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Practice × location ranking

Best Mergers & Acquisitions law firms in United States

Grouped into editorial tiers — words, never scores. No paid placement and no numeric rank; within a tier the order rotates monthly and carries no meaning.

Last verified 22 Jul 2026 · Next review by 22 Aug 2026 · Change log

Direct answer & research summary

Best Mergers & Acquisitions law firms in United States are tiered by Sartori & Partners from public footprint as of July 2026, not from a numeric score: 25 firms sit on this board. Sartori & Partners has completed 400+ placements since 2017 (230+ in-house), including 52 general counsel and chief legal officer searches, with a median of 11 weeks from brief to accepted offer. A NASDAQ-listed medtech in Boston accepted its successor general counsel in week 11, from a shortlist of four at day 24.

01 — The ranking

The United States Mergers & Acquisitions board

Sartori's view of the best Mergers & Acquisitions law firms in United States groups 25 firms by relative Mergers & Acquisitions market position spanning major commercial hubs, technology and energy corridors, and secondary deal markets nationwide. Tiers are plain-language labels only — never scores — and within-tier sequence rotates without implying rank.

UNITED STATES × MERGERS & ACQUISITIONS25 FIRMS · NO SCORESREV. 2026-07
REFFIRMUNITED STATES MERGERS & ACQUISITIONS BANDSIGNAL
TIER 1 — MARKET LEADERS9 FIRMS

This band holds the firms whose Mergers & Acquisitions presence defines the United States standard across major commercial and financial hubs. Labels are editorial words, not scores; monthly order inside the tier carries no meaning.

T1·01 Simpson Thacher & Bartlett200–349 attorneys mapped · major local depth 200–349 ATTORNEYS FLAT → EVID ↓
T1·02 DLA Piper350+ attorneys mapped · major local depth 350+ ATTORNEYS FLAT → EVID ↓
T1·03 Gibson Dunn & Crutcher200–349 attorneys mapped · major local depth 200–349 ATTORNEYS FLAT → EVID ↓
T1·04 Goodwin Procter350+ attorneys mapped · major local depth 350+ ATTORNEYS FLAT → EVID ↓
T1·05 Greenberg Traurig350+ attorneys mapped · major local depth 350+ ATTORNEYS FLAT → EVID ↓
T1·06 Holland & Knight350+ attorneys mapped · major local depth 350+ ATTORNEYS FLAT → EVID ↓
T1·07 Kirkland & Ellis350+ attorneys mapped · major local depth 350+ ATTORNEYS FLAT → EVID ↓
T1·08 Latham & Watkins350+ attorneys mapped · major local depth 350+ ATTORNEYS FLAT → EVID ↓
T1·09 Sidley Austin350+ attorneys mapped · major local depth 350+ ATTORNEYS FLAT → EVID ↓
TIER 2 — HIGHLY ACTIVE15 FIRMS

Highly active firms show sustained Mergers & Acquisitions mandate flow and visible deal-side bench strength in United States, just below the market-leader band. Order inside the tier is non-hierarchical.

T2·01 Jones Day100–199 attorneys mapped · major local depth 100–199 ATTORNEYS FLAT → EVID ↓
T2·02 K&L Gates100–199 attorneys mapped · major local depth 100–199 ATTORNEYS FLAT → EVID ↓
T2·03 Morgan Lewis200–349 attorneys mapped · major local depth 200–349 ATTORNEYS FLAT → EVID ↓
T2·04 Ropes & Gray200–349 attorneys mapped · major local depth 200–349 ATTORNEYS FLAT → EVID ↓
T2·05 Sheppard Mullin100–199 attorneys mapped · major local depth 100–199 ATTORNEYS FLAT → EVID ↓
T2·06 Skadden Arps100–199 attorneys mapped · major local depth 100–199 ATTORNEYS FLAT → EVID ↓
T2·07 Taft Stettinius & Hollister200–349 attorneys mapped · major local depth 200–349 ATTORNEYS FLAT → EVID ↓
T2·08 Troutman Pepper200–349 attorneys mapped · major local depth 200–349 ATTORNEYS FLAT → EVID ↓
T2·09 Wilson Sonsini Goodrich & Rosati200–349 attorneys mapped · major local depth 200–349 ATTORNEYS FLAT → EVID ↓
T2·10 Winston & Strawn100–199 attorneys mapped · major local depth 100–199 ATTORNEYS FLAT → EVID ↓
T2·11 Akin Gump100–199 attorneys mapped · major local depth 100–199 ATTORNEYS FLAT → EVID ↓
T2·12 Baker McKenzie100–199 attorneys mapped · major local depth 100–199 ATTORNEYS FLAT → EVID ↓
T2·13 Blank Rome200–349 attorneys mapped · major local depth 200–349 ATTORNEYS FLAT → EVID ↓
T2·14 Cooley Godward350+ attorneys mapped · major local depth 350+ ATTORNEYS FLAT → EVID ↓
T2·15 Foley & Lardner100–199 attorneys mapped · major local depth 100–199 ATTORNEYS FLAT → EVID ↓
TIER 3 — ESTABLISHED1 FIRMS

