GPS Alliance Holdings Limited, together with its subsidiaries, provides real estate agency services in Singapore. It offers property development and investment services. The company also provides interior design and fit-out works, including kitchen and wardrobe cabinetry, and partition work, as well as installation of false ceilings and fire doors. Further, it engages in the wholesale, trading, and retail sale of marble, granite, and quartz slabs. The company was founded in 2010 and is based in Singapore.