Sergey advises clients on various competition issues, including those related to merger clearance, unfair commercial practices and competition compliance. He has extensive experience of representing the clients in competition investigations initiated by the Antimonopoly Committee of Ukraine.
Sergey has participated in a number of complex due diligence exercises in the retail, dairy and financial sectors, with a particular focus on competition compliance and regulatory issues.
Best Lawyers 2020 names Sergey the Lawyer of the Year in Competition / Antitrust Law. Best Lawyers 2017-2020 lists Sergey Denisenko among the leading Ukrainian experts for Competition / Antitrust.
Sergey Denisenko is recognized by Chambers Europe 2017-2019 and is singled out as "the hands-on force of the practice" and "very result-orientated" lawyer who is "always giving us what we need in terms of precise and practical advice."
Ukrainian Law Firms. A Handbook for Foreign Clients 2015-2018 mentions Sergey as one of the notable practitioners in antitrust and competition, recommends him in agribusiness, energy & natural resources, pharmaceuticals, medicine and healthcare and retail, and describes him as "dedicated to competition practice".
Ranked among the prominent Ukrainian practitioners in Antitrust/Competition by the annual ranking "Top 100 best Lawyers of Ukraine. Clients' Choice" 2017 by Yurydychna Gazeta (Legal newspaper).