Prosper Construction Holdings Limited is an investment holding company that provides marine construction, auxiliary marine-related, and general construction contracting services. It operates in Hong Kong, Mainland China, Indonesia, Kazakhstan, Pakistan, the United Arab Emirates, Ethiopia, and Macao. Its marine construction services include dredging and non-dredging ground treatment, reclamation, pier construction, offshore facilities foundation works, and marine transportation. The company also leases and trades marine vessels, owns specialized equipment such as piling barges, split hopper barges, flat top barges, grab dredgers, derrick lighters, tugboats, and floating jetty barges, and offers construction design, consultation, and vessel trading and repair services. Founded in 1995, it is headquartered in Wan Chai, Hong Kong, and is a subsidiary of Qingdao West Coast Holdings (Internation) Limited.