Introducing A&O Shearman

Ready for anything. Anywhere.

We are the only global law firm equally fluent in U.S. law, English law, and the laws of the world's most dynamic markets.

Our expertise

A&O Shearman is built to achieve unparalleled outcomes for our clients on their most complex multijurisdictional matters.

Our story

A&O Shearman has arrived

A&O Shearman was formed in 2024 via the merger of two historic firms, Allen & Overy and Shearman & Sterling. Our clients benefit from the collective experience of teams who work with many of the world’s most influential organizations and have a history of precedent-setting innovations.

Expertise

Explore our capabilities

Our teams are known for the quality of their legal thinking – and for creating cutting-edge products, services and technologies.

All expertise

Corporate and M&A

We provide market-leading companies, investment funds and financial institutions with top-tier corporate and M&A advice in every jurisidiction.

Disputes

Our lawyers have vast experience litigating, arbitrating, investigating and resolving disputes across the world. We are ready to help, whatever the crisis.

Finance

Our finance team is renowned as one of the strongest and deepest around, with more than 1,000 attorneys located in all the major financial centers.

Capital markets

We set precedents in the capital markets advising on all debt and equity products, from investment-grade and high-yield debt offerings to IPOs.

Advisory and regulatory

Our public company, corporate governance, employment, and regulatory attorneys act as trusted advisors to our clients on their most sensitive issues.

Innovation

We are a pioneer in our industry, committed to continual advancement and finding innovative ways to exceed our clients' expectations.

Find an advisor

We have nearly 4,000 lawyers and consultants globally with outstanding expertise and industry knowledge. Use the filters to find the right one for you.