Rio Tinto Group is a multinational mining and metals company based in London, United Kingdom. The company operates in over 35 countries and has a workforce of more than 47,000 employees. Rio Tinto is primarily involved in the exploration, production, and processing of minerals such as iron ore, aluminium, copper, diamonds, gold, and uranium. The company was founded in 1873 and has since grown to become one of the largest mining companies in the world. Rio Tinto is committed to sustainable mining practices and has set ambitious targets to reduce its environmental impact.