United Oil & Gas Plc, together with its subsidiaries, engages in the exploration, development, and production of oil and gas in the United Kingdom, rest of Europe and greater Mediterranean, and Latin America. It holds 26.25% non-operated working interest in the PL090 license that includes Waddock Cross Oil Field located in the onshore southern UK in Dorset; and 100% working interest in the Walton-Morant License, a 22,400 square kilometer offshore exploration block situated in the south of the island of Jamaica. The company was incorporated in 2015 and is headquartered in Dublin, Ireland.