Superior Gold Inc. engages in the acquisition, exploration, development, and operation of gold resource properties. The company also sells silver. It owns and operates Plutonic gold mine located in Western Australia; and holds a 100% interest in the Hermes open pit project that covers an area of approximately 217 km² located to the southwest of the Plutonic gold mine. The company was formerly known as 2525908 Ontario Inc. and changed its name to Superior Gold Inc. in December 2016. Superior Gold Inc. was incorporated in 2016 and is based in Toronto, Canada. As of June 29, 2023, Superior Gold Inc. operates as a subsidiary of Catalyst Metals Limited.