Sergiy Denisenko

Partner, Antitrust & Competition

EXPERTISE

Sergey is a competition law expert with a proven track record in advising clients on complex antitrust matters. His expertise spans merger control in high-stakes M&A and joint venture transactions, both domestic and multinational, as well as strategic counsel on unfair commercial practices and competition compliance. He has extensive experience of representing the clients in competition investigations initiated by the Antimonopoly Committee of Ukraine.

His impressive portfolio includes advising major local and international corporations across diverse industries, including retail, dairy, agriculture, energy, finance, and defense. Sergey’s strategic insights and deep industry knowledge make him a trusted advisor for businesses operating in highly regulated and competitive markets.

EDUCATION

  • Institute of International Relations of Kyiv National Taras Shevchenko University. Master of International Law (2008).
  • King’s College London. PG Diploma – EU Competition Law (2018).

ADMISSION

International Bar Association (IBA)
Kyiv Regional Bar Association (admitted since 2008)
Ukrainian Bar Association (UBA)

“Practical and very easy to work with”

“Always giving us what we need in terms of precise and practical advice”

Chambers Europe

“Sergiy Denisenko is very engaged and client oriented. His skills are pretty exceptional.”

Legal 500 EMEA

RECOGNITION

Sergey has been repeatedly recommended by reputable international and local legal rankings such as Chambers Europe, The Legal 500, Global competition review (GCR) 100, Best Lawyers, Who’s Who Legal, The Ukrainian Law Firms. A Handbook for Foreign Clients, etc.

Best Lawyers 2020 named Sergey a Lawyer of the Year in Antitrust and Competition in Ukraine.

Legal 500 Central and Eastern Europe Awards 2025 named Sergiy Competition Lawyer of the Year.

AWARDS

  • Legal 500 Central and Eastern Europe Awards 2025 Competition Lawyer of the Year
  • Chambers Europe 2017-2024 Highly Recommended in Competition/Antitrust
  • The Legal 500, 2020-2025 Leading Individual, leading Partner in Antitrust and Competition
  • Who’s Who Legal 2020-2024 Recommended in Competition
  • Best Lawyers 2020 Lawyer of the Year in Antitrust / Competition in Ukraine
  • Best Lawyers 2017-2024 Recommended in Antitrust / Competition, Agriculture and Rural Affairs, Retail Law
  • Ukrainian Law Firms. A Handbook for Foreign Clients 2019-2021 A Leading Individual in Antitrust / Competition