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2025 Rankings
The definitive ranking of U.S. law firms by attorney headcount — updated for 2025 with over a decade of historical data. Sort by size, partners, or region, search for any firm, and open a detailed profile with year-over-year trends.
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| 2025 | 2024 | |||||||
|---|---|---|---|---|---|---|---|---|
| No. | Law Firm | Base Office | Attorneys | Partners | Attorneys | Change | Region | Profile |
| 17 | K&L Gates | Pittsburgh | 1,732 | 854 | 1,766 | -1.9% | Northeast | |
| 20 | Reed Smith | Pittsburgh | 1,536 | 629 | 1,516 | 1.3% | Northeast | |
| 70 | Cozen O'Connor | Philadelphia | 782 | 407 | 750 | 4.3% | Northeast | |
| 74 | Duane Morris | Philadelphia | 746 | 387 | 736 | 1.3% | Northeast | |
| 97 | Ballard Spahr | Philadelphia | 550 | 220 | 574 | -4.2% | Northeast | |
| 108 | Marshall Dennehey | Philadelphia | 498 | 278 | 504 | -1.2% | Northeast | |
| 118 | Buchanan Ingersoll & Rooney | Pittsburgh | 434 | 177 | 409 | 6.1% | Northeast | |
| 126 | Saul Ewing Arnstein & Lehr | Philadelphia | 390 | 209 | 382 | 2.0% | Northeast | |
| 175 | Eckert Seamans Cherin & Mellott | Pittsburgh | 258 | 173 | 270 | -4.5% | Northeast | |
| 205 | Stradley Ronon Stevens & Young | Philadelphia | 217 | 101 | 213 | 1.9% | Northeast | |
| 217 | Stevens & Lee | King of Prussia | 197 | 110 | 192 | 2.7% | Northeast | |
| 223 | White and Williams | Philadelphia | 191 | 85 | 195 | -1.9% | Northeast | |
| 226 | Cipriani & Werner | Blue Bell | 188 | 113 | 175 | 7.6% | Northeast | |
| 237 | Dickie, McCamey & Chilcote | Pittsburgh | 180 | 125 | 175 | 3.0% | Northeast | |
| 271 | Burns White | Pittsburgh | 152 | 85 | 153 | -0.7% | Northeast | |
| 279 | Post & Schell | Philadelphia | 148 | 90 | 149 | -0.8% | Northeast | |
| 296 | McNees Wallace & Nurick | Harrisburg | 142 | 79 | 155 | -8.3% | Northeast | |
| 312 | Leech Tishman Fuscaldo & Lampl | Pittsburgh | 134 | 86 | 114 | 17.5% | Northeast | |
| 314 | Barley Snyder | Lancaster | 134 | 55 | 133 | 0.8% | Northeast | |
| 338 | Weber Gallagher Simpson Stapleton Fires & Newby | Philadelphia | 121 | 86 | 107 | 12.7% | Northeast | |
| 340 | Obermayer Rebmann Maxwell & Hippel | Philadelphia | 121 | 65 | 116 | 4.6% | Northeast | |
| 345 | Dilworth Paxson | Philadelphia | 119 | 76 | 118 | 1.0% | Northeast | |