Sierra Rutile Holdings Limited engages in the multi-deposit mineral sands mining operations in Asia, Europe, the United States, Africa, and the Middle East. It produces, refines, and sells rutile, ilmenite, zircon, and other concentrates. The company holds a 100% interest in the Sembehun project located in Moyamba district in Sierra Leone. Its products are used in paints, laminates, plastic pipes and packaging, inks, clothing, sunscreen, toothpaste, and the cosmetic industry, as well as aeronautics, medical implants, defense, and sporting goods applications. The company was incorporated in 2016 and is based in Perth, Australia.