INTEGRITES receives recognition in GAR100 – 16th edition for the fourth consecutive year, becoming one of 197 firms from 52 countries recognized by the ranking. GAR100 uses the firm’s reputation, the amount of work undertaken and overall experience as the main selection criteria.  


The International Arbitration team at INTEGRITES includes partners Olena Perepelynska, Serhii Uvarov, Dmytro Marchukov, Kurmangazy Talzhanov, Duman Akhmetov and more than 10 lawyers in 2 jurisdictions. Along with the client work within the GAR100 2023 research window, the firm’s partners acted as arbitrators in the international cases seated in Austria, France, Kazakhstan, Kyrgyzstan, UK and Ukraine. 


Despite the challenges caused by the Russian invasion of Ukraine in 2022, the practice has received a number of new mandates and continued to advise the long-standing clients on their disputes.  


Inter alia, INTEGRITES remains the Ukrainian law counsel to NPC Ukrenergo in its investment treaty claim against Russia, where NPC Ukrenergo seeks compensation for the expropriation of its assets in the Crimea. 

Over the research window of GAR100 – 16th edition, Dmytro Marchukov acted as a Ukrainian law expert in two ICSID arbitrations brought against the United States, and Olena Perepelynska was engaged by counsel for the Ukrainian Ministry of Justice to act as a Ukrainian law expert in the SCC investment treaty arbitration brought against Ukraine by VEB, the Russian state-owned bank.  


The firm’s experts have been consistently recognized by the leading international legal rankings and directories – Chambers Europe/Global, Who’s Who Legal: Arbitration, Best Lawyers, The Legal500.  

In particular, in 2022-2023, the firm’s Head of International Arbitration and President of the Ukrainian Arbitration Association Olena Perepelynska has been named "Lawyer of the Year" for Arbitration and Mediation by Best Lawyers, recognized in Thought Leaders Arbitration 2022 and Global Leaders Arbitration 2023 by Who`s Who Legal, and spotlighted in the category Dispute Resolution: International in Ukraine by Chambers Global 2023 and Chambers Europe 2023.  


Partner Serhii Uvarov is recognized in Arbitration Future Leaders – Partners 2023 by Who’s Who Legal. Counsel Krystyna Khripkova is recognized in Arbitration Future Leaders – Non-Partners 2023.