Allen and Overy merge with Shearman and Sterling

Allen and Overy merge with Shearman and Sterling

A&O Shearman have announced the completion of their successful merger integrating to become a global leading firm. The firm consists of almost 4000 lawyers, 800 partners with 47 offices in 29 countries operating across every industry sector and market.

Their combined revenue comes to around $3.15bn.

Iberian Law reports that A&O Shearman are already advising over a third of New York Stock Exchange-listed businesses and a 5th of the NASDAQ on top of many of the world’s leading organisations.

A&O Shearman are now the only firm equally fluent in US Law, English law and laws of the most dynamic markets.


Allen & Overy found that over 99% of the votes casted at each firm were in favour of the merger.


Structure of the firm

  • Areas such as M&A, Litigation & investigations, Debt finance and others will serve clients on global matters guaranteeing collaboration around the world with constant offering across religions.
  • 6 key industry sectors will be operating across practices, products and geographies.
  • Regional offices will be focusing on local go-to-market strategies and collaboration.




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