Tax Law

SERVICES AND INFORMATION

Due to a comprehensive approach and understanding of our clients’ expectations in tax planning, we offer effective solutions to present-day problems with options to eliminate or minimize potential tax risks. Our extensive client base allows us to address the smallest nuances of taxation not only for individual operations within the country but also for complex cross-border transactions and business models in general.

Тax planning of investment activities and business at the national and international scale
Tax structuring of transactions, analysis of tax risks of individual transactions
Comprehensive legal support for tax audits
Administrative and judicial appeal against decisions of the tax authorities
Tax advice on issues relating to the application of taxes and fees
Tax due diligence of agreements
Tax audit

OUR CLIENTS

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

About us

Reputable legal advisor

Founded in 1997, Ilyashev & Partners is one of the most prominent law firms in the Eastern European region. With offices in Kyiv, Dnipro, Kharkiv and Odesa, Ilyashev & Partners employs more than 120 people. The firm has been recognized by the most prestigious legal market research guides, according to which it occupies a leading position in Ukraine.

28
years іn the market
40+
attorneys and lawyers
400+
clients regularly serviced
1000+
court hearings annually

Reliability

We provide assistance by:

Helping at any stage of the project.
Discussing the task with you, analyzing all prospects and risks.
Thorough studying of the problem, taking into account the special aspects of your business activities.
Developing a strategy, suggesting solutions and action plan.

“The success of our firm results from the professionalism and expertise of our team”
Roman Marchenko, Senior Partner

Team

Leading experts

Mikhail I. Ilyashev
Attorney at Law, Managing Partner, Honored Lawyer of Ukraine

One of the most famous attorneys in Ukraine. Head of Corporate and M&A Practice.
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Roman V. Marchenko
Attorney at Law, Senior Partner, Honored Lawyer of Ukraine

Leading Ukrainian attorney. Head of International Arbitration.
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Alina M. Borovets
Attorney at Law

Advises on antitrust and competition matters, defends clients in commercial, civil and administrative disputes.
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Dmytro V. Lazebnyi
Attorney at Law

One of the most valued attorneys in dispute resolution, who brings extensive experience in tax litigation.
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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.
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All lawyers

TRUST IN THE COMPANY

Our cases

Advising Ukrainian Red Cross Society on the legal regulation of the Mobile Health Units Program
Result
Development of the legal mechanism of work, step-by-step instructions and accompanying legal documents for implementing the Mobile Health Units Program, including the method of involving medical personnel in the provision of medical assistance; the method of medicines procurement and the scheme of their transfer; patient data collection, storage and processing.

Alla S. Tsymanovska
Attorney at Law
The first in Ukraine release of a vessel against the British P&I Club’s undertaking
Result
The precedent in the Ukrainian law enforcement practice was established in the interests of CHALLENGE SHIPPING LTD, the owner of the bulk carrier New Challenge, detained at the Port of Mykolaiv in connection with an incident taking place during cargo operations. The team of Odesa Office of Ilyashev & Partners has secured the acceptance by the State Ecological Inspection of Ukraine of the P&I club’s letter of undertaking as a sufficient and only security in respect of the maritime claim.

Sergey M. Nedelko
Attorney at Law, Counsel, Head of Odesa Office
Lifting the unlawful financial burden imposed on green energy companies
- #Energy & Natural Resources
Result
As a result of a two-year legal dispute were recognized as unlawful and invalid the amendments to the formula approved by the National Commission for State Regulation in the Spheres of Energy and Utilities, which obliged electricity producers under the “green” tariff to compensate SE Guaranteed Buyer for losses incurred due to its inability to sell the electricity purchased from them.

Mikhail I. Ilyashev
Attorney at Law, Managing Partner, Honored Lawyer of Ukraine
Introduction of provisional anti-dumping duty on imports of glass containers from Belarus
- #International Trade
Result
A provisional anti-dumping duty of 31.37% was applied to glass containers for food and beverages originating in the Republic of Belarus based on the interim results of the anti-dumping investigation. This decision on application of provisional duty on imports of goods to Ukraine was the first decision adopted by the Interdepartmental Commission on International Trade after 24 February 2022.

Olena L. Omelchenko
Attorney at Law, Partner, Head of International Trade Practice

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OUR AWARDS

Our reliability is confirmed

The Legal 500 – EMEA 2025 Leading Firm in Tax for Ukraine
World Tax 2025 Recommended in General Corporate Tax and Tax Controversy for Ukraine
ITR EMEA Tax Awards 2023 Shortlisted as Tax Disputes Firm of the Year
Market Leaders: Ranking of Law Firms of Ukraine 2024 Leading Firm in Tax Law / Consulting
Ukrainian Law Firms 2023-2024. A Handbook for Foreign Clients Established Practiсe in Tax Consulting and Tax Litigation