ISP Holdings Limited, an investment holding company, engages in property and facility management, and interior and special project businesses in the People's Republic of China, Hong Kong, and Macau. The company provides asset management services, such as feasibility studies, due diligence, market positioning, design consultancy, marketing and promotion, financial analysis, leasing, tenancy management, and operation management services. It also offers interior design, fitting-out, renovation, demolition, addition and alteration works, and special construction works, as well as curtain walling, cladding, and related products. In addition, the company provides procurement, supply chain, and trading services, repair and maintenance of sophisticated equipment, indoor cleaning services, property agency services, and property management consultancy services. The company was formerly known as Synergis Holdings Limited and changed its name to ISP Holdings Limited in January 2022. ISP Holdings Limited was founded in 1978 and is based in Kwun Tong, Hong Kong. Address: Hay Nien Building, Kwun Tong, Hong Kong