A&O Shearman was formed in 2024 from the merger of two historically significant law firms: Allen & Overy and Shearman & Sterling. With nearly 4,000 lawyers worldwide, it is the only firm with the capacity to advise on English and US law in equal measure, and in the rest of the world's most relevant markets. It is a new type of firm, created to achieve incomparable results for clients in their most sophisticated and multi-jurisdictional matters.
