Chambers & Partners recognizes Curtis as an international powerhouse within its Global Market Leaders category focused on international and cross-border capabilities noting "Curtis fully understands the workings of a state and the unique nature of having a state as a client"(2025) and has a team with "highly experienced and creative attorneys who are able to zero in on key arguments and not waste resources on lesser issues." ( 2023)

In addition to our global capabilities, Chambers has continued to recognize the expertise of our thriving International Arbitration practice and more recently our Private Equity: Fund Formation practice in Chambers USA; International Arbitration practice in Chambers Latin-America; Italy Dispute Resolution in Chambers Europe; Energy & Natural Resources and Public International Law in Chambers UK and Private Wealth in Chambers High Net Worth.

The firm has 22 practice rankings and 33 individual rankings across various Chambers guides.