Firms in this tier are part of the core United States Mergers & Acquisitions map — known, staffed and active on corporate transactions — with relative standing expressed only in plain language.

T3·01 Weil Gotshal & Manges200–349 attorneys mapped · major local depth 200–349 ATTORNEYS FLAT → EVID ↓

All counts are shown as bands, never precise headcounts. Notable firms sit outside the tiers by design: verified minimal presence, not assessed at full tier depth.

Hiring in United States?

We map this market every day.

The evidence behind these tiers is the same intelligence we use to run retained searches for partners, groups and senior associates.

02 — Evidence, methodology & sources why each firm · how tiers are set · sources · change log · verified 22 Jul 2026 · next review 22 Aug 2026

Firm evidence

Tier 1 — Market leaders Open firm profile →

Simpson Thacher & Bartlett

Simpson Thacher & Bartlett is placed in market leaders for Mergers & Acquisitions in United States. Public mapping (banded): 200–349 attorneys, major local depth, ≈150 partners · 30 counsel · 100+ associates. Evidence gates — office (G1) PASS, local practice (G2) PASS, recent signal (G3) PASS. The placement carries no numeric score.

Strongest mapped work

Corporate & M&AFinance & BankingLitigation & Disputes

Public hiring signal

Hiring signal: FLAT — no public hiring change detected in the mapping window.

Limits of this assessment

  • —A tier is Sartori’s editorial opinion, not a fact about the firm or a client-satisfaction measure.
  • —Facts are mapped from public sources and shown as bands; they lag reality by weeks or months.
  • —No third-party legal-directory band is used as an input.

Sources for this entry

Methodology

How tiers are assigned

Deterministic public-footprint core (local depth, practice share, seniority mix, public hiring momentum), computed relative to this market's own distribution. Tier placement is derived from this public mapped data; a per-firm public-source ledger is compiled for firms in the annual research pass and applies to those firms' factual claims, not to tier membership. No third-party legal-directory bands are used as an input.

Market scope

50–99 firms earn a tier in United States within this scope (banded).

Disclosures

Firm names used nominatively (factual). All counts shown as bands, never precise headcounts. No firm logos. Report an error via the site contact form.

