Thelloy Development Group Limited, an investment holding company, provides property construction services primarily in Hong Kong. The company offers building construction services; repair, maintenance, alteration, and addition work services; and design and build services, as well as invests in properties. It serves government, quasi-government organizations, universities, schools, institutions, and incorporated owners of private buildings. The company was incorporated in 2015 and is headquartered in Lai Chi Kok, Hong Kong.
