Soundwill Holdings Limited, an investment holding company, engages in the real estate business in Hong Kong and the People's Republic of China. It operates through Property development, Property leasing, and Building management and other services segments. The company develops medium to high-end commercial and residential, as well as industrial properties; and offers building management, repair and maintenance services to large-scale commercial buildings, and small and medium-sized residential estates. It also invests in and leases commercial, office, and residential buildings, as well as advertising and mini-storage spaces; and provides property assembly and sales services.