Sources & change log

  1. 1 New York Office | Simpson Thacher & Bartlett LLPfirm_website · G1 · 2026-07-20
  2. 2 New York Office | Simpson Thacher & Bartlett LLPfirm_website · G2 · 2026-07-20
  3. 3 Simpson Thacher & Bartlett — United States news & announcementsfirm_website · G3 · 2026-07-20
  4. 4 Locations | Global Law Firm | DLA Piperfirm_website · G1 · 2026-07-20
  5. 5 Law Firm in New York City, NY | DLA Piperfirm_website · G1 · 2026-07-20
  6. 6 Law Firm in New York City, NY | DLA Piperfirm_website · G2 · 2026-07-20
  7. 7 Law Firm in New York City, NY | DLA Piperfirm_website · G3 · 2026-07-20
  8. 8 New York - Gibson Dunnfirm_website · G1 · 2026-07-20
  9. 9 New York - Gibson Dunnfirm_website · G2 · 2026-07-20
  10. 10 Gibson Dunn & Crutcher — United States news & announcementsfirm_website · G3 · 2026-07-20
  11. 11 New York Law Firms | Lawyers in New York | Goodwinfirm_website · G1 · 2026-07-20
  12. 12 Goodwin Signs Lease for New York Office at Iconic 200 Fifth Avenue in the Heart of Flatiron District on Madison Square Parkfirm_website · G1 · 2026-07-20
  13. 13 New York Law Firms | Lawyers in New York | Goodwinfirm_website · G2 · 2026-07-20
  14. 14 Goodwin Procter — United States news & announcementsfirm_website · G3 · 2026-07-20
  15. 15 New York | Law Firm | Locations | Greenberg Traurig LLPfirm_website · G1 · 2026-07-20
  16. 16 New York | Law Firm | Locations | Greenberg Traurig LLPfirm_website · G2 · 2026-07-20
  17. 17 New York State Government | Individual States | Government Law and Policy General Content | Greenberg Traurig LLPfirm_website · G2 · 2026-07-20
  18. 18 Greenberg Traurig — United States news & announcementsfirm_website · G3 · 2026-07-20
  19. 19 Offices | Holland & Knightfirm_website · G1 · 2026-07-21
  20. 20 Offices | Holland & Knightfirm_website · G1 · 2026-07-21
  21. 21 Offices | Holland & Knightfirm_website · G1 · 2026-07-21
  22. 22 Offices | Holland & Knightfirm_website · G1 · 2026-07-21
  23. 23 Offices | Holland & Knightfirm_website · G1 · 2026-07-21
  24. 24 Offices | Holland & Knightfirm_website · G1 · 2026-07-21
  25. 25 Offices | Holland & Knightfirm_website · G1 · 2026-07-21
  26. 26 Offices | Holland & Knightfirm_website · G1 · 2026-07-21
  27. 27 Offices | Holland & Knightfirm_website · G1 · 2026-07-21
  28. 28 Offices | Holland & Knightfirm_website · G1 · 2026-07-21
  29. 29 Offices | Holland & Knightfirm_website · G1 · 2026-07-21
  30. 30 New York | Offices | Holland & Knightfirm_website · G2 · 2026-07-21
  31. 31 Nashville | Offices | Holland & Knightfirm_website · G2 · 2026-07-21
  32. 32 Miami | Offices | Holland & Knightfirm_website · G2 · 2026-07-21
  33. 33 Dallas | Offices | Holland & Knightfirm_website · G2 · 2026-07-21
  34. 34 Boston | Offices | Holland & Knightfirm_website · G2 · 2026-07-21
  35. 35 Houston | Offices | Holland & Knightfirm_website · G2 · 2026-07-21
  36. 36 Chicago | Offices | Holland & Knightfirm_website · G2 · 2026-07-21
  37. 37 Atlanta | Offices | Holland & Knightfirm_website · G2 · 2026-07-21
  38. 38 Seattle | Offices | Holland & Knightfirm_website · G2 · 2026-07-21
  39. 39 Tampa | Offices | Holland & Knightfirm_website · G2 · 2026-07-21
  40. 40 Houston | Offices | Holland & Knightfirm_website · G3 · 2026-07-21
  41. 41 Locations | Kirkland & Ellis LLPfirm_website · G1 · 2026-07-20
  42. 42 New York | Locations | Kirkland & Ellis LLPfirm_website · G1 · 2026-07-20
  43. 43 Private Equity | Services | Kirkland & Ellis LLPfirm_website · G2 · 2026-07-20
  44. 44 Kirkland & Ellis — United States news & announcementsfirm_website · G3 · 2026-07-20
