Kong Shum Smart Management Group (Holdings) Limited, an investment holding company, provides property management services in Hong Kong and the People's Republic of China. The company operates in three segments: Provision of Property Management and Related Services; Properties Investment; and Money Lending Business. It offers security, repair and maintenance, cleaning, financial management, and administrative and legal support services to residential properties under the Kong Shum brand name, as well as consultancy services. The company was formerly known as Shi Shi Services Limited and changed its name to Kong Shum Smart Management Group (Holdings) Limited in March 2025. The company was founded in 1984 and is headquartered in Hung Hom, Hong Kong. Kong Shum Smart Management Group (Holdings) Limited operates as a subsidiary of Heng Sheng Capital Limited.