Email address
[email protected]Contact number
+380 44 499 6000Share profile
Provided by Oleksandr Nikolaichyk
Oleksandr Nikolaichyk deals with the firm’s most complex multijurisdictional corporate transactions including acquisitions, joint ventures, corporate finance, corporate and pre-IPO restructurings, equity and asset sales. Oleksandr also advises clients on various corporate governance issues, general corporate and investment matters, stock market and securities transactions.
Based on his in-depth understanding of the local business environment and of the challenges faced by private and public corporations in Ukraine, Oleksandr advises the firm’s high-profile foreign and domestic clients. He has extensive experience across a variety of sectors and industries including banking, real estate, retail, energy & resources, industrials, logistics and infrastructure.
Oleksandr is actively involved in the Ukrainian legal community and is a member of various initiatives. In the last few years, he has been engaged in the development of important laws and regulations in the areas of corporate governance, compliance and capital markets.
Prior to joining Sayenko Kharenko in 2010, Oleksandr worked at the Kyiv offices of leading law firms.
Ukrainian Bar Association
European Business Association
American Chamber of Commerce in Ukraine
English, Ukrainian
First Ukrainian Company on NASDAQ: Sayenko Kharenko Advises on Landmark Kyivstar Listing
Advising Kyivstar on Acquisition of Uklon
Advising IFC on landmark investment in Ukraine’s insurance sector
Advising Piraeus Bank in a complex cross-border reverse merger transaction with its parent company
Advising Kyivstar in its acquisition of ISP Shtorm LLC, a regional internet service provider operating under the brand name Shtorm
Advising Elementum Energy on the acquisition of a majority stake in the Windpark West WPP project
London School of Economics, Department of Law, corporate law and governance programme
Certified with the National Securities and Stock Market Commission of Ukraine as a specialist in securities trading and depository activities
LL.M., summa cum laude, from the National University of “Kyiv-Mohyla Academy”
Recommended in Corporate and M&A by Chambers Global 2026, Chambers Europe 2025 and The Legal 500, 2025
Recommended in Real estate and construction by The Legal 500, 2025
Recognised in M&A, Project development and Real estate by IFLR1000, 2025
Recognised among the leading lawyers in Corporate and M&A by Ukrainian Law Firms 2025
Recognised among the leading lawyers in Banking and Finance, Capital Markets, Corporate, M&A and Real Estate by Best Lawyers in Ukraine 2022
Provided by Chambers
Oleksandr Nikolaichyk regularly advises clients from a broad range of industries on M&A transactions, joint ventures and corporate governance matters.
Provided by Chambers
Oleksandr Nikolaichyk plays a leading role in negotiating transaction documents. He demonstrates strong expertise as well as a pragmatic and business-oriented approach to transactions.
Oleksandr Nikolaichyk is a great co-managing partner who caters the best service to us as a client.
Oleksandr stands out; he’s extremely client-oriented, pragmatic and excellent at project management.
He played a key role in resolving the most complex and ambiguous issues, offering practical solutions when they were most needed.
Oleksandr Nikolaichyk plays a leading role in negotiating transaction documents. He demonstrates strong expertise as well as a pragmatic and business-oriented approach to transactions.
Oleksandr Nikolaichyk is a great co-managing partner who caters the best service to us as a client.
Oleksandr stands out; he’s extremely client-oriented, pragmatic and excellent at project management.
He played a key role in resolving the most complex and ambiguous issues, offering practical solutions when they were most needed.
27 items provided by Sayenko Kharenko
Sayenko Kharenko advises Kyivstar on the acquisition of Shtorm
Sayenko Kharenko has acted as legal counsel to Kyivstar in its acquisition of ISP Shtorm LLC, a regional internet service provider operating under the brand name Shtorm.
Sayenko Kharenko advises shareholders on landmark sale of Bank Lviv to Crédit Agricole Ukraine
Sayenko Kharenko acted as legal counsel to the shareholders of Bank Lviv during the preparation, negotiation and signing of a share purchase agreement for up to 100% of the shares in JSC Bank Lviv in favour of JSC Crédit Agricole Bank (Ukraine).
