SH Group (Holdings) Ltd. is an investment holding company, which engages in the provision of electrical and mechanical engineering services. It focuses on the supply, installation, and maintenance of mechanical ventilation and air-conditioning systems. The firm also offers services in relation to low voltage electrical system and other electrical and mechanical systems, including fire services system, plumbing and drainage system, in both private and public sectors. The company was founded in 1986 and is headquartered in Hong Kong.