Caspian Sunrise Plc engages in the exploration and production of crude oil. The firm also owns and operates the Caspian Explorer, a drilling vessel designed for operation in the shallow northern Caspian Sea. It operates through the following segments: Oil and Gas Assets, Drilling Services CTS, Drilling Services by Caspian Explorer, Oil Trading, and Corporate Allocation. The company was founded in October 2006 and is headquartered in London, the United Kingdom.