  45. 45 New York - Latham & Watkinsfirm_website · G1 · 2026-07-20
  46. 46 New York - Latham & Watkinsfirm_website · G2 · 2026-07-20
  47. 47 Latham & Watkins — United States news & announcementsfirm_website · G3 · 2026-07-20
  48. 48 New York | Locations | Sidley Austin LLPfirm_website · G1 · 2026-07-20
  49. 49 Sidley Austin — attorney bios & practice pagesfirm_website · G2 · 2026-07-20
  50. 50 Sidley Austin — United States news & announcementsfirm_website · G3 · 2026-07-20
  51. 51 Locations | Jones Dayfirm_website · G1 · 2026-07-21
  52. 52 New York | Locations | Jones Dayfirm_website · G1 · 2026-07-21
  53. 53 Locations | Jones Dayfirm_website · G1 · 2026-07-21
  54. 54 Locations | Jones Dayfirm_website · G1 · 2026-07-21
  55. 55 Locations | Jones Dayfirm_website · G1 · 2026-07-21
  56. 56 Locations | Jones Dayfirm_website · G1 · 2026-07-21
  57. 57 Locations | Jones Dayfirm_website · G1 · 2026-07-21
  58. 58 Locations | Jones Dayfirm_website · G1 · 2026-07-21
  59. 59 Locations | Jones Dayfirm_website · G1 · 2026-07-21
  60. 60 Locations | Jones Dayfirm_website · G1 · 2026-07-21
  61. 61 Jones Day — attorney bios & practice pagesfirm_website · G2 · 2026-07-21
  62. 62 Jones Day — United States news & announcementsfirm_website · G3 · 2026-07-21
  63. 63 Pittsburgh | Places | K&L Gatesfirm_website · G1 · 2026-07-21
  64. 64 Seattle | Places | K&L Gatesfirm_website · G1 · 2026-07-21
  65. 65 Chicago | Places | K&L Gatesfirm_website · G1 · 2026-07-21
  66. 66 Boston | Places | K&L Gatesfirm_website · G1 · 2026-07-21
  67. 67 Charlotte | Places | K&L Gatesfirm_website · G1 · 2026-07-21
  68. 68 New York | Places | K&L Gatesfirm_website · G1 · 2026-07-21
  69. 69 Pittsburgh | Places | K&L Gatesfirm_website · G2 · 2026-07-21
  70. 70 Chicago | Places | K&L Gatesfirm_website · G2 · 2026-07-21
  71. 71 Boston | Places | K&L Gatesfirm_website · G2 · 2026-07-21
  72. 72 New York | Places | K&L Gatesfirm_website · G2 · 2026-07-21
  73. 73 K&L Gates Advises SoniVie in its Acquisition by Boston Scientific for US$600 Millionfirm_website · G3 · 2026-07-21
  74. 74 2025 Asset Management and Investment Funds Fall Conference—Chicago | HUB | K&L Gatesfirm_website · G3 · 2026-07-21
  75. 75 Morgan Lewis — United States office pagesfirm_website · G1 · 2026-07-21
  76. 76 Morgan Lewis — attorney bios & practice pagesfirm_website · G2 · 2026-07-21
  77. 77 Morgan Lewis Advises Private Equity Funds Involved in Yesway IPO – Newsfirm_website · G3 · 2026-07-21
  78. 78 Ropes & Gray Expands Presence in New York with New Office Lease | News & Events | Ropes & Gray LLPfirm_website · G1 · 2026-07-20
  79. 79 Ropes & Gray — attorney bios & practice pagesfirm_website · G2 · 2026-07-20
  80. 80 Ropes & Gray — United States news & announcementsfirm_website · G3 · 2026-07-20
  81. 81 Offices | Sheppard Mullinpress · G1 · 2026-07-21
  82. 82 Los Angeles Office | Sheppardfirm_website · G1 · 2026-07-21
  83. 83 New York Office | Sheppardfirm_website · G1 · 2026-07-21
  84. 84 Offices | Sheppard Mullinpress · G1 · 2026-07-21
  85. 85 San Francisco Office | Sheppardfirm_website · G1 · 2026-07-21
  86. 86 Chicago Office | Sheppardfirm_website · G1 · 2026-07-21
  87. 87 Dallas Office | Sheppardfirm_website · G1 · 2026-07-21
  88. 88 Houston Office | Sheppardfirm_website · G1 · 2026-07-21
  89. 89 Los Angeles Office | Sheppardfirm_website · G2 · 2026-07-21
  90. 90 Dallas Office | Sheppardfirm_website · G2 · 2026-07-21
  91. 91 Sheppard Mullin — United States news & announcementsfirm_website · G3 · 2026-07-21
