WINDMILL Group Limited operates as a fire service installation contractor in Hong Kong. It engages in the design, supply, and installation of fire safety systems for buildings under construction or re-development. The company is also involved in the maintenance and repair of fire safety systems for built premises; and administrative services. In addition, it trades in fire service accessories, including branded fire services equipment, as well as engages in the wholesale of health supplement products. The company was incorporated in 2016 and is based in Kowloon Bay, Hong Kong.