Lévy Kaufmann-Kohler features in all leading legal directories and is praised for its “superb track record in international arbitrations” (Chambers Global, 2024).


For several years now, Gabrielle Kaufmann-Kohler and Laurent Lévy have constantly been ranked among the top investment and commercial arbitrators worldwide. Antonio Rigozzi is recognized as one of the leading specialists in the fields of international sports law and commercial arbitration globally, while Sébastien Besson is considered among the top counsel and arbitrators in international commercial arbitration. Michele Potestà is also ranked among the top arbitration practitioners of his generation, in particular due to his expertise in investment treaty arbitration.


Gabrielle Kaufmann-Kohler, who is regarded as a “real thought leader in the profession”, “who does not need any introduction”, with “an unparalleled reputation in the arbitration community” (Who’s Who Legal Switzerland 2021; Who’s Who Legal Arbitration 2017; Chambers Global 2023), has been described by peers as the “model of what a top international arbitrator should be”, and “one of the top arbitrators in Switzerland and one of the top arbitrators period” (Who’s Who Legal Switzerland 2014; Who’s Who Legal Arbitration 2016). She was named as the most highly regarded individual in the International Who’s Who of Commercial Arbitration 2013.  Laurent Lévy is considered the “doyen of international commercial arbitration”, acclaimed as “simply one of the best”, “one of the most brilliant minds in international arbitration” and a “truly exceptional”, “excellent” arbitrator (Who’s Who Legal Switzerland 2014; Who’s Who Legal Arbitration 2015; Who’s Who Legal Arbitration 2017; Who’s Who Legal 100 Dispute Resolution 2015; Chambers Global 2023).


Antonio Rigozzi is praised as a “fantastic lawyer” (Chambers Europe 2017), “who maintains an undisputed leading position in the market” (Chambers Europe 2021), “one of the key players in the field of arbitration in Switzerland”, and “a very skilled attorney” (Who’s Who Legal Switzerland 2017; Who’s Who Legal Arbitration 2017). Sébastien Besson is regarded as a “top of the line” arbitrator and counsel, described as “excellent, really very good”, “outstanding”, and a “star in Switzerland” (Who’s Who Legal Switzerland 2023; Who’s Who Legal Switzerland 2017; Chambers Europe 2017). In 2023, Michele Potestà was listed in the Global Arbitration Review’s 45 under 45, after being recognized as the most highly regarded individual in Europe by Who’s Who Legal Arbitration: Future Leaders 2020, where he was described as “the go-to person in matters relating to public international law and investment arbitration” (GAR 45 under 45 2023; Who’s Who Legal Arbitration – Future Leaders 2020).


In the Global Arbitration Review 2024, Lévy Kaufmann-Kohler has been ranked within the GAR 100 for the seventeenth consecutive year. Both Gabrielle Kaufmann-Kohler and Laurent Lévy received the GAR award for “Best Prepared Arbitrator”, in 2012 and 2016 respectively, and Gabrielle Kaufmann-Kohler was the recipient of the GAR Lifetime Achievement Award in 2023.


Gabrielle Kaufmann-Kohler also received Who’s Who Legal’s ‘Lawyer of the Year 2021 – Arbitration’ award, was designated as Switzerland’s  ‘Arbitrator of the Year’ in the inaugural 2014 Benchmark and Expert Guides Global Arbitration Awards (Euromoney Legal Media Group), and distinguished as the “best in commercial arbitration” in the 2012 and 2014 editions of the International Financial Law Review’s Europe Women in Business Law Awards (


In the Chambers and Partners Europe Guide 2023, where Gabrielle Kaufmann-Kohler and Laurent Lévy are both listed among the “most in demand arbitrators globally”, Lévy Kaufmann-Kohler is presented as a “specialist arbitration boutique with a superb track record in international commercial and investment arbitrations”, with a “strong presence in commercial and investment arbitration”, and “an excellent level of service” (


In the Legal 500 Europe Middle-East and Africa – Dispute Resolution Guide (2022, 2023 and 2024 editions), LKK has been described as a firm which “provides ‘outstanding expert and solution-oriented advice’, acting in a range of high-profile proceedings”, “with notable strength in complex and international matters” (











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