Sayenko Kharenko – counsel for a unique reverse merger between Piraeus Bank and Financial Holding
Sayenko Kharenko acted as Ukrainian legal counsel to the largest bank in Greece, Piraeus Bank, in a complex cross-border reverse merger transaction with its parent company, Piraeus Financial Holdings S.A. (PFH).
Sayenko Kharenko advises IFC on landmark investment in Ukraine’s insurance sector
Sayenko Kharenko is acting as Ukrainian legal counsel to International Finance Corporation (IFC) on its proposed equity investment of up to 20% in two Ukrainian insurance companies – Kniazha and USG, both of which form part of Vienna Insurance Group (VIG)
Sayenko Kharenko advises PortfoLion Capital Partners on the EUR 30 million investment in GymBeam
Sayenko Kharenko has acted as Ukrainian legal counsel to PortfoLion Capital Partners on its co-investment with the European Bank for Reconstruction and Development (EBRD) in GymBeam, one of the fastest-growing fitness and healthy nutrition companies in Europe.
First Ukrainian Company on NASDAQ: Sayenko Kharenko Advises on Landmark Kyivstar Listing
Sayenko Kharenko is proud to have acted as sole Ukrainian legal advisor to the Kyivstar Group in the business combination with Cohen Circle Acquisition Corp. I, leading to the historic listing of the Kyivstar Group on the NASDAQ Stock Market in the United States.
Sayenko Kharenko helps WWF-Ukraine expand its impact on nature restoration in Ukraine
Sayenko Kharenko’s team has successfully implemented a project to enhance corporate governance for the Public Union “World Wide Fund for Nature Ukraine” (WWF-Ukraine) by improving the organisation’s flexibility and effectiveness in implementing environmental initiatives.
Sayenko Kharenko advises Goldman Sachs Asset Management on the acquisition of Cprime
Sayenko Kharenko has acted as Ukrainian legal counsel to Goldman Sachs Asset Management in connection with the acquisition of Cprime. Cprime is an industry-leading, full-service global consulting firm focusing on providing integrated and innovative solutions
Sayenko Kharenko signed the UN Global Compact Memorandum on joint anti-corruption actions in Ukraine
Sayenko Kharenko’s partner Oleksandr Nikolaichyk signed the Memorandum on joint anti-corruption actions in Ukraine at the UN Global Compact Ukraine event “Business Integrity in Wartime: Realities and Prospects” on 8 December 2022 in Kyiv.
Sayenko Kharenko advises AIR on its acquisition of Scalelab
Sayenko Kharenko has acted as legal counsel to AIR Media-Tech (“AIR”) with respect to the acquisition of the entire shareholding in Scalelab. The transaction is a part of AIR’s strategy of creating the largest creators ecosystem globally.
Sayenko Kharenko advises Intellias on the acquisition of Digitally Inspired
Sayenko Kharenko has acted as legal counsel for Intellias, a global software engineering and digital consulting company, in connection with acquisition of Digitally Inspired, a UK based peer, focusing on the Retail and eCommerce industry.
Sayenko Kharenko advises on sale of Helsi to Kyivstar
Sayenko Kharenko has acted as legal counsel to the shareholders and management of LLC “Helsi Ukraine” (“Helsi”), the leading digital health care provider in Ukraine, with respect to the sale of a controlling stake in Helsi to PrJSC “Kyivstar” (“Kyivstar”) and creation of a joint venture.
Sayenko Kharenko advises on disposal of Ukrainian lithium projects to European Lithium Limited
Sayenko Kharenko has acted as legal counsel to Millstone Group in relation to the acquisition of the entire shareholding in European Lithium Ukraine LLC (the Company) by European Lithium Limited (EUR), and Millstone Group’s subsequent investment into EUR.
Sayenko Kharenko advises Elementum Energy on acquisition of a stake in the Lymanska WPP project
Sayenko Kharenko has acted as Ukrainian legal counsel to Elementum Energy Limited on the acquisition of a majority stake in Lymanska Vitroelektrostantsiia LLC from Ukraine Power Resources. Lymanska Vitroelektrostantsiia LLC is a project company that is developing a wind park exceeding 100 MW.
