Capricorn Energy PLC, formerly known as Cairn Energy PLC, is a British independent oil and gas exploration, development, and production company based in Edinburgh, Scotland. Founded in 1981, the company has expanded its operations internationally, focusing on regions such as Egypt and the UK North Sea, while also exploring in emerging basins like West Africa and Mexico. It is publicly listed on the London Stock Exchange and is part of the FTSE 250 index.

The company operates a self-funding business model that emphasizes safe and responsible energy production. Its core products include crude oil and natural gas, which are extracted from its diverse international assets. Capricorn Energy balances exploration in high-potential areas with production from established sites to generate steady cash flow, supporting ongoing development and exploration efforts. The company primarily serves downstream oil refiners, traders, and energy companies in the B2B energy supply chain.