System Support Holdings Inc. is a Japanese technology company that plans, develops, operates, and maintains IT systems in Japan and North America. It operates through five segments: Cloud Integration, System Integration, Outsourcing, Product, and Overseas. The company provides cloud migration support and license resale for ServiceNow, Microsoft Azure, Amazon Web Services, and Google Cloud, as well as ERP implementation, Oracle database infrastructure, IT consulting, and data center services. It also develops and sells software products such as Tate Yakusha, Shugyo Yakusha, SHIFTEE, MOS, T-File System, and PinMap. Formerly System Support Inc., it changed its name to System Support Holdings Inc. in January 2025, was incorporated in 1980, and is headquartered in Kanazawa, Japan.