About the company

Quantum Helium Limited, together with its subsidiaries, engages in the exploration, development, and production of oil and gas properties in Australia and the United States. It primarily explores helium, hydrogen, and hydrocarbons. The company was formerly known as Mosman Oil and Gas Limited and changed its name to Quantum Helium Limited in November 2025. Quantum Helium Limited was incorporated in 2011 and is based in Sydney, Australia.