Wah Wo Holdings Group Limited, an investment holding company, engages in the provision of aluminium works and related services in Hong Kong. It operates through Construction and Ancillary Services, and Rental of Investment Properties segments. The company offers façade works, including windows, window wall systems, curtain wall systems, and other façade members. It also provides design and build, and renovation services for various types of buildings, including residential apartments, commercial buildings, retail premises, universities, and hotels.