IRIS Metals Limited engages in the exploration and evaluation of mining and exploration tenements in the United States and Australia. The company explores for lithium, diamond, pegmatite, rubidium, and spodumene deposits. Its flagship project is the Beecher Lithium-Rubidium project located in the Black Hills of South Dakota, the United States. The company was incorporated in 2020 and is based in South Yarra, Australia.