Asters, Ukraine’s largest full-service law firm, maintains an extensive competition law practice covering merger control, antitrust investigations, abuse of dominance, restrictive agreements, unfair competition, state aid and public procurement disputes. The firm regularly acts as Ukrainian competition counsel on major international transactions, including Boeing’s acquisition of Spirit AeroSystems, advising on Ukrainian merger clearance and communications with the Antimonopoly Committee of Ukraine (AMCU). Other disclosed mandates include obtaining or pursuing merger clearances for Bosch’s acquisition of Johnson Controls’ and Hitachi’s residential and light commercial HVAC businesses, AeroVironment’s acquisition of BlueHalo, the Stellantis–CATL battery joint venture, Kimberly-Clark’s acquisition of Kenvue, and Keurig Dr Pepper’s acquisition of JDE Peet’s. The team also advised on Ukrainian merger control aspects of the proposed acquisition of Warner Bros. Discovery by Paramount Skydance Corporation. Oleksii Pustovit rejoined Asters in April 2026 as Partner and Head of Competition/Antitrust, working alongside prominent personalities in professional community — Igor Svechkar and Oleksandr Voznyuk, Partners.

Sayenko Kharenko’s antitrust and competition practice is highly acclaimed for handling the most complex and high-profile competition matters. The team advises international corporations, private equity investors and Ukrainian businesses. In addition to merger control, in 2025 the team conducted a number of investigations; supported companies in the AMCU’s research on industry markets, including the pharmaceutical market and cement industry; provided consultations on compliance with competition law requirements. The firm’s recent transactional portfolio includes securing Ukrainian merger clearance for the combination of Saudi Arabia’s Public Investment Fund (PIF) and Electronic Arts, advising on the Ukrainian competition aspects of Bunge Limited’s acquisition of Viterra Limited, and assisting Berry Global and Amcor with merger control requirements arising from their global business combination. In the pharmaceutical sector, the team advised on Ukrainian merger control aspects of CapVest Partners’ acquisition of a majority stake in STADA from Bain Capital and Cinven, and Clayton, Dubilier & Rice’s acquisition of a controlling stake in Sanofi’s consumer healthcare business. The practice also handles complex merger filings involving international investment structures and coordinates Ukrainian regulatory clearances within multijurisdictional transactions. The team is led by Partners Volodymyr Sayenko, Valentyna Hvozd and Maksym Nazarenko. Counsel Igor Pomaz focuses in merger control work.

Founded in November 2024 by former Aequo competition and dispute resolution experts BONO LEGAL is deeply specialising in arbitration and litigation, antitrust and competition law, as well as commercial and regulatory matters. the team advised obtained a merger clearance for acquisition by Taistra of the business of the Volyn-based Salut food retail chain; represented Iute Group, a European digital-first banking group, before the AMCU in its acquisition of a bridge bank established in the process of RwS Bank market withdrawal. Also represented CMA CGM and AVTEK Group before AMC. the team as lead by partner Sergiy Denisenko, include counsel Yevgen Blok and senior associate Anna Litvinova.

Ilyashev & Partners has one of the most established and active antitrust and competition practices in Ukraine, combining deep regulatory expertise with strong litigation capabilities. The firm represented KMO LLC, a Ukrainian fuel briquette manufacturer, before the Antimonopoly Committee of Ukraine in proceedings concerning alleged abuse of dominance by Vinnytsiaoblenergo in the electricity grid connection market, Also advised COFCO Agri Ukraine on a series of complex and multi-layered information requests issued by the Antimonopoly Committee of Ukraine (AMCU) to several companies within the group, including entities operating in the grain trading and port infrastructure sectors; and represents Ligna Ukraine LLC, a manufacturer of forestry marking and measuring equipment, in an AMCU investigation into alleged bid-rigging in a public procurement procedure conducted by Forests of Ukraine. In procurement litigation, the team advises Home-Net LLC on challenges to the rejection of bids in State Customs Service telecommunications tenders. For UkrMed, the firm addressed procedural irregularities in procurement of 27 CT scanners for the Ministry of Health. The practice is headed by Oleksandr Fefelov, Partner, who specialises in competition regulation, merger control and AMCU proceedings. Oleksandr Denysenko, Counsel, focusing on competition litigation.

