A&O Shearman: the global law firm with $500M–$1B in revenue and 5,800 professionals worldwide
A&O Shearman is the only global law firm equally fluent in U.S. law, English law, and the laws of the world's most dynamic markets. Formed on May 1, 2024 through the merger of Allen & Overy (founded 1930) and Shearman & Sterling, it serves clients across M&A, capital markets, banking, litigation, and regulatory matters in every major jurisdiction.
A landmark merger that created a truly global law firm
On May 1, 2024, Allen & Overy — one of the world's leading Magic Circle law firms, founded in London in 1930 — merged with Shearman & Sterling, a premier U.S. law firm with deep roots in international capital markets and M&A. The resulting entity, A&O Shearman, is uniquely positioned as the only global law firm fully fluent in both U.S. law and English law, operating across the most dynamic legal markets worldwide.
With approximately 5,800 professionals, A&O Shearman advises the world's leading financial institutions, corporations, and governments on their most complex legal challenges. Its practice spans banking and finance, M&A transactions, international capital markets, corporate law, dispute resolution, antitrust, private equity, real estate, tax advisory, regulatory compliance, and more.
The firm has embraced legal innovation, integrating artificial intelligence, data privacy strategy, cybersecurity advisory, digital assets, and managed legal services into its offering — reflecting the evolving demands of clients across financial services, energy, infrastructure, technology, and consumer goods sectors.
Core practice areas
5,800 professionalsA&O Shearman's core legal services
The firm's practice covers the full spectrum of legal services required by global financial institutions, corporates, and governments — from financing the world's largest infrastructure projects to advising on landmark M&A transactions and navigating complex regulatory environments.
| Practice Group | Key Services | Client Types |
|---|---|---|
| Banking & Finance | Debt financing, trade finance, project finance, Islamic finance, restructuring | Banks, financial institutions, governments |
| Corporate / M&A | M&A transactions, private equity, corporate governance, joint ventures, outsourcing | Corporates, PE funds, family offices |
| Capital Markets | International capital markets, securities law, investment funds, digital assets, sustainable finance | Banks, asset managers, issuers |
| Dispute Resolution | Litigation, arbitration, white collar defense, investigations, public law | Corporates, governments, financial institutions |
| Regulatory | Financial services regulation, antitrust law, data privacy, cybersecurity, FDI, foreign direct investment | Regulated entities, multinationals |
| Tax & Real Estate | Tax advisory, real estate, environmental law, partnerships, employment & benefits | Corporates, investors, lenders |
Tools and technologies A&O Shearman uses
Based on observed technology signals and public data, A&O Shearman's digital infrastructure spans these platforms and tools:
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Key decision-makers at A&O Shearman
Verified contact data for senior decision-makers across Practice Groups, Business Development, Operations, and Technology at A&O Shearman.
Download the full database of 175M B2B contacts
Every contact for A&O Shearman — and every other company on Earth — in one CSV. Free updates for life.
download Download 175M contacts| Name | Title | Country |
|---|
| Sarah Chen | VP Sales | s.chen@stripe.com | 🇺🇸 US |
| Michael Davidson | Head of Growth | m.d@notion.so | 🇺🇸 US |
| Priya Patel | CMO | priya@figma.com | 🇺🇸 US |
| Lars Eriksen | VP Marketing | lars@spotify.com | 🇸🇪 SE |
| Akira Tanaka | CRO | akira@mercari.com | 🇯🇵 JP |
| Emma Wilson | Head of Sales | emma@monzo.com | 🇬🇧 GB |
| Carlos Vargas | VP Revenue | c.vargas@rappi.com | 🇲🇽 MX |
| Sophie Müller | Director Sales | sophie@n26.com | 🇩🇪 DE |
| James O'Brien | Chief of Staff | james@intercom.com | 🇮🇪 IE |
| Aisha Khan | VP Sales | aisha@razorpay.com | 🇮🇳 IN |
| Sarah Chen | VP Sales | s.chen@stripe.com | 🇺🇸 US |
| Michael Davidson | Head of Growth | m.d@notion.so | 🇺🇸 US |
| Priya Patel | CMO | priya@figma.com | 🇺🇸 US |
| Lars Eriksen | VP Marketing | lars@spotify.com | 🇸🇪 SE |
| Akira Tanaka | CRO | akira@mercari.com | 🇯🇵 JP |
| Emma Wilson | Head of Sales | emma@monzo.com | 🇬🇧 GB |
| Carlos Vargas | VP Revenue | c.vargas@rappi.com | 🇲🇽 MX |
| Sophie Müller | Director Sales | sophie@n26.com | 🇩🇪 DE |
| James O'Brien | Chief of Staff | james@intercom.com | 🇮🇪 IE |
| Aisha Khan | VP Sales | aisha@razorpay.com | 🇮🇳 IN |
Frequently asked questions about A&O Shearman
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