Gold Mountain Limited engages in the acquisition, exploration, and development of mineral properties in Australia and Brazil. The company explores for gold, lithium, copper, niobium, rare earth elements, molybdenum, and other precious and base metal deposits. Its flagship property is the Down Under Rare Earths Project located in Jequié Region, Brazil. The company was formerly known as Commissioners Gold Limited and changed its name to Gold Mountain Limited in December 2014. Gold Mountain Limited was incorporated in 2005 and is based in Cottesloe, Australia.