Kinstellar advises multinational corporations, private equity investors and Ukrainian businesses on merger control, competition compliance, regulatory clearances and public procurement matters. The practice has particular experience coordinating Ukrainian competition law requirements within complex international transactions. The firm advised Orbico d.o.o., a Croatian distribution group, on securing Ukrainian merger control clearance for a transaction involving the Dockers brand. Also advised Orbico Group on the phased acquisition of a controlling interest in SAV ORBICO, a major Ukrainian distributor of branded food and non-food products. Olena Kuchynska, Partner, advises on competition aspects of M&A transactions, while Yulia Eismont, Counsel, specialises in competition law and state aid. Olena Tsygulska, Associate, supports merger control filings and regulatory proceedings. Respected expert Olexander Martinenko, left the firm.

Ukrainian law firm NOBLES advises clients on compliance, abuse of dominance, cartels, merger clearance, state aid, and unfair competition, while also addressing complex cases at the intersection of competition and intellectual property. The client portfolio spans agriculture, food and beverages, infrastructure, logistics, pharmaceuticals, and retail. In 2025, the team handled AMCU permits for concentrations and concerted actions, assisted clients with market inquiries, and provided counsel on unfair competition and potential challenges to AMCU decisions. For example, the firm represented AGRO LV, an agricultural company with international investments operating in Western Ukraine, on obtaining the AMCU approval for purchase of one of the biggest elevator complexes in Lviv Region. The team consistently advises MHP on unfair competition compliance. Oleksandr Aleksyeyenko, Partner and Head of Competition and Antitrust, leads the practice, with particular expertise in merger control, regulatory investigations and competition disputes.

Redcliffe Partners advises multinational corporations, private equity investors and Ukrainian businesses on merger control, competition compliance, complex acquisitions and regulatory proceedings before the Antimonopoly Committee of Ukraine (AMCU). The practice is particularly active in coordinating Ukrainian competition clearances for major international transactions involving multiple jurisdictions and overlapping markets. The firm advised Carlyle Group Inc. on securing Ukrainian merger clearance for its acquisition of BASF’s automotive coatings business, as part of a transaction valued at approximately EUR 7.7 billion. Also advised Tata Motors Limited and Iveco Group N.V. on Ukrainian merger clearance for Tata Motors’ proposed acquisition of Iveco’s commercial vehicles business. In financial technology, the firm advised Mitsubishi Corporation and Ayala Corporation on obtaining AMCU clearance for Mitsubishi’s acquisition of joint control over AC Ventures Holding Corp., an investment holding company with an interest in the group behind the Philippine digital financial services platform GCash. The practice is co-headed by Partners Anastasia Usova and Denys Medvediev. In early 2026, Yuriy Terentyev left the firm and was appointed general counsel of CRH Ukraine.

Ukrainian law firm ADER HABER is rapidly expanding its antitrust and competition practice, advises major Ukrainian businesses and international investors on merger control, antitrust investigations, competition compliance, public procurement disputes and proceedings before the Antimonopoly Committee of Ukraine (AMCU). The firm represents Dragon Capital in several significant competition matters, including an investigation concerning the acquisition of control over Kyiv Motorcycle Plant without prior merger clearance. Also advises Dragon Capital on obtaining AMCU approval for establishing, together with Amber Infrastructure Limited, an investment fund targeting Ukrainian infrastructure projects. In public procurement, the team successfully represented USA DENIMEX Inc. in challenging a tender conducted by a state oil and gas company, securing cancellation of the procurement results after establishing the winning bidder’s non-compliance with tender restrictions. The practice is led by Oleksandra Fedotova, Partner, with Iaroslava Lahan, Senior Associate, playing a key role in competition proceedings.

ADVANQ specializes in complex competition law and public procurement matters, particularly cases where legal assessment requires an understanding of market economics, the conduct of market participants and the regulatory environment. The team represents businesses in matters concerning merger control, abuse of dominance, anticompetitive concerted actions and challenges to decisions of the Antimonopoly Committee of Ukraine. A separate area of the practice is advising on procurement for defence and infrastructure needs, from participation in procurement procedures and challenging their outcomes to the performance of state contracts. Key projects include successfully challenging a UAH 37.3 million AMCU fine in a merger control case, as well as defending a major packaging manufacturer in proceedings where ADVANQ secured the annulment of a UAH 21.3 million AMCU fine. The competition law practice is headed by partner Oleh Tarasiuk, with managing partner Sergii Vasylyshyn also being a key member of the team. The public procurement practice is headed by partners Olga Gonchar and Daria Kotova.

Ante Law Firm public procurement work centres on suppliers of medical equipment and services to public hospitals and on aviation-sector competition matters. The firm supports clients through the full tender cycle on Prozorro — analysis of tender documentation, legal approval of draft contracts, qualification risks — and represents bidders before the AMCU’s procurement complaints commission. Managing partner Andriy Guck is distinguished for his specialist expertise in aviation and pharmaceuticals issues.

