Kinjiro Co., Ltd. provides human resource management (HRM) solutions. It operates in two segments: HRM Business and Real Estate Leasing. The company develops integrated HRM systems covering employment, HR, payroll, healthcare, and labor cost management, and offers system implementation, investment consulting, and post-implementation support, along with installation work for time recorders and work terminals, LAN wiring, and electrical facility construction. Formerly known as Nittsusystem Co., Ltd., it changed its name to Kinjiro Co., Ltd. in March 2021. Incorporated in 1981, it is headquartered in Tokyo, Japan.