Palladium One Mining Inc. explores for and develops mineral resource properties. The company primarily explores for palladium, platinum, gold, copper, cobalt, and nickel. The company holds a 100% interest in its flagship property, the Lantinen Koillismaa project comprising an area of approximately 12,416 hectares located in north-central Finland. It also holds 100% interests in the Kostonjarvi property covering an area of approximately 20,000-hectare situated in central Finland; and Disraeli property covering an area of approximately 2,500 hectares located near Thunder Bay, Ontario, as well as Tyko property comprising an area of approximately 10,320 hectares located in Ontario, Canada. The company was formerly known as Nickel One Resources Inc. and changed its name to Palladium One Mining Inc. in May 2019. Palladium One Mining Inc. was incorporated in 2007 and is headquartered in Vancouver, Canada.