ANTIKA Law Firm advises businesses on competition regulation, antimonopoly investigations, public procurement and government contracting, with a growing concentration on defense and infrastructure procurement. The firm represents clients in disputes challenging decisions of the Antimonopoly Committee of Ukraine and provides legal support throughout procurement procedures, from bid documentation to contract execution and subsequent amendments.Defense procurement constitutes a substantial part of its recent portfolio, including contract restructuring, delivery extensions and regulatory compliance for specialized military products. The senior team includes Oleksander Tretiakov and Mykhailo Voitsekhovskyi. Dr. Oleksii Kot provides strategic oversight.

Dentons advises on merger control, competition compliance, regulatory investigations and competition-related aspects of major corporate transactions. Its competition practice is closely integrated with the firm’s cross-border M&A work, allowing the Kyiv team to coordinate Ukrainian merger clearance and regulatory assessments within international acquisitions. Recent mandates include competition advice in connection with the sale of a major Ukrainian telecommunications business, investments in online recruitment platforms. The team also handles competition issues arising in the financial services and industrial sectors. Volodymyr Monastyrskyy leads the competition practice, supported by with significant input from Evgenia Prudko, senior associate.

EVERLEGAL covers merger notifications, preliminary rulings, competition assessments of corporate transactions, antitrust investigations and challenges to regulatory decisions before Ukrainian courts. During the research period, the firm handled more than ten merger control matters involving renewable energy, financial services, real estate, pharmaceuticals, logistics, technology, agriculture and healthcare. Its transactional work includes competition assessments and regulatory approval procedures for renewable energy acquisitions and joint ventures, as well as corporate restructurings and investment transactions involving several jurisdictions. The practice is co-led by Yevheniy Deyneko, Managing Partner, who focuses on the competition aspects of M&A and investments, and Yaroslav Medvediev, Counsel, who specialises in merger control, competition investigations, regulatory advice and competition litigation.

LA Law Firm has a competition practice with a pronounced focus on the pharmaceutical and life sciences sectors, where antitrust compliance intersects with pricing, distribution, marketing and regulatory requirements. The firm advises manufacturers, distributors and other market participants on competition risks arising from commercial arrangements and interactions with healthcare institutions. Its expertise includes the assessment of distribution models, promotional practices, contractual restrictions and regulatory initiatives affecting market access. The firm’s client base includes international pharmaceutical companies such as Abbott, Dr. Reddy’s Laboratories and GlaxoSmithKline. The antitrust and competition practice is led by Andrii Gorbatenko, partner.

EY Ukraine has a public procurement, infrastructure and public-private partnership practice advising public authorities, investors and international financial institutions on major infrastructure projects and regulatory reform. The team supports projects from feasibility studies and transaction structuring through tender documentation, competitive selection and contract negotiations. Bogdan Malniev, Associate Partner, leads this track.

KPMG Law Ukraine advises domestic and international businesses on merger control, concerted practices, competition compliance and regulatory matters involving the Antimonopoly Committee of Ukraine. Its services include obtaining merger clearances, assessing potentially restrictive contractual provisions, supporting public procurement procedures and developing antitrust compliance programmes. The practice serves clients in retail, investment and real estate, including Pluralis B.V. The team combines competition law advice with transactional and regulatory expertise, particularly where acquisitions require assessment of control, market concentration and regulatory approvals. Nataliia Shyshkovska, Senior Counsel, leads the antitrust and FDI practice under the overall supervision of Yuriy Katser, Partner.

LCF Law Group advises Ukrainian and international businesses on merger control, competition compliance and regulatory matters arising from corporate transactions. The practice covers merger notifications, assessment of concentration risks, competition-related contractual arrangements and interaction with the Antimonopoly Committee of Ukraine. Sergiy Benedysiuk, Partner and Head of Corporate, M&A and Antitrust, leads the practice.

Gramatskiy & Partners advises Ukrainian and international businesses on competition compliance, merger control, distribution arrangements, proceedings before the Antimonopoly Committee of Ukraine, public procurement procedures, tender documentation, bid challenges and contractual risk management. The firm advised SmartTender LLC on an antitrust review of the participation rules governing its electronic auction platform. For MGT Black Sea LLC, the team conducted a preliminary merger control assessment relating to the proposed acquisition of a regional grain elevator, including financial threshold calculations and market share analysis. Also advised VITAGRO on procurement documentation and contractual arrangements for the design and construction of an agricultural logistics facility; and assisted GRAAL LLC in challenging discriminatory conditions in a multilot construction procurement. The practice draws on the expertise of Borys Karas, Volodymyr Dziadevych, Igor Reutov, Igor Kasianov, Andrii Trembich. Ernest Gramatskiy oversees strategic mandates.

