Kwan On Holdings Limited is an investment holding company engaged in civil engineering and building construction and maintenance contracts across Cambodia, mainland China, Hong Kong, and Malaysia. It operates through Construction, Property Development, and Trading segments, undertaking buildings, waterworks, site formation, roads, drainage and slope upgrading, and civil plumbing contracting. The company also holds properties, trades chemical and construction materials, and develops and sells commercial and residential buildings and car parking spaces. Founded in 1975 and headquartered in Central and Western, Hong Kong, it is a subsidiary of Sino Coronet Group Limited.