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Roman V. Marchenko

Attorney at Law, Senior Partner, Honored Lawyer of Ukraine

Leading Ukrainian attorney. Head of International Arbitration.


Institute of International Relations, Taras Shevchenko National University of Kyiv, International Law Faculty (Master of International Law)


Having a strong background in both dispute resolution and international arbitration work, co-founder of Ilyashev & Partners Roman Marchenko has increasingly emerged as one of the strongest practitioners in the international dispute resolution in Ukraine. Each year Roman supervises over 500 disputes in Ukraine and abroad, in which the firm acts as an advisor.


Since 2001 Roman Marchenko acts as an arbitrator in the international arbitration proceedings on a regular basis. He was appointed as an arbitrator for LCIA, ICC, LMAA, SCC, a number of ad hoc arbitrations, including arbitral panels in Ukraine. As an arbitrator Roman Marchenko covers Aviation, Shipping, Energy & Natural Resources, Real Estate & Construction, Infrastructure sectors with geographical focus on Ukraine, England and Wales, EU and USA. Roman’s International Arbitration practice includes acting as a sole arbitrator and as a part of Arbitral Tribunal, mediation, conciliation, expert determination.


Roman Marchenko is officially certified to act in bankruptcy cases of state-owned enterprises and business entities, in the authorized capital of which more than 50 percent of the shares (participation interests) belong to the state.

  • Vice-President, Ukrainian Law Firms Association
  • The Bar Council of Kyiv region
  • INSOL Europe
Working languages
  • English
  • Ukrainian
  • Russian


Awards and recognition:

  • The Legal 500 Hall of Fame Inducted into The Legal 500 Hall of Fame among the leading lawyers in Dispute Resolution for Ukraine

  • The Legal 500 – EMEA 2023 Leading Individual in Commercial, Corporate and M&A, Dispute Resolution, White-Collar Crime, Tax, Private Client for Ukraine

  • Chambers Global 2023 Leading Individual in Dispute Resolution for Ukraine

  • Chambers Europe 2023 Leading Individual in Dispute Resolution for Ukraine

  • IFLR1000 2023 Recommended in Banking, Restructuring and Insolvency for Ukraine

  • Benchmark Litigation Litigation Star

  • World Tax 2024 Highly Regarded in Tax Controversy for Ukraine

  • Who’s Who Legal 2023 Leading Individual in Asset Recovery for Ukraine

  • Best Lawyers International 2022 Leading Individual in Litigation, Arbitration and Mediation, Corporate Law and Aviation for Ukraine

  • 50 Leading Law Firms of Ukraine 2024. Recognition Rating Practice Leader in International Arbitration

  • Client’s Choice 2023: TOP-100 Lawyers of Ukraine Listed among 100 Best Lawyers of Ukraine. Practice Leader Dispute Resolution and Mediation

  • Ukrainian Law Firms 2021. A Handbook for Foreign Clients Ranked among top-5 practitioners in Litigation and Aviation for Ukraine. Notable Practitioner in Bankruptcy, Cross-Border Litigation and International Arbitrition

  • Legal Awards 2021 Best Lawyer in Arbitration of the Year 2021 for Ukraine

  • Legal Awards 2019 Best Litigation Lawyer of the Year 2019 for Ukraine

  • Legal Awards 2016 Best Lawyer in Arbitration of the Year 2016 for Ukraine


One of the best experts in such practices as:


Practical experience in the industries:


Today we are working on projects for more than 400 active clients


Recent publications

Focus on: Dispute Resolution in Ukraine

Article, The Legal 500

1 August 2023

Changes to Bankruptcy Procedures in Ukraine

Country Report, Eurofenix

19 June 2023

New Law Proposed in Ukraine During Martial Law

News & Updates, INSOL Europe

1 February 2023

Roman Marchenko’s Rules for Life

Interview, Ukrainian Lawyer

1 June 2021

Market Snapshot: Cross-border Litigation

Ukrainian Law Firms 2019

20 July 2019

Who Will Pay the Bills of MH17?

Column, UNIAN

9 September 2016

Pressure Decision in Corruption Fighting

Column, RBC-Ukraine

31 August 2015


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