A&O Shearman was formed in 2024 via the merger of two historic firms, Allen & Overy and Shearman & Sterling. With nearly 4,000 lawyers globally, we are equally fluent in English law, U.S. law and the laws of the world’s most dynamic markets.
This combination creates a new kind of law firm, one built to achieve unparalleled outcomes for our clients on their most complex, multijurisdictional matters – everywhere in the world. A firm that advises at the forefront of the forces changing the current of global business and that is unrivalled in its global strength.
Our clients benefit from the collective experience of teams who work with many of the world’s most influential companies and institutions, and have a history of precedent-setting innovations.
Together our lawyers advise more than a third of NYSE-listed businesses, a fifth of the NASDAQ and a notable proportion of the London Stock Exchange, the Euronext, Euronext Paris and the Tokyo and Hong Kong Stock Exchanges.
Shearman & Sterling Private Equity partner Sarah McLean and M&A partner Clare O’Brien have been named as Top Women in Dealmaking 2023 by The Deal.
United States
Shearman & Sterling Private Equity partner Sarah McLean and
M&A partner Clare O'Brien have been named as Top Women in
Dealmaking 2023 by The Deal.
The Deal honors exemplary women in the legal
profession. To be eligible for the Top Women in Dealmaking list,
lawyers must be partners based in the U.S. and have shown the
ability to navigate complex transactions over the past 12 months
while maintaining strong client relationships and leading in and
out of the boardroom.
Sarah McLean leads the firm's Private Equity group and
advises energy-focused private equity funds and management teams on
acquisitions and divestitures of assets and companies as well as
joint ventures.
Clare O'Brien regularly counsels major U.S. and
international clients on public and private mergers and acquisition
transactions, including public company restructurings, joint
ventures and large public transactions.
A&O Shearman was formed in 2024 via the merger of two historic firms, Allen & Overy and Shearman & Sterling. With nearly 4,000 lawyers globally, we are equally fluent in English law, U.S. law and the laws of the world’s most dynamic markets.
This combination creates a new kind of law firm, one built to achieve unparalleled outcomes for our clients on their most complex, multijurisdictional matters – everywhere in the world. A firm that advises at the forefront of the forces changing the current of global business and that is unrivalled in its global strength.
Our clients benefit from the collective experience of teams who work with many of the world’s most influential companies and institutions, and have a history of precedent-setting innovations.
Together our lawyers advise more than a third of NYSE-listed businesses, a fifth of the NASDAQ and a notable proportion of the London Stock Exchange, the Euronext, Euronext Paris and the Tokyo and Hong Kong Stock Exchanges.
