A&O Shearman recognized with 128 rankings in Chambers USA 2026, including ten new practice and individual rankings

Chambers and Partners annually conducts extensive research and analysis - drawing on feedback from thousands of clients and peers worldwide - to compile an independent and objective list of the top legal talent. Ranked firms and individuals demonstrate technical legal ability, professional conduct, client service, commercial astuteness, diligence and commitment. 

Clients noted that A&O Shearman's “international footprint allows for better execution of cross-border deals”, and its “ability to coordinate across jurisdictions and disciplines reflects a mature, well-resourced transactional practice”. The firm was also deemed “unique in its combination of legal expertise, industry knowledge, attention to client service" with “an efficient team of highly polished, brilliant and creative attorneys who are expert and experienced in all phases of litigation.” Clients added that A&O Shearman’s “attorneys are relentless, well respected by opponents and judges alike and do great things for their clients. The firm is near perfect.” 

“Congratulations to our teams for these recognitions, which underscore the quality and consistency of the client service we provide across our U.S. practices and the value we bring to clients navigating complex transactions and high-stakes disputes,” said Adam Hakki, co-chair of the firm’s global Executive Committee and Board and U.S. chair. 

A&O Shearman was highly ranked in the following practice group categories:

USA Nationwide: Artificial Intelligence

USA Nationwide: Banking and Finance

USA Nationwide: Capital Markets: Equity: Manager Counsel

USA Nationwide: Capital Markets: High-Yield Debt

USA Nationwide: Capital Markets: Investment Grade Debt: Issuer Counsel

USA Nationwide: Capital Markets: Investment Grade Debt: Manager Counsel

USA Nationwide: Corporate Crime and Investigations: Highly Regarded

USA Nationwide: Corporate/M&A: The Elite

USA Nationwide: Derivatives

USA Nationwide: Employee Benefits and Executive Compensation

USA Nationwide: Energy Transition

USA Nationwide: Environment: Mainly Transactional

USA Nationwide: Financial Services Regulation: Banking (Compliance)

USA Nationwide: Financial Services Regulation: Banking (Enforcement and Investigations)

USA Nationwide: Financial Services Regulation: Broker Dealer (Compliance and Enforcement)

USA Nationwide: Litigation: General Commercial: Highly Regarded

USA Nationwide: Mining and Metals

USA Nationwide: Projects: Agency Financing

USA Nationwide: Projects: Mining and Metals

USA Nationwide: Projects: Power and Renewables: Transactional

USA Nationwide: Projects: PPP

USA Nationwide: Projects: Renewables and Alternative Energy

USA Nationwide: Securities: Litigation

USA Nationwide: Tax: Corporate and Finance

California: San Francisco, Silicon Valley: Corporate/M&A: The Elite

California: Technology

New York: Antitrust

New York: Banking and Finance

New York: Bankruptcy/Restructuring: Highly Regarded

New York: Corporate/M&A: The Elite 

New York: Employee Benefits and Executive Compensation

New York: Environment: Mainly Transactional

New York: Intellectual Property: Patent

New York: Litigation: General Commercial: Highly Regarded 

New York: Litigation: Securities

New York: Litigation: White-Collar Crime and Government Investigations: The Elite

New York: Real Estate: Mainly Corporate and Finance

New York: Tax 

Texas: Bankruptcy/Restructuring

Texas: Capital Markets: Debt and Equity

Texas: Corporate/ M&A: The Elite 

Texas: Litigation: Securities 

Texas: Technology: Corporate and Commercial

Texas: Austin and Surrounds: Litigation: General Commercial

Washington, D.C.: Antitrust

Washington, D.C.: Litigation: General Commercial: Highly Regarded

Washington, D.C.: Litigation: White-Collar Crime and Government Investigations

The 70 lawyers who received 81 individual rankings include:

Adam B. Schwartz, Adam S. Hakki, Alain A. Dermarkar, Alex Touma, Alexis Potter, Andrew Tannenbaum, Anna Rudawski, Azam Aziz, Augusto Ruiloba, Bill Nelson, Brian Jebb, C. Luckey McDowell, Catherine Hein, Chris Ryan, Clare O'Brien, Creighton Condon, Cynthia Urda Kassis, Daniel Gold, Daniel Lewis, Daniel R. Mitz, Daren M. Orzechowski, David Whittlesey, Donna Parisi, Doreen Lilienfeld, Elaine Hughes, Elaine Johnston, Emily Westridge Black, Felise Cooper, Fredric Sosnick, Geoffrey B. Goldman, Hilary Sunghee Seo, James Bryson, Jason Pratt, Jean Lee, Jillian Ashley, John (Sean) Finley, John J. Cannon, John Nathanson, Julian Moore, Katherine Stoller, Ken Rivlin, Kent Rowey, Kyle Park, Lena Kiely, Lisa Brill, Lona Nallengara, Lorenz Haselberger, Lyle Roberts, Mallory Tosch Hoggatt, Maria Christopher Bell, Mark Lanpher, Maura O'Sullivan, Michael K. Chernick, Paul Astolfi, Paul Epstein, R Jake Mincemoyer, Rachel Mossman Zieminski, Robert J. Cardone, Ryan Bray, Sami Mir, Samuel W. Cooper, Saul Perloff, Scott Petepiece, Stephen Fishbein, Taylor Landry, Thad Behrens, Thomas M. Majewski, Thomas Makin, Todd Koretzky, Todd Stenerson.

View all A&O Shearman’s Chambers USA 2026 rankings here.