Establishment and Foundation Building: 1976–1990

This formative period coincided with the beginning of Japan’s IT industry’s transition from mainframe-centric computing to open systems. Founded as a specialized systems development company, HIMACS emphasized technological capabilities and human resource development by establishing dedicated research and development and human resource development functions.

Certification as a System Integrator by the Ministry of International Trade and Industry (MITI) represented an important milestone in establishing the Company’s reputation for reliability and quality. It also provided a foundation for strengthening system development in the public and financial sectors.

1976	Established Himac Systems Co., Ltd. in Totsuka Ward, Yokohama, with initial paid-in capital of ¥4 million
1979	Relocated the head office to Naka Ward, Yokohama
1990	Recognized by the Ministry of International Trade and Industry, currently the Ministry of Economy, Trade and Industry, as a System Integrator

Business Expansion and Quality Assurance: 1991–2007

The widespread adoption of client-server systems and the internet led to a rapid increase in corporate demand for IT services. During this period, the Company changed its corporate name and refreshed its brand identity. The acquisition of PrivacyMark and ISO 9001 certifications strengthened its information security and quality management capabilities.

Through its listings on JASDAQ and the Second Section of the Tokyo Stock Exchange, the Company enhanced its access to capital and expanded its system development business in the financial, distribution, and public sectors, including by establishing additional offices. The acquisition of ISMS certification further demonstrated its strong commitment to information security.

1991	Changed its name to HIMACS, Ltd.
1997	Established SBS Co., Ltd. as an affiliate
2000	Obtained PrivacyMark certification
2001	Obtained ISO 9001 certification Listed on the JASDAQ market
2002	Opened the Kannai Office in Naka Ward, Yokohama
2004	Listed on the Second Section of the Tokyo Stock Exchange
2006	Obtained ISMS certification
2007	Opened Minato Mirai Office in Nishi Ward, Yokohama

Advanced Capabilities and Enhanced Reliability: 2008–2015

The growing adoption of cloud computing and smart devices accelerated the advancement of IT services. During this period, the Company strengthened its development capabilities, including by expanding the Minato Mirai Office, and enhanced its ability to undertake large-scale projects.

Its designation to the First Section of the Tokyo Stock Exchange in 2015 reflected the scale of its business and the trust it had earned. It also formed part of the Company’s strategy to remain competitive in developing mission-critical systems for financial institutions and public-sector organizations.

2012	Expanded the Minato Mirai Office in Nishi Ward, Yokohama
2015	Designated for listing on the First Section of the Tokyo Stock Exchange

Digital Transformation and Market Adaptation: 2016–Present

The rapid spread of digital transformation (DX), AI, and cloud services marked a major turning point for the IT industry. During this period, the Company relocated its headquarters to Minato Mirai and established an advanced development environment.

Its transition to the Prime Market of the Tokyo Stock Exchange reflected its strategy to strengthen corporate governance and pursue sustainable growth. The subsequent move to the Standard Market in 2023 was a flexible market selection aligned with the Company’s scale and business characteristics, demonstrating its focus on stable growth and responsiveness to customer needs.

2020	Relocated the head office to Nishi Ward, Yokohama
2022	Transitioned from the First Section to the Prime Market following the Tokyo Stock Exchange’s restructuring of its market segments
2023	Transitioned to the Standard Market of the Tokyo Stock Exchange
2026	Made Coresoft Co., Ltd. a wholly owned subsidiary