Founded by arbitrators Gabrielle Kaufmann-Kohler and Laurent Lévy in 2007, Lévy Kaufmann-Kohler is one of the leading boutique law firms in international arbitration. Its lawyers have extensive experience with virtually all major arbitration institutions and rules, and have acted as arbitrators, counsel or experts in numerous arbitrations. Gabrielle Kaufmann-Kohler and Laurent Lévy are recognized among the most prominent arbitrators worldwide in both commercial and investment arbitration. The firm’s counsel practice is led by renowned practitioners Antonio Rigozzi and Sébastien Besson.


LKK is uniquely qualified to provide parties (including state parties) with strategic insight and cutting-edge legal advice in all dispute resolution procedures, both with respect to substance and procedure. Its team is composed of 18 highly specialized and multi-jurisdictional lawyers with significant experience in dispute resolution, including international commercial arbitration, international investment law, and sports arbitration. Our lawyers are fluent in English, French, German, Spanish, Italian, Russian, Norwegian, Swedish, Danish, Greek, Hindi, Marathi and Georgian.

Rankings and quotes

Lévy Kaufmann-Kohler has been ranked by Global Arbitration Review within the GAR 100 list for fourteen consecutive years. Senior partners Gabrielle Kaufmann-Kohler and Laurent Lévy have been constantly ranked among the top investment and commercial arbitrators worldwide. Since 2009, they have both been included in Who’s Who Legal’s list of the most highly regarded individuals in commercial arbitration worldwide, and Gabrielle Kaufmann-Kohler topped the list in 2013.


Gabrielle Kaufmann-Kohler is described by peers as a “model of what a top international arbitrator should be” (Who’s Who Legal: Switzerland 2014) and “is widely considered the best in Switzerland if not the world” (Who’s Who Legal 2015). Laurent Lévy is regarded as the “doyen of international commercial arbitration” and acclaimed as “simply one of the best” (Who’s Who Legal 2014 and 2015). Antonio Rigozzi is recognized as a “leading specialist”, who “really stands out” in international sports law and arbitration (Global Arbitration Review 2016, Who’s Who Legal 2015), and Sébastien Besson is “excellent” (Chambers Europe 2017) and “to be recommended without hesitation” (Who’s Who Legal 2015). For more accolades and rankings, please see Accolades.

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