G & M Holdings Limited is an investment holding company that provides design and build, and repair and maintenance services for podium facade and curtain wall works in Hong Kong and the People's Republic of China. It also designs aluminum and glass curtain walls and aluminum claddings, and invests in the mining business. Founded in 1993, the company is headquartered in Kwai Chung, Hong Kong, and is a subsidiary of Luxury Booming Limited.