General info

Kateryna Kolos handles a range of contentious and non-contentious tax matters with a particular focus on domestic and international transactions, trade and customs issues, and cash discipline, including all stages of tax disputes during pre-court and court proceedings with the tax, customs and other authorities.

She advises international and domestic clients on a broad spectrum of tax matters across sectors and industries, including agriculture, oil&gas, automotive, food, FMCG, telecommunications sectors.

Moreover, Kateryna has experience in resolving customs disputes, including cases regarding customs value, coding of goods, and customs regimes procedure. Kateryna also represents clients’ interests during the enforcement proceedings.

In addition, Kateryna provides clients with legal assistance in matters related to the administrative and criminal liability of company management in connection with tax-related offences.

Before joining Sayenko Kharenko, Kateryna practiced at the Ukrainian office of one of the Big Four auditing companies.


Recommended among leading lawyers in Tax Law by Best Lawyers in Ukraine 2022


Professional membership and involvement

Ukrainian Bar Association

American Chamber of Commerce in Ukraine

European Business Association



Attorney-at-Law, admitted to the Cherkasy Regional Bar Association (since 2017)



LL. M. from the National University of "Kyiv-Mohyla Academy"

Alumni of the “Tomorrow’s Lawyer” program

Media & Insight Kateryna Kolos

09 September 2022


For the seventh year in a row, Sayenko Kharenko is the only independent national law firm reaching Tier 1 by World Tax 2023
30 September 2021


Sayenko Kharenko remains the only independent national law firm top-ranked in the World Tax 2022
24 April 2020


Sayenko Kharenko successfully defended interests of a group of companies that owned one of the largest organic plants in Ukraine
19 February 2020


The Sayenko Kharenko team has successfully defended the interests and business reputation of one of Ukraine’s largest taxpayers
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