Yee Hop Holdings Limited, an investment holding company, provides engineering and construction services in Hong Kong, the People's Republic of China, and the Philippines. It operates through Foundation and Other Civil Works; Tunneling Works; and Premises Revitalisation and Enhancement segments. Its foundation works include construction of mini-piles, rock-socketed steel H-piles, and driven steel H piles; as well as civil works, such as site formation works, and road and pavement works; and tunneling works comprise pipe jacking, hand dig tunnel, and cut-and-cover tunnel works. The company provides construction contracting services; logistic services to construction and mining sites; and premises revitalisation and enhancement services; as well as engages in research and development of specialty biochemicals and biomedical products. The company was incorporated in 1989 and is headquartered in Kowloon Bay, Hong Kong.