Comparative Guide
Investment Treaty Arbitration
United States
09 March 2026
International arbitration
Rankings
- 2
Arnold & Porter
Lawyer & team qualityBilling & efficiencySector knowledgeNPS ® - 2
Curtis, Mallet-Prevost, Colt & Mosle LLP
NPS ® - 2
Gibson, Dunn & Crutcher LLP
Lawyer & team qualityBilling & efficiencySector knowledgeNPS ® - 2
Paul Hastings LLP
- 2
Quinn Emanuel Urquhart & Sullivan, LLP
- 2
Three Crowns LLP
- 2
Chaffetz Lindsey LLP
- 2
Covington & Burling LLP
- 2
Foley Hoag LLP
- 2
Skadden, Arps, Slate, Meagher & Flom LLP
Tier 2
- 3
Cleary Gottlieb Steen & Hamilton
- 3
Clifford Chance
- 3
Herbert Smith Freehills Kramer
Billing & efficiencySector knowledge - 3
Hughes Hubbard & Reed LLP
- 3
Norton Rose Fulbright
- 3
Reed Smith LLP
- 3
Vinson & Elkins LLP
Tier 3
- 4
BakerHostetler
- 4
Cooley LLP
- 4
DLA Piper LLP (US)
Lawyer & team qualityBilling & efficiency - 4
Jones Day
Lawyer & team qualitySector knowledge - 4
Latham & Watkins
Sector knowledgeNPS ® - 4
Linklaters LLP
- 4
Mayer Brown
- 4
Sidley Austin LLP
- 4
WilmerHale
- 4
Winston Taylor
- 4
Baker Botts L.L.P.
- 4
Eversheds Sutherland
- 4
Squire Patton Boggs
Tier 4
- 5
Baker McKenzie
- 5
Crowell & Moring LLP
- 5
Dentons
NPS ® - 5
Greenberg Traurig
Lawyer & team qualityBilling & efficiency - 5
Holland & Knight
Billing & efficiencySector knowledge - 5
K&L Gates
- 5
McDermott Will & Schulte
Lawyer & team qualityBilling & efficiencySector knowledgeNPS ® - 5
Orrick, Herrington & Sutcliffe
- 5
Pillsbury Winthrop Shaw Pittman LLP
Lawyer & team qualityBilling & efficiency - 5
Steptoe LLP
Billing & efficiencyNPS ® - 5
Troutman Pepper Locke LLP
- 5
Withers
Lawyer & team qualityBilling & efficiencySector knowledge - 5
A&O Shearman
- 5
Pierson Ferdinand LLP