AB Builders Group Limited, an investment holding company, engages in the provision of construction services in Macau, the People's Republic of China, and Hong Kong. It operates through Fitting-Out Works, Structural Works, and Air Purification Business segments. The company provides substructure and superstructure works, such as foundation works, basement works, piling, and pile cap works. It also offers building construction and engineering services in Hong Kong. In addition, the company sells air purification unit/systems, as well as offers management services. It serves hotel and casino owners, property developers, and government, as well as the main contractors of various types of construction works. The company was founded in 1998 and is headquartered in Macau.