FSE Lifestyle Services Limited, an investment holding company, provides city essential services in Hong Kong, Mainland China, and Macau. It operates through Property & Facility Management Services; City Essential Services; and Electrical and Mechanical Engineering (E&M) Services segments. The Property & Facility Management services segment offers property management of commercial and residential properties; facility management; and property agency services. Its City Essential Services segment provides cleaning, disinfection, and pest control services; waste disposal, recycling, and environmental disposal services; asset protection and security services; insurance solutions; technical support and maintenance; guarding and event services; and environmental solutions, including environmental and extra low voltage engineering, electric vehicle (EV) infrastructure, and landscaping services, as well as trades in environmental, EV charging, and building materials products. The E&M Services segment provides design and installation services, air-conditioning services, electrical services, fire services, plumbing and drainage services; and engineering and consultancy services on installation. It is also involved in trading securities investments; trading in ceramic tiles, equipment, and materials; provision of mechanical and electrical engineering, chemical and plumbing engineering, project management consultancy, maintenance and fitting out, testing and calibration, referral, insurance and reinsurance brokerage, fleet management, and property repair and maintenance services; and sale and maintenance of alarm systems. The company was formerly known as FSE Services Group Limited and changed its name to FSE Lifestyle Services Limited in April 2021. FSE Services Group Limited was incorporated in 2015 and is headquartered in Kowloon Bay, Hong Kong. FSE Services Group Limited is a subsidiary of FSE Holdings Limited.