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Spotlight
Provided by Sergiy Smirnov
Sergiy Smirnov specialises in domestic corporate, fraud and business crimes, internal investigations and litigation matters.
He has a significant record of representing clients at all stages of criminal and litigation proceedings. These matters span a variety of industries, including agricultural, banking, real estate and construction, insurance and other industries.
His cutting-edge experience in complex cases with multiple claims and parties from different jurisdictions allows the firm to handle critical criminal issues, administrative and other disputes with public authorities and local government bodies.
Association of Certified Fraud Examiners
Association of Corporate Security Professionals, Member of the Forensic Committee
Ukrainian Chapter of American Society for Industrial Security (ASIS)
American Chamber of Commerce in Ukraine
European Business Association
Ukrainian Bar Association, Committee on Criminal and Criminal Procedural Law
English, Ukrainian
Advised Kyivstar in connection with the Largest Cyberattack in Ukraine’s History
Secured lifting of the freezing order in respect of Gulliver Business Centre – one of Ukraine’s major Multifunctional complexes
Defended a client’s interests against undue pressure from state authorities during martial law, with the support of the Council for Support of Entrepreneurship under Martial Law under the President of Ukraine
MBA from International Management Institute
LL. M. from Yaroslav Mudryi National Law University
Recognised among the leading individuals in White-Collar Crime by The Legal 500, 2025
Named among the notable practitioners in Criminal Law/White-Collar Crime by Ukrainian Law Firms 2025
Recommended in Dispute Resolution: White-Collar Crime by Chambers Europe
Recognised in Lexology Index - Business Crime Defence 2025
Provided by Chambers
Sergiy Smirnov is well regarded for his work on a variety of white-collar crime matters including alleged fraud, tax evasion and corruption, representing both domestic and international clients.
Provided by Chambers
Sergiy Smirnov always tries to help you. He is ready to help and share his thoughts, as well as being reachable. He always goes the extra mile to help clients.
The quality of Sergiy Smirnov's service is amazing!
It is always a pleasure working with Sergiy Smirnov.
Sergiy Smirnov always tries to help you. He is ready to help and share his thoughts, as well as being reachable. He always goes the extra mile to help clients.
The quality of Sergiy Smirnov's service is amazing!
It is always a pleasure working with Sergiy Smirnov.
8 items provided by Sayenko Kharenko
Sayenko Kharenko has defended Auchan in the Supreme Court case against the Asset Recovery
Sayenko Kharenko litigation team has won a high-profile case against the Asset Recovery and Management Agency if Ukraine (the “ARMA”) in the Supreme Court. The case brought by contested an unlawful sale of the land plots owned by Auchan and Ceetrus.
Sayenko Kharenko provided legal support for PGNiG on acquisition of shares in a Ukrainian company
Sayenko Kharenko has acted as a subcontractor of a polish legal counsel – Rymarz Zdort that provided legal support for Polskie Górnictwo Naftowe i Gazownictwo S.A. (“PGNiG”) during its acquisition of a controlling stake in Karpatgazvydobuvannya LLC from ERU Management Services LLC.
Sayenko Kharenko provided legal support for PGNiG on acquisition of shares in a Ukrainian company
Sayenko Kharenko has acted as a subcontractor of a polish legal counsel – Rymarz Zdort that provided legal support for Polskie Górnictwo Naftowe i Gazownictwo S.A. (“PGNiG”) during its acquisition of a controlling stake in Karpatgazvydobuvannya LLC from ERU Management Services LLC.
Sayenko Kharenko has successfully defended the interests of two declaring subjects
Sayenko Kharenko’s team has once again successfully defended the interests of two declaring subjects in a lawsuit against NACP.
Sayenko Kharenko continues to successfully defend the interests of the Auchan Group of Companies
Sayenko Kharenko continues to successfully defend the interests of a major foreign investor in Ukraine – the Auchan Group of Companies – within the high-profile case on the illegal alienation of the belonging to the client land plots in the Odesa region of an estimated value of USD 10 million.
Sayenko Kharenko represented a group of companies that owned one of the largest organic plants
Sayenko Kharenko successfully defended interests of a group of companies (the “Group”) owning one of the largest plants in Ukraine producing organic material used in the chemical industry and the fuel and energy sector. Maintaining control over the Group created a conflict among its owners.
Sayenko Kharenko has represented a shareholder in a corporate USD 3 billion dispute
Sayenko Kharenko has represented a shareholder in a corporate dispute with one of the largest machine-building enterprises in Europe for the production of equipment for the oil, gas, nuclear and chemical industries.
Sayenko Kharenko has successfully defended one of Ukraine’s largest taxpayers
Criminal proceedings for tax evasion totaling 2.4 billion hryvnia have been closed due to lack of corpus delicti. The coordinated work of Sayenko Kharenko’s attorneys-at-law team together with the client’s law and financial departments resulted in success.
Sayenko Kharenko has defended Auchan in the Supreme Court case against the Asset Recovery
Sayenko Kharenko litigation team has won a high-profile case against the Asset Recovery and Management Agency if Ukraine (the “ARMA”) in the Supreme Court. The case brought by contested an unlawful sale of the land plots owned by Auchan and Ceetrus.
Sayenko Kharenko provided legal support for PGNiG on acquisition of shares in a Ukrainian company
Sayenko Kharenko has acted as a subcontractor of a polish legal counsel – Rymarz Zdort that provided legal support for Polskie Górnictwo Naftowe i Gazownictwo S.A. (“PGNiG”) during its acquisition of a controlling stake in Karpatgazvydobuvannya LLC from ERU Management Services LLC.
Sayenko Kharenko provided legal support for PGNiG on acquisition of shares in a Ukrainian company
Sayenko Kharenko has acted as a subcontractor of a polish legal counsel – Rymarz Zdort that provided legal support for Polskie Górnictwo Naftowe i Gazownictwo S.A. (“PGNiG”) during its acquisition of a controlling stake in Karpatgazvydobuvannya LLC from ERU Management Services LLC.
Sayenko Kharenko has successfully defended the interests of two declaring subjects
Sayenko Kharenko’s team has once again successfully defended the interests of two declaring subjects in a lawsuit against NACP.
Sayenko Kharenko continues to successfully defend the interests of the Auchan Group of Companies
Sayenko Kharenko continues to successfully defend the interests of a major foreign investor in Ukraine – the Auchan Group of Companies – within the high-profile case on the illegal alienation of the belonging to the client land plots in the Odesa region of an estimated value of USD 10 million.
Sayenko Kharenko represented a group of companies that owned one of the largest organic plants
Sayenko Kharenko successfully defended interests of a group of companies (the “Group”) owning one of the largest plants in Ukraine producing organic material used in the chemical industry and the fuel and energy sector. Maintaining control over the Group created a conflict among its owners.
Sayenko Kharenko has represented a shareholder in a corporate USD 3 billion dispute
Sayenko Kharenko has represented a shareholder in a corporate dispute with one of the largest machine-building enterprises in Europe for the production of equipment for the oil, gas, nuclear and chemical industries.
Sayenko Kharenko has successfully defended one of Ukraine’s largest taxpayers
Criminal proceedings for tax evasion totaling 2.4 billion hryvnia have been closed due to lack of corpus delicti. The coordinated work of Sayenko Kharenko’s attorneys-at-law team together with the client’s law and financial departments resulted in success.
Provided by Sayenko Kharenko
Financial Services
Technology, Media and Telecoms (TMT)