Established in 2000 and headquartered in West Perth, Australia, Greenstone Resources Limited (formerly Barra Resources Limited until October 2021) is a mining exploration and development company active across Western Australia. The company primarily targets deposits of gold, nickel, cobalt, and manganese. Its portfolio includes a 100% ownership in two gold ventures: the Burbanks project, situated southeast of Coolgardie, and the Phillips Find project, located north-northwest of the same region.