Premier1 Lithium Limited engages in mineral exploration in Australia. It explores for lithium, gold, nickel, copper, pegmatite deposits, and other base metals. The company also provides exploration services; consulting and interpretations services; software sales; and maintenance and support services for software. The company was formerly known as SensOre Ltd and changed its name to Premier1 Lithium Limited in February 2024. Premier1 Lithium Limited was incorporated in 2019 and is based in Perth, Australia.