merged with AGS System Advisory to expand support in the consulting domain.
Absorbed AGS System Advisory Co., Ltd. and established the "Consulting Division".
AGS Inc. absorbed AGS System Advisory Inc.
Consolidated the Urawa Solution Center into the headquarters.
AGS Inc. announced the launch of its emergency response support service, which was covered in the Saitama Shimbun (page 4, November 6, 2026). The release was announced on November 4, 2026, and the company primarily operates in information processing services and software development.
AGS Inc. published an article about the "Co-Parenting Seminar" that appeared in the Saitama Newspaper. The article was featured on page 4 of the October 27, 2026 edition, and the company explains the seminar's content and purpose.
AGS Inc. has introduced "Emergency Response Support" as a new service under its IT operations outsourcing service "ZENBOO". This service provides specialized investigation and response assistance during cyber security incidents. By collaborating with BBSec, it delivers rapid and appropriate responses to strengthen corporate cyber security measures.
On November 2, 2026, AGS repurchased 100,000 common shares for 131 million yen through ToSTNeT-3. This marked the completion of the share repurchase based on the board resolution held on October 30. The repurchase aims to enhance shareholder returns and improve capital efficiency.
At the board meeting held on October 30, 2026, the company resolved to repurchase its own shares pursuant to Article 459(1) of the Companies Act. The reasons for the repurchase are to enhance shareholder returns and improve capital efficiency. The repurchase method is to purchase at the closing price of 1,031 yen on October 30, 2026, at 8:00 a.m. on November 2, 2026, on the ToSTNeT-3 transaction.
AGS Corporation and Saitama Resona Bank conducted the "Co-Parenting Seminar" on October 23, 2026, to encourage male employees to participate in child-rearing and family life. The seminar aimed to deepen understanding of communication and co-parenting to balance work and family, targeting male employees who are raising children or who plan to become fathers in the future.
An article about the feature update of the AI-Zanmai generative AI service for businesses and organizations was published in the Nikkan Kogyo Shimbun dated October 22, 2026.
The AGS Group published Issue No. 33 of 'SDGs News', which introduces its sustainability initiatives for the first half of fiscal year 2026. The issue covers topics such as co-hosted events with Saitama City, support for human resource development for elementary and middle school students, and the establishment of health management goals, showcasing efforts to create an environment where diverse talents can thrive.
AGS will participate in the Shinkin Communication Fair 2026 held at Tokyo Ryutsu Center on October 22 and 23, 2026. It will introduce cloud services for security surveys and cyberattack countermeasures, proposing the latest solutions to visitors.
AGS Inc. updated its AI-Zanmai generative AI service for businesses and organizations in September 2026. Improvements include a refreshed user interface, integration of the high-performance GPT-5.4 model, and image generation, aiming to improve usability and effective adoption.