Castillo Copper Limited is an Australian-based copper-focused exploration company primarily engaged in the exploration and development of copper and associated metals. The company's core assets include copper projects located across Australia and Zambia, with principal projects being the NWQ Copper Project in Queensland, the Broken Hill Project in New South Wales, and copper projects in Zambia. Castillo Copper's product portfolio encompasses copper exploration and development; cobalt, zinc, nickel, and cobalt exploration activities feature alongside copper. The company focuses on identifying, evaluating, and advancing mineral assets rich in copper, cobalt, uranium, niobium, and rare earth elements.
Founded with headquarters in Australia, Castillo Copper operates across multiple geographic regions, including eastern Australia and the southern African copper belt. Its business segments cover the mineral exploration industry, targeting mid-tier development in copper and critical mineral resources.
Recent significant changes include the strategic acquisition in October 2024 of an 85% interest in the Harts Range Niobium, Uranium, and Heavy Rare Earths Project in Northern Territory, Australia, through an earn-in arrangement with Audax Holdings. This acquisition expands Castillo Copper's portfolio beyond copper into critical minerals with high market demand. In addition, the company entered a conditional all-scrip agreement to sell the Cangai Copper Mine tenements in New South Wales to Infinity Mining, representing a strategic divestment of non-core assets. Castillo Copper continues to pursue partnerships and potential joint ventures for project development, such as advancing the NWQ Copper Project with potential development partners while divesting some legacy tenements at Broken Hill and Mkushi in Zambia. The company also recently rebranded to New Frontier Minerals, aligning with its expanded focus on critical minerals beyond copper.