Valaris Ltd. engages in the provision of offshore contract drilling services to the international oil and gas industry. It operates through the following segments: Floaters, Jackups, ARO, and Other. The Floaters segment includes drillships and semisubmersible rigs. The Jackups segment includes its jackup rigs, which generally operate in water depths of 400 feet or less. The ARO segment focuses on the full operations of ARO, which operates jackup drilling rigs in Saudi Arabia for Saudi Aramco. The Other segment is involved in management services on rigs owned by third parties and the activities associated with arrangements with ARO under the bareboat charter arrangements. The company was founded in 1975 and is headquartered in Hamilton, Bermuda.