Capabilities
Uniquely equipped to support global business in a fast-changing world.
News & insights
A spotlight on the forces reshaping global markets.
Authority & trust
Recognised for outcomes, trusted for the way we deliver them.
$1.2T+
Deal value advised
12,000+
Matters handled
98%
Client retention
<2h
Average response time
Awards & directory rankings
Band 1
Corporate and M&A · 2026
Tier 1
Finance · 2026
Winner
Disputes Firm of the Year
Tier 1
Capital Markets · 2025
Band 1
Advisory and Regulatory · 2025
Elite
Cross-border Practice · 2026
What clients say
“They handle our most sensitive cross-border mandates with a rare combination of commercial instinct and absolute discipline.”
General Counsel
Global Investment Bank
“Every matter is coordinated, attributed and reviewed — we always know exactly where a deal stands. That clarity is priceless.”
Chief Legal Officer
Fortune 100 Energy Group
“Market-leading expertise delivered with the responsiveness of a boutique. They set the standard for how counsel should operate.”
Head of Legal
Sovereign Wealth Fund
Security & compliance controls
Access-controlled records
Every matter behind enforced permissions
Encryption in transit
Data protected on every connection
Role-based permissions
Least-privilege access by design
Full audit trail
Every action attributed and logged
About us
A single, disciplined standard — on every matter, in every market.
Formed in 2024 through the merger of Allen & Overy and Shearman & Sterling, we bring together deep local knowledge and genuine global reach. Matters, assignments, compliance and review are coordinated under one access-controlled record — every action attributed, every permission enforced. It is how a firm of our scale keeps its work precise.
~4,000
Lawyers worldwide
2024
A&O + Shearman merger
1,000+
Finance lawyers
Top-tier
Ranked across practices