Sayenko Kharenko advises Nordcurrent on acquisition of Ukrainian game development company in Dnipro
Sayenko Kharenko has acted as Ukrainian legal counsel to Nordcurrent, one of the largest video game developers and publishers in Lithuania, providing extensive transactional support on the acquisition of Ukrainian game development company.
Sayenko Kharenko advises Avenga on the acquisition of Perfectial Group
Sayenko Kharenko has acted as Ukrainian legal counsel to Avenga, an international IT and digital transformation technology group, in connection with the acquisition of Perfectial Group.
Sayenko Kharenko helps a global top-tier gaming company Yolo Group enter Ukrainian market
Sayenko Kharenko acted as a ‘one-stop shop’ legal advisor to the global top-tier gaming company Yolo Group in connection to its entering Ukrainian market.
Sayenko Kharenko assists Bel Group with completion of transaction
Sayenko Kharenko has acted as legal counsel to Bel Group with respect to the completion of the disposal of its entire shareholding in PrJSC “Bel Shostka Ukraine” (“Bel Shostka”) to Lactalis.
Sayenko Kharenko advises Treeum on the sale of its controlling stake to Dragon Capital
Sayenko Kharenko has advised the Treeum group (“Treeum”) and its shareholders on the sale of the group’s controlling stake to Dragon Capital New Ukraine Fund L.P, a private equity fund managed by Dragon Capital.
Sayenko Kharenko advises Elementum Energy on a buy-out of its joint venture partner
Sayenko Kharenko has acted as the Ukrainian legal counsel to Elementum Energy Limited, a subsidiary of VR Capital focused on investments into renewable energy, on a buy-out of the minority stake of its partner Volterra Energy Group in a joint venture company.
Sayenko Kharenko advises on sale of Ukrainian railway operator to Glencore
Sayenko Kharenko has acted as legal counsel to Myrwayton Holding Limited in relation to the sale of railway operator to Renaisco B.V., a subsidiary of Glencore Agriculture.
Sayenko Kharenko advises Orexim on the sale of leading port terminal to Glencore Agriculture Limited
Sayenko Kharenko advises Orexim Group (Orexim), a major Ukrainian logistics group, on the sale of a port terminal “Everi” (Everi) to Renaisco B.V., a subsidiary of Glencore Agriculture Limited.
Sayenko Kharenko advised Orexim on USD 36 million financing
Sayenko Kharenko has advised Orexim Group (Orexim) on a secured USD 36 million financing provided by Export-Import Bank of Korea (KEXIM) to Grain Terminal Holdings, a Singapore-based joint venture between Posco International and Orexim.
Sayenko Kharenko advises Dobrobut on acquisition of Doctor Sam healthcare network
Sayenko Kharenko acted as а legal counsel to the leader of the Ukrainian healthcare industry Dobrobut and its shareholders with respect to the acquisition of medical network operating three clinics in Kyiv under the brand name “Doctor Sam” (“Doctor Sam”).
Sayenko Kharenko advises on disposal of majority stake in Luxoptica Group and creation of JV
Sayenko Kharenko has acted as legal counsel to OH Holding Limited in relation to the sale of a 51 per cent stake in the Luxoptica group of companies (Luxoptica Group) and the creation of a joint venture with Essilor Nederland Holding B.V., a subsidiary of EssilorLuxottica, the world’s largest manufa
Sayenko Kharenko advices the largest impact-investment pioneer project in Ukraine
Sayenko Kharenko has acted as legal counsel to Promprylad.Renovation, the largest impact-investment enterprise in Ukraine.
Sayenko Kharenko advises world’s largest food packaging manufacturer on investment project
Sayenko Kharenko has acted as legal advisor to Huhtamaki Foodservice Ukraine (the “Company”), a subsidiary of the world’s largest packaging manufacturer in the foodservice segment – Huhtamaki Oyj, in connection with the launch of production in Ukraine.
Sayenko Kharenko advises Kyivstar on the acquisition of Shtorm
Sayenko Kharenko has acted as legal counsel to Kyivstar in its acquisition of ISP Shtorm LLC, a regional internet service provider operating under the brand name Shtorm.
