List of largest United Kingdom–based law firms by revenue
# List of largest United Kingdom–based law firms by revenue

This is a list of the world's largest United Kingdom–based law firms by revenue in 2021.

| Global rank | Firm | Revenue (US$) | Lawyers | Revenue per lawyer (US$) |
| - | - | - | - | - |
| 9 | Clifford Chance | $2,711,508,000 | 2,585 | $1,049,000 |
| 11 | Allen & Overy | $2,672,969,000 | 2,668 | $1,002,000 |
| 15 | Linklaters | $2,453,846,000 | 2,405 | $1,002,000 |
| 17 | Freshfields Bruckhaus Deringer | $2,341,256,000 | 2,007 | $1,166,000 |
| 20 | CMS (EEIG) | $2,065,838,000 | 4,239 | $487,000 |
| 33 | Herbert Smith Freehills | $1,518,169,000 | 1,958 | $775,000 |
| 34 | Eversheds Sutherland | $1,501,490,005 | 2,527 | $594,000 |
| 57 | Ashurst | $1,098,367,000 | 1,642 | $669,000 |
| 71 | Clyde & Co. | $894,660,000 | 1,844 | $485,000 |
| 72 | Bryan Cave Leighton Paisner | $878,433,000 | 1,252 | $701,000 |
| 78 | Slaughter and May | $758,741,000 | 571 | $1,329,000 |
| 80 | Pinsent Masons | $731,006,000 | 1,723 | $424,000 |
| 92 | Simmons & Simmons | $640,026,000 | 946 | $677,000 |
| 95 | Bird & Bird | $613,324,000 | 1,347 | $455,000 |
| 102 | Taylor Wessing | $578,914,000 | 1,121 | $516,000 |
| 110 | Addleshaw Goddard | $518,903,000 | 1,018 | $510,000 |
| 119 | DWF | $482,015,000 | 692 | $697,000 |
| 121 | Osborne Clarke | $481,481,000 | 1,039 | $463,000 |
| 129 | Fieldfisher | $456,965,000 | 477 | $958,000 |
| 136 | Macfarlanes | $418,035,000 | 389 | $1,076,000 |
| 142 | Kennedys | $391,861,000 | 1,161 | $338,000 |
| 144 | DAC Beachcroft | $385,392,000 | 772 | $499,000 |
| 147 | Irwin Mitchell | $379,611,000 | 799 | $475,000 |
| 150 | Withers | $367,499,000 | 701 | $524,000 |
| 172 | Mishcon de Reya | $317,535,000 | 512 | $620,000 |
| 187 | Stephenson Harwood | $283,538,000 | 497 | $570,000 |
| 191 | HFW | $273,624,000 | 477 | $574,000 |
| 195 | Travers Smith | $268,673,000 | 372 | $722,000 |
| 198 | Watson Farley & Williams | $261,103,000 | 551 | $474,000 |

This list excludes firms with a large presence in the U.K. that structure their operations as a Swiss Verein. This is because these firms structurally differ from the firms listed above, especially when it comes to sharing profits. Some of these firms include DLA Piper, Baker McKenzie, Dentons, Norton Rose Fulbright and Squire Patton Boggs among others.

