Winson Holdings Hong Kong Ltd. engages in provision of environmental hygiene and related services and airline catering support services. It operates through the Environmental Hygiene and Related Services and Airline Catering Support Services segments. The Environmental Hygiene and Related Services segment offers building and all kinds of properties and furniture cleaning. The Airline Catering Support Services segment focuses on airline catering support services at flight kitchens of airline catering operators. The company was founded by Wai Chun Sze and Sing Mui Ng on May 31, 2016 and is headquartered in Hong Kong.