Meridian Mining Plc, together with its subsidiaries, engages in the acquisition, exploration, and development of mineral properties in Brazil. The company explores manganese, gold, copper, and silver deposits. It's flagship property is the Cabaçal copper-gold project, located in the state of Mato Grosso, Brazil. The company was formerly known as Meridian Mining UK Societas and changed its name to Meridian Mining Plc. Meridian Mining Plc was founded in 2013 and is headquartered in London, United Kingdom.