Yau Lee Holdings Limited, an investment holding company, engages in the construction business in Hong Kong and internationally. It operates through Construction; Electrical and Mechanical Installation; Building Materials Supply; Property Investment and Development; and Hotel Operations segments. The company is involved in contracting of building construction, plumbing, renovation, maintenance, and fitting-out projects; electrical and mechanical installation; provision of electrical, mechanical, ventilation and air conditioning, fire, and environmental engineering services; and supplying of construction and building materials. It also offers software development; and architectural services.