Lexwell & Partners advises major industrial and agricultural businesses on merger control, competition compliance and disputes involving the Antimonopoly Committee of Ukraine (AMCU). Its recent work has focused on complex transactions in the construction materials sector, including the implementation of structural and behavioural remedies imposed in connection with a major cement industry acquisition valued at more than EUR 100 million. The firm also advised on merger clearance for the sale of a minority interest in a cement business, addressing competition-sensitive governance rights and control thresholds, and supported the restructuring of a major agricultural group. Andrei Kolupaev leads the practice.

MK Legal Service advises technology companies and other businesses on public procurement, competition compliance and challenges to procurement decisions. Its practice is particularly active in tenders for telecommunications, cloud infrastructure and IT services supplied to public-sector customers. In 2025, the firm`s mandates include assisting a telecommunications provider in securing a state-property lease through a competitive procedure and supporting successful bids for technology services commissioned by public authorities. The practice also covers tender documentation, administrative challenges, competition risk assessments and proceedings before the Antimonopoly Committee. Maksym Kurochko and Artem Ostapenko are the main contacts.

Skrebets & Partners has a public procurement and regulatory disputes practice representing municipal authorities and public utilities in challenges to procurement monitoring findings, audit demands and attempts to invalidate tender decisions and contracts. The team advises clients throughout administrative and judicial proceedings, combining public procurement law with experience in public financial control. Its recent portfolio includes representing Kharkiv Metro in proceedings challenging conclusions issued by the State Audit Service following procurement monitoring. The firm also represents Kharkivzelenbud, the municipal landscaping enterprise, in disputes concerning the validity of tender committee decisions and procurement contracts, as well as challenges to financial claims arising from audit findings. Anton Martynenko, Junior Partner, leads the practice.

Established in 2025, Truman Legal and operates at the intersection of legal consultancy, regulatory support and government relations. The team advised Ukrainian and international companies on competition law, merger control, antitrust investigations and regulatory compliance. The practice combines antitrust advice with corporate structuring and regulatory strategy, particularly for businesses operating in highly regulated markets. Denys Dutchak, Partner and Head of Corporate, M&A and Antitrust, left the firm.

Wolf Theiss has a transaction-oriented competition practice focusing on merger control, competition due diligence and regulatory clearance for international M&A transactions. The firm regularly coordinates multijurisdictional competition assessments through its regional network, particularly in transactions involving industrial manufacturing, food ingredients and technology. Olga Ivlyeva, Senior Associate, heads the practice.

Our market research highlights law firms and specialists who, despite not having provided information for this study, remain prominent market players. Information obtained from public sources and recommendations from the professional community emphasize the firm’s market presence.
The firms marked with an asterisk (*) have not submitted information for the current research.

AEQUO’s* antitrust and competition practice excels in merger control, investigations, regulatory guidance, compliance, and unfair competition matters. Core practitioner Mariya Nizhnik focuses on representing clients in competition investigations.

Arzinger* has a well-established reputation in antitrust and competition law, advising clients on merger control, unfair competition, antitrust litigation, and compliance, with historically strong presence in the life sciences sector.

AVELLUM* is a preferred choice for merger clearance mandates as well as antitrust investigations and state aid & competition litigation. Partner Mykyta Nota heads the practice.

A preferred legal counsel for multinational companies, Baker McKenzie* handles merger control proceedings in Ukraine, collaborating with its global offices on major cross-border transactions. International businesses instruct the office to handle issues which may arise when dealing with distributors in Ukraine, and competition compliance applicable to their business operations. The practice is led by partner Oksana Simonova.

The competition law boutique-firm CLACIS* has well-rounded expertise in subsequent advisory, acting on merger control, regulatory and compliance, competition investigations, market entries and distribution structure. Managing partner Antonina Yaholnyk is endorsed for her exceptional knowledge of European competition practice and long-term commitment to competition practice.

IMPACTA LAW* (until December 2025, the team operated under the INTEGRITES brand) advises on merger clearances, supports sector inquiries and investigations by the competition regulator, handling unfair competition cases, ensuring compliance and challenging public procurement outcomes.

Galyna Zagorodniuk, partner at established in 2024 Imagine Lawyers*, enjoys market praise for both her expertise and exceptional professional reputation.