Analogue Holdings Ltd. engages in the provision of electrical and mechanical engineering services. It operates through the following segments: Building Services, Environmental Engineering, Information, Communication, and Building Technology (ICBT); and Lift and Escalators. The Building Services segment provides design, installation, testing and commissioning, and maintenance of heating, ventilation, and air conditioning system, fire service system, plumbing and drainage system, and electrical and extra low voltage system. The Environmental Engineering segment offers solutions for the design, construction, operation, and maintenance of environmental engineering systems for treatment of sewage, water, solid waste, sludge, and gas. The ICBT segment includes solutions for the design, hardware and software development, installation, and maintenance of infrastructure communications and security and access systems. The Lift and Escalators segment consists of the design, supply, installation, repair, and maintenance services for lifts and escalators. The company was founded by Lok To Poon on October 7, 1977 and is headquartered in Hong Kong.