Business Description
Metallium Limited is an Australian mining exploration company founded in 2020 and headquartered in Subiaco, Western Australia. The company searches for a range of valuable minerals ? including gold, lithium, nickel, cobalt, and rare earth elements ? across project sites in Western Australia and Québec, Canada. Alongside its exploration work, Metallium also develops technology for recovering metals, giving the business two distinct revenue streams. Previously operating under the name MTM Critical Metals Limited, the company rebranded to Metallium Limited in July 2025.