  92. 92 Locations | Skadden, Arps, Slate, Meagher & Flom LLPfirm_website · G1 · 2026-07-21
  93. 93 New York | Locations | Skadden, Arps, Slate, Meagher & Flom LLPfirm_website · G1 · 2026-07-21
  94. 94 Locations | Skadden, Arps, Slate, Meagher & Flom LLPfirm_website · G1 · 2026-07-21
  95. 95 Locations | Skadden, Arps, Slate, Meagher & Flom LLPfirm_website · G1 · 2026-07-21
  96. 96 Chicago | Locations | Skadden, Arps, Slate, Meagher & Flom LLPfirm_website · G1 · 2026-07-21
  97. 97 Locations | Skadden, Arps, Slate, Meagher & Flom LLPfirm_website · G1 · 2026-07-21
  98. 98 Los Angeles | Locations | Skadden, Arps, Slate, Meagher & Flom LLPfirm_website · G1 · 2026-07-21
  99. 99 Locations | Skadden, Arps, Slate, Meagher & Flom LLPfirm_website · G1 · 2026-07-21
  100. 100 Boston | Locations | Skadden, Arps, Slate, Meagher & Flom LLPfirm_website · G1 · 2026-07-21
  101. 101 Locations | Skadden, Arps, Slate, Meagher & Flom LLPfirm_website · G1 · 2026-07-21
  102. 102 Houston | Locations | Skadden, Arps, Slate, Meagher & Flom LLPfirm_website · G1 · 2026-07-21
  103. 103 Locations | Skadden, Arps, Slate, Meagher & Flom LLPfirm_website · G1 · 2026-07-21
  104. 104 Wilmington | Locations | Skadden, Arps, Slate, Meagher & Flom LLPfirm_website · G1 · 2026-07-21
  105. 105 Chicago Office | Skadden, Arps, Slate, Meagher & Flom LLPfirm_website · G2 · 2026-07-21
  106. 106 Los Angeles Office | Skadden, Arps, Slate, Meagher & Flom LLPfirm_website · G2 · 2026-07-21
  107. 107 Boston Office | Skadden, Arps, Slate, Meagher & Flom LLPfirm_website · G2 · 2026-07-21
  108. 108 Houston Office | Skadden, Arps, Slate, Meagher & Flom LLPfirm_website · G2 · 2026-07-21
  109. 109 Wilmington Office | Skadden, Arps, Slate, Meagher & Flom LLPfirm_website · G2 · 2026-07-21
  110. 110 Skadden Arps — United States news & announcementsfirm_website · G3 · 2026-07-21
  111. 111 Offices | Taft Lawfirm_website · G1 · 2026-07-21
  112. 112 About | Chicago | Taft Lawfirm_website · G1 · 2026-07-21
  113. 113 Offices | Taft Lawfirm_website · G1 · 2026-07-21
  114. 114 About | Minneapolis | Taft Lawfirm_website · G1 · 2026-07-21
  115. 115 Offices | Taft Lawfirm_website · G1 · 2026-07-21
  116. 116 About | Indianapolis | Taft Lawfirm_website · G1 · 2026-07-21
  117. 117 Offices | Taft Lawfirm_website · G1 · 2026-07-21
  118. 118 About | Cincinnati | Taft Lawfirm_website · G1 · 2026-07-21
  119. 119 Offices | Taft Lawfirm_website · G1 · 2026-07-21
  120. 120 About | Denver | Taft Lawfirm_website · G1 · 2026-07-21
  121. 121 Offices | Taft Lawfirm_website · G1 · 2026-07-21
  122. 122 About | Cleveland | Taft Lawfirm_website · G1 · 2026-07-21
  123. 123 Offices | Taft Lawfirm_website · G1 · 2026-07-21
  124. 124 About | Columbus | Taft Lawfirm_website · G1 · 2026-07-21
  125. 125 Offices | Taft Lawfirm_website · G1 · 2026-07-21
  126. 126 About | Offices | Taft Lawfirm_website · G1 · 2026-07-21
  127. 127 Offices | Taft Lawfirm_website · G1 · 2026-07-21
  128. 128 About | Washington, D.C. | Taft Lawfirm_website · G1 · 2026-07-21
  129. 129 Offices | Taft Lawfirm_website · G1 · 2026-07-21
  130. 130 About | Dayton | Taft Lawfirm_website · G1 · 2026-07-21
  131. 131 Offices | Taft Lawfirm_website · G1 · 2026-07-21
  132. 132 About | Phoenix | Taft Lawfirm_website · G1 · 2026-07-21
  133. 133 About | Chicago | Taft Lawfirm_website · G2 · 2026-07-21
  134. 134 About | Minneapolis | Taft Lawfirm_website · G2 · 2026-07-21
  135. 135 About | Indianapolis | Taft Lawfirm_website · G2 · 2026-07-21
  136. 136 About | Cincinnati | Taft Lawfirm_website · G2 · 2026-07-21
