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Sergiy Kazmirchuk

Work +38 044 499 6000
Sayenko Kharenko

Work Department

Corporate and M&A.


Sergiy Kazmirchuk, counsel at Sayenko Kharenko, focuses on corporate law and M&A as well as banking and insurance regulatory matters.

Sergiy has extensive track record of advising clients on M&A projects and on various corporate matters, including in highly regulated industries such as banking and insurance. During his 10-year legal practice at Sayenko Kharenko, Sergiy acted on a number of high-profile transactions involving sale and acquisition of Ukraine’s largest banks and insurance companies. His vast experience includes advising on legal due diligence of Ukraine’s assets, full transactional support, pre- and post-closing support, and other issues.

After adoption of the Law of Ukraine "On Joint Stock Companies", he participated in developing one of the first in Ukraine forms of constituent documents of a bank - public joint stock company that were subsequently used as precedents. Notably, Sergiy was among those assisting with the conversion of the largest Ukrainian stock exchange into a private joint stock company in 2010.

Sergiy’s experience in banking regulatory matters includes obtaining approvals from the National Bank of Ukraine for major banks for acquisition of significant shareholding in respective Ukrainian banking institutions (more than ten in total).

Following introduction in 2012 of the statutory requirement to obtain written approval of the insurance regulator for acquisition or increase of significant shareholding in Ukrainian insurance companies, Sergiy has worked on a number of respective regulatory filings, including obtaining approvals from the Ukrainian insurance regulator for major Ukrainian and international companies to acquire significant interest in Ukrainian insurance companies. He advised one of the multinational insurance groups on obtaining the first approval ever granted in Ukraine for indirect acquisition of a Ukrainian insurance company by a non-resident.


Prior to joining Sayenko Kharenko, Sergiy held executive positions in the legal departments of the leading Ukrainian banks and non-banking financial institutions.


Ukrainian, Russian, English.


  • American Chamber of Commerce in Ukraine (ACC)
  • European Business Association (EBA)
  • Ukrainian Bar Association


  • LL.M. from I. Franko Lviv National University


Commercial, corporate and M&A

Within: Next generation lawyers

Sergiy Kazmirchuk - Sayenko Kharenko

Within: Commercial, corporate and M&A

Sayenko Kharenko is 'responsive, quick and professional' and its team includes 'the best lawyers I have worked with in Eastern Europe', according to one client. Vladimir Sayenko, who acted for HP on its acquisition of Samsung's printer business, Oleksandr Padalka and Russian-qualified Andrei Liakhov are among the key practitioners. Counsel Sergiy Kazmirchuk is 'precise and clear in his answers'.

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Legal Developments by:
Sayenko Kharenko

  • Sayenko Kharenko acts as legal counsel to DTEK Renewables for construction of Primorskaya WEP with a

    Sayenko Kharenko has acted as legal counsel to DTEK Renewables, which manages DTEK projects in renewable energy, on construction of Primorskaya Wind Electric Plant LLC (Primorskaya WEP) with a capacity of 200 MW. DTEK Renewables is currently one of the largest producers of renewable electric energy in Ukraine and accounts for about 10% of “green” capacities market.
    - Sayenko Kharenko

Legal Developments in Ukraine

Legal Developments and updates from the leading lawyers in each jurisdiction. To contribute, send an email request to
  • Top Changes for Financial Institutions on Restructuring and Recoveries Market in Ukraine

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    - GOLAW
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    AVELLUM acted as the Ukrainian legal counsel to the joint lead managers, Citigroup Global Markets Limited and Deutsche Bank AG, London Branch, with respect to EUR600 million and USD335 million Eurobond offering of Naftogaz of Ukraine.
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  • Renewable energy in Ukraine: green auctions launched

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  • AVELLUM advises on Ukraine`s first in over a decade Euro-denominated notes issue

    AVELLUM acted as the Ukrainian legal counsel to the Ministry of Finance of Ukraine on another milestone Eurobond deal. The issue by Ukraine of EUR1 billion notes with a 7-year tenor marks the first euro-denominated offering Ukraine has made in almost 15 years.
  • AVELLUM advises solar power plant developer on sale of solar project

    AVELLUM acted as the legal counsel to SM Invest Construction B.V., a solar PV plants developer, on the sale of shares in the holding company, which owns the underlying assets to develop a 148MW solar power plant in Mykolaiv region. Scatec Solar, a leading and globally acting solar energy producer, acted as the purchaser.
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    The main legal act regulating legal relations in the field of advertising is the Law of Ukraine  On Advertising . The implementation of the Law in practice requires a detailed analysis and practical experience. The fulfillment of the requirements of the Law and other regulatory legal acts regulating advertising relations in Ukraine is a guarantee that government agencies in Ukraine, such as the Antimonopoly Committee of Ukraine, the State Inspection of Consumer Protection of Ukraine will not be able to start an advertiser's check.