Hephaestus Holdings Limited is an investment holding company that provides interior design and execution services in Hong Kong, Thailand, Macau, and Mainland China. Its services cater to private residences, corporate offices, service apartments, hotels, residential clubhouses, show flats, and sales galleries. The company also offers colour-rendering, property investment, construction engineering, and handling services. Formerly Union Asia Enterprise Holdings Limited, it changed its name to Hephaestus Holdings Limited in September 2021. Incorporated in 2001, it is based in Causeway Bay, Hong Kong, and is a subsidiary of Hong Kong Jun Tai Ting Investment Company Limited.