CR Construction Group Holdings Limited, an investment holding company, operates as a building contractor in Hong Kong, Mainland China, Malaysia, and the United Kingdom. It operates through two segments, Construction Operations and Environmental Operations. The company provides building construction services for residential, commercial, and industrial buildings; and repair, maintenance, addition, and alteration work, such as general upkeep, maintenance, improvement, refurbishment, alteration, and addition of existing facilities and components of buildings and their surroundings, as well as structural and engineering works comprising building, piling, demolition, site formation, and electrical and mechanical works. It also engages in construction, rehabilitation, and operation of sewage and reclaimed water treatment service; and provision of environmental improvement related construction services and water distribution services. The company serves public and private sectors. The company was founded in 1967 and is headquartered in Kwun Tong, Hong Kong. CR Construction Group Holdings Limited is a subsidiary of CR Construction Investments Limited.