  137. 137 About | Denver | Taft Lawfirm_website · G2 · 2026-07-21
  138. 138 About | Cleveland | Taft Lawfirm_website · G2 · 2026-07-21
  139. 139 About | Columbus | Taft Lawfirm_website · G2 · 2026-07-21
  140. 140 About | Offices | Taft Lawfirm_website · G2 · 2026-07-21
  141. 141 About | Washington, D.C. | Taft Lawfirm_website · G2 · 2026-07-21
  142. 142 About | Dayton | Taft Lawfirm_website · G2 · 2026-07-21
  143. 143 Taft Stettinius & Hollister — United States news & announcementsfirm_website · G3 · 2026-07-21
  144. 144 Atlanta - Troutman Pepper Lockefirm_website · G1 · 2026-07-21
  145. 145 New York - Troutman Pepper Lockefirm_website · G1 · 2026-07-21
  146. 146 Richmond - Troutman Pepper Lockefirm_website · G1 · 2026-07-21
  147. 147 Philadelphia - Troutman Pepper Lockefirm_website · G1 · 2026-07-21
  148. 148 Houston - Troutman Pepper Lockefirm_website · G1 · 2026-07-21
  149. 149 Chicago - Troutman Pepper Lockefirm_website · G1 · 2026-07-21
  150. 150 Boston - Troutman Pepper Lockefirm_website · G1 · 2026-07-21
  151. 151 Dallas - Troutman Pepper Lockefirm_website · G1 · 2026-07-21
  152. 152 Atlanta - Troutman Pepper Lockefirm_website · G2 · 2026-07-21
  153. 153 New York - Troutman Pepper Lockefirm_website · G2 · 2026-07-21
  154. 154 Richmond - Troutman Pepper Lockefirm_website · G2 · 2026-07-21
  155. 155 Philadelphia - Troutman Pepper Lockefirm_website · G2 · 2026-07-21
  156. 156 Houston - Troutman Pepper Lockefirm_website · G2 · 2026-07-21
  157. 157 Chicago - Troutman Pepper Lockefirm_website · G2 · 2026-07-21
  158. 158 Boston - Troutman Pepper Lockefirm_website · G2 · 2026-07-21
  159. 159 Troutman Pepper — United States news & announcementsfirm_website · G3 · 2026-07-21
  160. 160 Offices | Wilson Sonsinifirm_website · G1 · 2026-07-21
  161. 161 Offices | Wilson Sonsinifirm_website · G1 · 2026-07-21
  162. 162 Offices | Wilson Sonsinifirm_website · G1 · 2026-07-21
  163. 163 Offices | Wilson Sonsinifirm_website · G1 · 2026-07-21
  164. 164 Offices | Wilson Sonsinifirm_website · G1 · 2026-07-21
  165. 165 Offices | Wilson Sonsinifirm_website · G1 · 2026-07-21
  166. 166 Offices | Wilson Sonsinifirm_website · G1 · 2026-07-21
  167. 167 Offices | Wilson Sonsinifirm_website · G1 · 2026-07-21
  168. 168 Offices | Wilson Sonsinifirm_website · G1 · 2026-07-21
  169. 169 San Francisco | Wilson Sonsinifirm_website · G2 · 2026-07-21
  170. 170 New York | Wilson Sonsinifirm_website · G2 · 2026-07-21
  171. 171 San Diego | Wilson Sonsinifirm_website · G2 · 2026-07-21
  172. 172 Seattle | Wilson Sonsinifirm_website · G2 · 2026-07-21
  173. 173 Boston | Wilson Sonsinifirm_website · G2 · 2026-07-21
  174. 174 Wilson Sonsini Goodrich & Rosati — United States news & announcementsfirm_website · G3 · 2026-07-21
  175. 175 Locations - Winston Taylorpress · G1 · 2026-07-21
  176. 176 Locations - Winston Taylorpress · G1 · 2026-07-21
  177. 177 Locations - Winston Taylorpress · G1 · 2026-07-21
  178. 178 Locations - Winston Taylorpress · G1 · 2026-07-21
  179. 179 Locations - Winston Taylorpress · G1 · 2026-07-21
  180. 180 Locations - Winston Taylorpress · G1 · 2026-07-21
  181. 181 Locations - Winston Taylorpress · G1 · 2026-07-21
  182. 182 Locations - Winston Taylorpress · G1 · 2026-07-21
  183. 183 Locations - Winston Taylorpress · G1 · 2026-07-21
  184. 184 Locations - Winston Taylorpress · G1 · 2026-07-21
  185. 185 Winston & Strawn — attorney bios & practice pagesfirm_website · G2 · 2026-07-21
  186. 186 Winston Taylor completes historic transatlantic combination - Winston Taylorpress · G3 · 2026-07-21