Sayenko Kharenko advises shareholders on landmark sale of Bank Lviv to Crédit Agricole Ukraine
Sayenko Kharenko acted as legal counsel to the shareholders of Bank Lviv during the preparation, negotiation and signing of a share purchase agreement for up to 100% of the shares in JSC Bank Lviv in favour of JSC Crédit Agricole Bank (Ukraine).
Sayenko Kharenko – counsel for a unique reverse merger between Piraeus Bank and Financial Holding
Sayenko Kharenko acted as Ukrainian legal counsel to the largest bank in Greece, Piraeus Bank, in a complex cross-border reverse merger transaction with its parent company, Piraeus Financial Holdings S.A. (PFH).
Sayenko Kharenko advises IFC on landmark investment in Ukraine’s insurance sector
Sayenko Kharenko is acting as Ukrainian legal counsel to International Finance Corporation (IFC) on its proposed equity investment of up to 20% in two Ukrainian insurance companies – Kniazha and USG, both of which form part of Vienna Insurance Group (VIG)
Sayenko Kharenko advises PortfoLion Capital Partners on the EUR 30 million investment in GymBeam
Sayenko Kharenko has acted as Ukrainian legal counsel to PortfoLion Capital Partners on its co-investment with the European Bank for Reconstruction and Development (EBRD) in GymBeam, one of the fastest-growing fitness and healthy nutrition companies in Europe.
First Ukrainian Company on NASDAQ: Sayenko Kharenko Advises on Landmark Kyivstar Listing
Sayenko Kharenko is proud to have acted as sole Ukrainian legal advisor to the Kyivstar Group in the business combination with Cohen Circle Acquisition Corp. I, leading to the historic listing of the Kyivstar Group on the NASDAQ Stock Market in the United States.
Sayenko Kharenko helps WWF-Ukraine expand its impact on nature restoration in Ukraine
Sayenko Kharenko’s team has successfully implemented a project to enhance corporate governance for the Public Union “World Wide Fund for Nature Ukraine” (WWF-Ukraine) by improving the organisation’s flexibility and effectiveness in implementing environmental initiatives.
Sayenko Kharenko advises Goldman Sachs Asset Management on the acquisition of Cprime
Sayenko Kharenko has acted as Ukrainian legal counsel to Goldman Sachs Asset Management in connection with the acquisition of Cprime. Cprime is an industry-leading, full-service global consulting firm focusing on providing integrated and innovative solutions
Sayenko Kharenko signed the UN Global Compact Memorandum on joint anti-corruption actions in Ukraine
Sayenko Kharenko’s partner Oleksandr Nikolaichyk signed the Memorandum on joint anti-corruption actions in Ukraine at the UN Global Compact Ukraine event “Business Integrity in Wartime: Realities and Prospects” on 8 December 2022 in Kyiv.
Sayenko Kharenko advises AIR on its acquisition of Scalelab
Sayenko Kharenko has acted as legal counsel to AIR Media-Tech (“AIR”) with respect to the acquisition of the entire shareholding in Scalelab. The transaction is a part of AIR’s strategy of creating the largest creators ecosystem globally.
Sayenko Kharenko advises Intellias on the acquisition of Digitally Inspired
Sayenko Kharenko has acted as legal counsel for Intellias, a global software engineering and digital consulting company, in connection with acquisition of Digitally Inspired, a UK based peer, focusing on the Retail and eCommerce industry.
Sayenko Kharenko advises on sale of Helsi to Kyivstar
Sayenko Kharenko has acted as legal counsel to the shareholders and management of LLC “Helsi Ukraine” (“Helsi”), the leading digital health care provider in Ukraine, with respect to the sale of a controlling stake in Helsi to PrJSC “Kyivstar” (“Kyivstar”) and creation of a joint venture.
Sayenko Kharenko advises on disposal of Ukrainian lithium projects to European Lithium Limited
Sayenko Kharenko has acted as legal counsel to Millstone Group in relation to the acquisition of the entire shareholding in European Lithium Ukraine LLC (the Company) by European Lithium Limited (EUR), and Millstone Group’s subsequent investment into EUR.
Sayenko Kharenko advises Elementum Energy on acquisition of a stake in the Lymanska WPP project
Sayenko Kharenko has acted as Ukrainian legal counsel to Elementum Energy Limited on the acquisition of a majority stake in Lymanska Vitroelektrostantsiia LLC from Ukraine Power Resources. Lymanska Vitroelektrostantsiia LLC is a project company that is developing a wind park exceeding 100 MW.
