Cairn Energy Plc engages in the exploration, development, and production of oil and gas properties. It operates through the following segments: Senegal, UK (United Kingdom) & Norway and International. The Senegal segment focuses to have a government-approved exploitation plan. The UK & Norway segment includes exploration activities in the North Sea, Norwegian Sea, and Barents Sea as well as management of the group's producing assets in the UK North Sea. The International segment consists of all other regions where the firm currently holds exploration licenses such as Mexico, Ireland, Western Sahara, and the Mediterranean. The company was founded by William Benjamin Bowring Gammell in 1980 and is headquartered in Edinburgh, the United Kingdom.