Union Jack Oil plc operates as an onshore oil and gas company in the United Kingdom. The company focuses on production, drilling, development, and investment in hydrocarbon projects. It holds interests in the West Newton, Wressle Discovery, Broughton North, Biscathorpe, Keddington Oilfield Louth, North Somercotes, Louth Extension, Fiskerton Airfield Oilfield, North Kelsey, Dukes Wood, Kirklington, Widmerpool Gulf, Humber Basin, and Laughton projects. The company was incorporated in 2011 and is based in Bath, the United Kingdom.