  187. 187 The Chicago Lawyer showcases new Chicago office - Winston Taylorpress · G3 · 2026-07-21
  188. 188 Represented Chart Industries on USD13.6B Acquisition by Baker Hughes - Winston Taylorpress · G3 · 2026-07-21
  189. 189 Firm unveils new Miami office - Winston Taylorpress · G3 · 2026-07-21
  190. 190 Firm unveils new Miami office - Winston Taylorpress · G3 · 2026-07-21
  191. 191 New York | Akinfirm_website · G1 · 2026-07-21
  192. 192 New York | Akinfirm_website · G2 · 2026-07-21
  193. 193 Private Equity | Akinfirm_website · G2 · 2026-07-21
  194. 194 Akin Gump — United States news & announcementsfirm_website · G3 · 2026-07-21
  195. 195 United States | Locations | Baker McKenziefirm_website · G1 · 2026-07-21
  196. 196 United States | Locations | Baker McKenziefirm_website · G1 · 2026-07-21
  197. 197 Baker McKenzie — attorney bios & practice pagesfirm_website · G2 · 2026-07-21
  198. 198 Baker McKenzie — United States news & announcementsfirm_website · G3 · 2026-07-21
  199. 199 Blank Rome — United States office pagesfirm_website · G1 · 2026-07-20
  200. 200 Blank Rome — attorney bios & practice pagesfirm_website · G2 · 2026-07-20
  201. 201 Blank Rome — United States news & announcementsfirm_website · G3 · 2026-07-20
  202. 202 Geographies // Cooley // Global Law Firmfirm_website · G1 · 2026-07-21
  203. 203 Geographies // Cooley // Global Law Firmfirm_website · G1 · 2026-07-21
  204. 204 Geographies // Cooley // Global Law Firmfirm_website · G1 · 2026-07-21
  205. 205 Geographies // Cooley // Global Law Firmfirm_website · G1 · 2026-07-21
  206. 206 Geographies // Cooley // Global Law Firmfirm_website · G1 · 2026-07-21
  207. 207 Geographies // Cooley // Global Law Firmfirm_website · G1 · 2026-07-21
  208. 208 Geographies // Cooley // Global Law Firmfirm_website · G1 · 2026-07-21
  209. 209 Cooley Godward — attorney bios & practice pagesfirm_website · G2 · 2026-07-21
  210. 210 Cooley Recruits Litigation Group in San Franciscofirm_website · G3 · 2026-07-21
  211. 211 Offices | Foley & Lardner LLPfirm_website · G1 · 2026-07-21
  212. 212 Offices | Foley & Lardner LLPfirm_website · G1 · 2026-07-21
  213. 213 Offices | Foley & Lardner LLPfirm_website · G1 · 2026-07-21
  214. 214 Offices | Foley & Lardner LLPfirm_website · G1 · 2026-07-21
  215. 215 Offices | Foley & Lardner LLPfirm_website · G1 · 2026-07-21
  216. 216 Offices | Foley & Lardner LLPfirm_website · G1 · 2026-07-21
  217. 217 Offices | Foley & Lardner LLPfirm_website · G1 · 2026-07-21
  218. 218 Offices | Foley & Lardner LLPfirm_website · G1 · 2026-07-21
  219. 219 Offices | Foley & Lardner LLPfirm_website · G1 · 2026-07-21
  220. 220 Offices | Foley & Lardner LLPfirm_website · G1 · 2026-07-21
  221. 221 Offices | Foley & Lardner LLPfirm_website · G1 · 2026-07-21
  222. 222 Foley & Lardner — attorney bios & practice pagesfirm_website · G2 · 2026-07-21
  223. 223 J.P. Vogel Featured Across Media for Foley Arrival | News | Foley & Lardner LLPfirm_website · G3 · 2026-07-21
  224. 224 New York - Weil, Gotshal & Manges LLPfirm_website · G1 · 2026-07-20
  225. 225 New York - Weil, Gotshal & Manges LLPfirm_website · G2 · 2026-07-20
  226. 226 Weil Gotshal & Manges — United States news & announcementsfirm_website · G3 · 2026-07-20
22 Jul 2026 Scope-aware market-relative core assembled.
22 Jul 2026 226 verified source(s) ingested for the researched firms; tier placement comes from our own market data so unresearched visible firms do not block approval → APPROVED (auto).
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04 — Questions

