LAWYER PROFILE
Oleksiy Koltok

Oleksiy Koltok

Europe 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

Contributions and articles

2 Articles, Press releases, highlights

About

Provided by Sayenko Kharenko

Europe

Practice Areas

Oleksiy Koltok is an attorney-at-law, partner in Sayenko Kharenko’s Litigation Dispute Resolution practice with over 20 years of legal experience. Oleksiy specialises in comprehensive defence of clients’ interests in complex litigation across all sectors of the economy.

Oleksiy has considerable experience in representing national and international clients in Ukrainian courts of all instances and specialisations, defending them in corporate disputes, disputes with state and regulatory authorities, commercial disputes, consumer protection disputes, real estate and construction disputes, labour disputes, debt collection disputes, enforcement proceedings and bankruptcy, etc. Mr. Koltok also has extensive experience of representing national and international clients in Ukrainian courts of all instances and specialisations.

Oleksiy also has extensive experience in pre-trial and out-of-court dispute resolution, including advising clients on developing litigation defence strategies, countering raiding, property protection, concluding amicable settlement agreements, appeals to the European Court of Human Rights, as well as assistance in negotiations, etc.

Professional Memberships

Ukrainian Bar Association

American Chamber of Commerce in Ukraine

European Business Association

Work Highlights

Secured the successful recovery of the Gulliver multifunctional complex in favour of state-owned banks

Defended Reckitt Ukraine During Regulatory Inspection of Aerosol Product Labelling

Defended the interests of an international organisation in the labour dispute on compensation of UAH 2.5 million

Defended the client’s interests in a land dispute

Defended the client’s interests in enforcing the decision to suspend the operation of petrol station

Education

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

Awards

Recommended in Dispute Resolution in Ukraine by Chambers Global 2026 and Chambers Europe 2025

Recognised among the leading partners in Dispute Resolution in Ukraine by The legal 500, 2025

Recognised among the leading lawyers in Dispute Resolution by Benchmark Litigation 2025

Recognised among the leading practitioners for Litigation by Ukrainian Law Firms 2025

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

Languages Spoken

English, Ukrainian

Key sectors

Financial ServicesRetail and Consumer

Chambers Review

Provided by Chambers

Chambers European Guide

Dispute Resolution: Domestic - Ukraine

Band 3
Band 3

Individual Editorial
Oleksiy Koltok regularly represents both domestic and international clients in proceedings in local courts.

Strengths

Provided by Chambers

  • Oleksiy is very professional and at the same time flexible in cooperation and in searching for optimal solutions.

    Dispute Resolution: DomesticChambers European Guide

Ranked Individuals at Sayenko Kharenko (20)

Ukraine

Articles, Highlights and Press Releases

2 items provided by Sayenko Kharenko

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership