A&O Shearman is the result of the merger of Allen & Overy and Shearman & Sterling.

A&O Shearman is the first fully integrated global law firm of its kind, with approximately 7,000 employees, including nearly 4,000 lawyers, including 800 partners, in 47 offices in 29 countries.A&O Shearman's depth of experience and diversity of talent means that we will always stay abreast of, and remain at the forefront of, changes in industries, markets and jurisdictions around the world. We are equally at home practicing English law, U.S. law, and other major markets around the world, ensuring that A&O Shearman is able to bring together global strengths, excellence, and local expertise to serve our clients with a broad range of experience and expertise.

A&O Shearman's broad client base includes more than one-third of the companies listed on the New York Stock Exchange, one-fifth of the companies listed on the NASDAQ, and many companies listed on the Stock Exchange of Hong Kong, the London Stock Exchange, Euronext, Euronext Paris and the Tokyo Stock Exchange.

It is widely recognized for its expertise in finance, complex cross-border mergers and acquisitions, capital markets and litigation. With over 200 partners in London, the firm advises leading national and international corporations, financial institutions, investment funds, government agencies and private clients. In addition, the firm has a team in Belfast, Northern Ireland, which provides business services and legal project management, utilizing advanced legal technology to increase efficiency and innovation.