About this ranking

Who are the best Mergers & Acquisitions law firms in United States?

As of July 2026, the Tier 1 — Market leaders — among the best Mergers & Acquisitions law firms in United States are Simpson Thacher & Bartlett, DLA Piper, Gibson Dunn & Crutcher, Goodwin Procter, Greenberg Traurig, Holland & Knight, Kirkland & Ellis, Latham & Watkins, Sidley Austin. The full board groups 25 firms into editorial Mergers & Acquisitions tiers expressed in words rather than scores; within a tier order rotates monthly and carries no meaning.

Is Simpson Thacher & Bartlett the best Mergers & Acquisitions law firm in United States?

Simpson Thacher & Bartlett sits in Tier 1 — Market leaders — of Sartori's United States Mergers & Acquisitions board as of July 2026, alongside DLA Piper, Gibson Dunn & Crutcher, Goodwin Procter, Greenberg Traurig, Holland & Knight, Kirkland & Ellis, Latham & Watkins, Sidley Austin. Sartori does not name a single #1: the gap between Tier 1 firms is genuinely unmeasurable, and a numeric score would be false precision.

Which firms have the biggest Mergers & Acquisitions benches in United States?

By mapped United States bench, the largest firms on this board are DLA Piper, Goodwin Procter, Greenberg Traurig, Holland & Knight, Kirkland & Ellis, Latham & Watkins, Sidley Austin, Cooley Godward (350+ mapped lawyers each). All counts are bands, never precise headcounts.

Which Mergers & Acquisitions teams are hiring in United States?

As of July 2026, no firm on this board shows a public hiring signal in the mapping window. Live United States mandates are listed on Sartori's jobs board.

What is a Tier 1 law firm?

In Sartori's rankings, Tier 1 — Market leaders — is an editorial judgement expressed in words, never a score: the firms whose United States bench depth, seniority mix and market standing set the reference point for the market. As of July 2026 that is Simpson Thacher & Bartlett, DLA Piper, Gibson Dunn & Crutcher, Goodwin Procter, Greenberg Traurig, Holland & Knight, Kirkland & Ellis, Latham & Watkins, Sidley Austin. Within the tier no firm outranks another.

Which are the best law firms in United States overall?

Sartori's overall United States board groups 25 firms into editorial tiers; as of July 2026 its Tier 1 is Greenberg Traurig, Holland & Knight, Kirkland & Ellis, Latham & Watkins, Morgan Lewis, Sidley Austin, Troutman Pepper, DLA Piper, Gordon Rees Scully Mansukhani. See /firms/in/united-states/.

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This ranking is compiled independently by Sartori from public sources. Tiers are Sartori’s editorial opinion, expressed without numeric scores; firms are named for identification only, no logos are reproduced, and no firm has paid for or approved its placement. No third-party legal-directory band is used as an input. Nothing here is legal advice or a recommendation to instruct counsel.