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Ivan O. Maryniuk

Lawyer, Head of Tax Law Practice

Specializes on international tax planning of investment activities in Ukraine and abroad, structuring of transactions, individual and corporate taxation.


  • Taras Shevchenko National University of Kyiv, Faculty of Law (Master of Laws, summa cum laude)
  • National University of Kyiv-Mohyla Academy, Faculty of Law (Specialist Degree in Laws, summa cum laude)
  • National University “Odesa Law Academy” (Bachelor Degree in Laws, summa cum laude)


Ivan Maryniuk joined Ilyashev & Partners in 2019 from Deloitte, where he was a Tax Consultant. His practice focuses mainly on international and domestic taxation and advice in private client matters.


Ivan’s experience involves transactional and advisory work across all taxes and levies (incl. taxable objects, taxes and levies accrual; filing obligations, tax residence rules, tax due diligence of agreements, etc.), administrative and judicial appeal against decisions of the tax authorities, as well as its actions and omissions.


Ivan Maryniuk is an expert in currency regulation of foreign economic activity, currency restrictions and other legal issues regarding currency regulation and control in Ukraine.


Awards and recognition:

  • World Tax 2024 Rising Star in General Corporate Tax for Ukraine


One of the best experts in such practices as:


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

Doing Business In: Ukraine

Article, The Legal 500

1 August 2023

Court Practice on Copyright Infringement

Article, Liga:Zakon

29 June 2023

Changes to Bankruptcy Procedures in Ukraine

Country Report, Eurofenix

19 June 2023

Insolvency During Martial Law in Ukraine

Article, Eurofenix

1 March 2023

New Law Proposed in Ukraine During Martial Law

News & Updates, INSOL Europe

1 February 2023

Trade Ballast

Interview, Yurydychna Praktyka

5 October 2021


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