Winson Hong Kong Limited 

Winson Holdings Hong Kong Limited, an investment holding company, operates in Hong Kong, providing a diverse range of environmental sanitation and related services, in addition to support for airline catering operations. Its environmental division offers extensive solutions, including routine public area and office cleaning, alongside general waste management. More specialized services feature external facade and window cleaning, marble surface restoration, intensive disinfection, and comprehensive pest control. These offerings cater to a broad spectrum of clients, such as residential, commercial, and retail developments, public utilities, transportation systems, and governmental bodies. The company further provides waste collection, transit, and disposal services; mist disinfection; automated robotic cleaning; and integrated pest management, encompassing indoor pest control and rodent deterrence for government entities, educational institutions, public utilities, transport operators, and various private sector properties. For the aviation industry, Winson Holdings delivers essential support to airline catering operators, covering meal plating, tray assembly, packaging, and the internal logistical oversight of equipment. The firm also engages in real estate asset management. Established in 1983, its headquarters are situated in Tsuen Wan, Hong Kong, and it functions as a subsidiary of Sze's Holdings Limited.