Seadrill Limited provides offshore contract drilling services to the oil and gas industry worldwide.

It operates in three segments: Harsh Environment, Floaters, and Jack-ups Rigs. The company owns and operates drill ships, semi-submersible rigs, and jack-up rigs for operations in shallow and ultra-deep-water in benign and harsh environments.

It serves oil super-majors, state-owned national oil companies, and independent oil and gas companies.

Seadrill Limited was formerly known as Seadrill 2021 Limited. The company was incorporated in 2005 and is headquartered in Hamilton, Bermuda.