General info

Oleksiy Koltok has extensive experience of practicing law in dispute resolution on a variety of matters, including both local and cross-border litigation.

Oleksiy specializes in defending local and multinational clients in complex litigation projects across a variety of sectors including banking, insurance, real estate, energy, construction and other industries.

Relying on his substantial experience, Oleksiy advises and effectively represents clients at all stages of court proceedings in Ukrainian courts of all instances and specializations as well as before arbitral tribunals, including corporate and contractual litigations, disputes with state and municipal authorities, consumer protection litigations, real estate disputes, labour litigations, debt collection, enforcement proceedings and firm bankruptcy.

Oleksiy also has significant experience in out-of-court dispute resolution, including advising clients on settlement agreements as well as assistance in negotiations.


Recognised among the leading practitioners for Litigation by Ukrainian Law Firms 2021

Recognised among the leading lawyers in Litigation by Best Lawyers in Ukraine 2022

Recommended in Dispute Resolution in Ukraine by Chambers Global 2023 and Chambers Europe 2023

Lawyer of the Year in Commercial Law by Lawyer of the Year 2019, Ukrainian Advocates’ Association


Professional membership and involvement

Ukrainian Advocates' Association

American Chamber of Commerce in Ukraine

European Business Association

Ukrainian Bar Association, member of the Committee on Procedural Law



Attorney-at-Law, admitted to the Kyiv City Bar (since 2017)



Specialist’s degree in law from National Academy of Internal Affairs of Ukraine

Specialist’s degree in finance from Taras Shevchenko National University of Kyiv

Media & Insight Oleksiy Koltok

16 March 2023


Sayenko Kharenko is among the top two law firms in Ukraine according to the Chambers Europe 2023 
27 February 2023


Sayenko Kharenko has been recognised as one of the leading Ukrainian law firms by Chambers Global 2023
24 May 2022


Assets of individuals and legal entities can be forcibly seized  
09 April 2022


Forcible seizure the Russian Federation’s and its residents’ property in Ukraine
Notification cookies

We use cookies to analyze the behavior of visitors
of our website and improve it. By using our website, you consent to these cookies in accordance with our Cookie Policy.