Firm Index · Practice × market
Top International & Cross-Border firms in London
The firms combining the deepest international & cross-border footprint with a presence in London, ranked by the Sartori Firm Index.
International & Cross-Border firms in London
These law firms pair a strong public International & Cross-Border footprint with a recorded presence in London, ranked by the Sartori Firm Index — a 0–100 measure of scale, reach and hiring built from public data. The ranking reflects public footprint and momentum, not the quality of any firm's international & cross-border work in London.
| # | Firm | Index | Tier | Attorneys mapped | Markets |
|---|---|---|---|---|---|
| 1 | White & Case | 64.7 | Global | 2,500–4,000 | New York, London, Paris… |
| 2 | Freshfields | 62 | Global | 2,500–4,000 | London, New York, Frankfurt… |
| 3 | Covington & Burling | 61.5 | Global | 1,500–2,500 | Washington, New York, London… |
| 4 | Akin | 57.6 | Global | 1,000–1,500 | New York, Washington, London… |
| 5 | Debevoise & Plimpton | 55.8 | Global | 1,000–1,500 | New York, London, Washington… |
| 6 | Squire Patton Boggs | 55.6 | Global | 1,500–2,500 | London, Washington, Los Angeles… |
| 7 | HFW | 51.9 | Global | 500–1,000 | London, Hong Kong, Paris… |
| 8 | King & Spalding | 50.4 | Global | 1,500–2,500 | Atlanta, New York, Washington… |
| 9 | Quinn Emanuel | 50.1 | Global | 1,000–1,500 | New York, Los Angeles, London… |
| 10 | Pillsbury | 48.2 | Global | 500–1,000 | Washington, New York, San Francisco… |
| 11 | WilmerHale | 47.2 | International | 1,000–1,500 | Washington, Boston, New York… |
| 12 | Nishimura & Asahi | 45.8 | Global | 1,000–1,500 | Tokyo, Bangkok, Singapore… |
| 13 | Arnold & Porter | 45.7 | Global | 1,000–1,500 | Washington, New York, San Francisco… |
| 14 | Crowell & Moring | 44.9 | Global | 500–1,000 | Washington, New York, Los Angeles… |
| 15 | TMI Associates | 44.5 | Global | 500–1,000 | Tokyo, Bangkok, Singapore… |
| 16 | Curtis Mallet-Prevost | 41 | Global | 100–250 | New York, London, Milan… |
| 17 | Steptoe | 41 | Global | 500–1,000 | Washington, New York, Los Angeles… |
| 18 | Nagashima Ohno & Tsunematsu | 39.7 | Global | 500–1,000 | Tokyo, Singapore, New York… |
| 19 | Boies Schiller Flexner | 38.7 | International | 250–500 | New York, Miami, Washington… |
| 20 | Kobre & Kim | 37.4 | Global | 250–500 | New York, London, Washington… |
| 21 | Stewarts | 36.6 | National | 250–500 | London, Leeds |
| 22 | Meysan | 23.2 | Global | 50–100 | Kuwait City, Cairo, Dubai… |
Index measures public footprint and momentum, not quality or prestige. Methodology. Spot an error? Tell us.
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