Sayenko Kharenko advises Nordcurrent on acquisition of Ukrainian game development company in Dnipro
Sayenko Kharenko has acted as Ukrainian legal counsel to Nordcurrent, one of the largest video game developers and publishers in Lithuania, providing extensive transactional support on the acquisition of Ukrainian game development company.
Sayenko Kharenko advises Avenga on the acquisition of Perfectial Group
Sayenko Kharenko has acted as Ukrainian legal counsel to Avenga, an international IT and digital transformation technology group, in connection with the acquisition of Perfectial Group.
Sayenko Kharenko helps a global top-tier gaming company Yolo Group enter Ukrainian market
Sayenko Kharenko acted as a ‘one-stop shop’ legal advisor to the global top-tier gaming company Yolo Group in connection to its entering Ukrainian market.
Sayenko Kharenko assists Bel Group with completion of transaction
Sayenko Kharenko has acted as legal counsel to Bel Group with respect to the completion of the disposal of its entire shareholding in PrJSC “Bel Shostka Ukraine” (“Bel Shostka”) to Lactalis.
Sayenko Kharenko advises Treeum on the sale of its controlling stake to Dragon Capital
Sayenko Kharenko has advised the Treeum group (“Treeum”) and its shareholders on the sale of the group’s controlling stake to Dragon Capital New Ukraine Fund L.P, a private equity fund managed by Dragon Capital.
Sayenko Kharenko advises Elementum Energy on a buy-out of its joint venture partner
Sayenko Kharenko has acted as the Ukrainian legal counsel to Elementum Energy Limited, a subsidiary of VR Capital focused on investments into renewable energy, on a buy-out of the minority stake of its partner Volterra Energy Group in a joint venture company.
Sayenko Kharenko advises on sale of Ukrainian railway operator to Glencore
Sayenko Kharenko has acted as legal counsel to Myrwayton Holding Limited in relation to the sale of railway operator to Renaisco B.V., a subsidiary of Glencore Agriculture.
Sayenko Kharenko advises Orexim on the sale of leading port terminal to Glencore Agriculture Limited
Sayenko Kharenko advises Orexim Group (Orexim), a major Ukrainian logistics group, on the sale of a port terminal “Everi” (Everi) to Renaisco B.V., a subsidiary of Glencore Agriculture Limited.
Sayenko Kharenko advised Orexim on USD 36 million financing
Sayenko Kharenko has advised Orexim Group (Orexim) on a secured USD 36 million financing provided by Export-Import Bank of Korea (KEXIM) to Grain Terminal Holdings, a Singapore-based joint venture between Posco International and Orexim.
Sayenko Kharenko advises Dobrobut on acquisition of Doctor Sam healthcare network
Sayenko Kharenko acted as а legal counsel to the leader of the Ukrainian healthcare industry Dobrobut and its shareholders with respect to the acquisition of medical network operating three clinics in Kyiv under the brand name “Doctor Sam” (“Doctor Sam”).
Sayenko Kharenko advises on disposal of majority stake in Luxoptica Group and creation of JV
Sayenko Kharenko has acted as legal counsel to OH Holding Limited in relation to the sale of a 51 per cent stake in the Luxoptica group of companies (Luxoptica Group) and the creation of a joint venture with Essilor Nederland Holding B.V., a subsidiary of EssilorLuxottica, the world’s largest manufa
Sayenko Kharenko advices the largest impact-investment pioneer project in Ukraine
Sayenko Kharenko has acted as legal counsel to Promprylad.Renovation, the largest impact-investment enterprise in Ukraine.
Sayenko Kharenko advises world’s largest food packaging manufacturer on investment project
Sayenko Kharenko has acted as legal advisor to Huhtamaki Foodservice Ukraine (the “Company”), a subsidiary of the world’s largest packaging manufacturer in the foodservice segment – Huhtamaki Oyj, in connection with the launch of production in Ukraine.
Provided by Sayenko Kharenko
Agriculture and Agribusiness
Energy and Utilities
Transport
Retail and Consumer
Financial Services