Firm Index · Practice × market
Top Corporate & M&A firms in St. Louis
The firms combining the deepest corporate & M&A footprint with a presence in St. Louis, ranked by the Sartori Firm Index.
Corporate & M&A firms in St. Louis
These law firms pair a strong public Corporate & M&A footprint with a recorded presence in St. Louis, 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 corporate & M&A work in St. Louis.
| # | Firm | Index | Tier | Attorneys mapped | Markets |
|---|---|---|---|---|---|
| 1 | Bryan Cave Leighton Paisner | 60.6 | Global | 1,000–1,500 | London, St. Louis, New York… |
| 2 | Spencer Fane | 55.7 | National | 500–1,000 | Kansas City, Denver, Houston… |
| 3 | Husch Blackwell | 53.2 | National | 1,000–1,500 | St. Louis, Kansas City, Washington… |
| 4 | Thompson Coburn | 51.9 | National | 500–1,000 | St. Louis, Chicago, New York… |
| 5 | Stinson | 50.3 | National | 500–1,000 | Kansas City, Minneapolis, St. Louis… |
| 6 | Quarles | 50.2 | National | 500–1,000 | Milwaukee, Chicago, Phoenix… |
| 7 | Polsinelli | 47.6 | National | 1,000–1,500 | Kansas City, Chicago, St. Louis… |
| 8 | Lathrop GPM | 45.6 | National | 250–500 | Kansas City, Minneapolis, San Francisco… |
| 9 | Amundsen Davis | 45 | National | 250–500 | Chicago, Milwaukee, Indianapolis… |
| 10 | Chartwell Law | 42.2 | National | 250–500 | New York, Philadelphia, Miami… |
| 11 | Armstrong Teasdale | 40.5 | National | 250–500 | St. Louis, Chicago, Kansas City… |
| 12 | UB Greensfelder | 39.8 | National | 250–500 | St. Louis, Cleveland, Cincinnati… |
| 13 | Tucker Ellis | 39.4 | National | 250–500 | Cleveland, Los Angeles, Chicago… |
| 14 | Sandberg Phoenix | 38.7 | National | 250–500 | St. Louis, Kansas City, Sarasota… |
| 15 | Hinckley Allen & Snyder | 36.5 | National | 100–250 | Boston, Providence, Hartford… |
| 16 | Manning Gross + Massenburg | 36.3 | National | 250–500 | Boston, San Francisco, Los Angeles… |
| 17 | Hall Render Killian Heath & Lyman | 35.6 | National | 100–250 | Indianapolis, Milwaukee, Denver… |
| 18 | Lewis Rice | 34.7 | National | 100–250 | St. Louis, Kansas City |
| 19 | Heyl Royster Voelker & Allen | 33.4 | National | 100–250 | Peoria, St. Louis, Champaign… |
| 20 | Hawkins Parnell & Young | 33 | National | 100–250 | Atlanta, Los Angeles, San Francisco… |
| 21 | Galloway Johnson Tompkins Burr & Smith | 31.9 | National | 100–250 | New Orleans, Houston, Lafayette… |
| 22 | Swanson, Martin & Bell | 30.6 | National | 100–250 | Chicago, St. Louis, Kansas City |
| 23 | Scopelitis Garvin Light Hanson & Feary | 26.4 | National | 100–250 | Indianapolis, Chicago, Milwaukee… |
Index measures public footprint and momentum, not quality or prestige. Methodology. Spot an error? Tell us.
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Corporate & M&A rankings in other markets (166)
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