Deep Yellow Limited, together with its subsidiaries, engages in the acquisition, exploration, development, and evaluation of uranium properties in Australia and Namibia. It operates through Tumas Project, Mulga Rock Project, Exploration, and Other Activities segments. The company also explores for iron deposits. Its flagship property is the 95% owned Tumas Project, which covers an area of approximately 125 kilometers located in Namibia. In addition, the company is involved in property investment; and trustee of share trust activities. Deep Yellow Limited was incorporated in 1985 and is headquartered in Subiaco, Australia.