ADER HABER
Yuriy Petrenko
Founded in 2006, ADER HABER is a leading Ukrainian law firm with an international outlook, ranked among the TOP 4 leading law firms in Ukraine, offering a full range of legal services.
The company holds a strong leading position in corporate, tax, employment, and banking law, government relations, business security, energy, real estate and construction, agricultural practice, bankruptcy, criminal law, and dispute resolution.
The ADER HABER team has extensive experience working with the EBRD, USAID, the World Bank Group, and other international organizations and donors, including legal support for grant and donor-funded projects. The firm's lawyers work with contracts governed by foreign law (including EU law) and support complex contract negotiations with international partners.
With 20 years of successful work with leading foreign and local companies, state-owned enterprises, public sector bodies, investors, financial institutions, and private clients, ADER HABER's lawyers represent the interests of flagship national and international corporations before Ukrainian courts of all instances, as well as before leading international arbitration institutions.
ADER HABER's client portfolio includes hundreds of clients, among them Fortune Global 500 corporations, state-owned enterprises, and leading international and Ukrainian financial institutions, including BNP Paribas, Crédit Agricole Group, Universal Bank, Monobank, Sense Bank, Oschadbank, PrivatBank, Ukrgasbank, Piraeus Bank, and Unex Bank.
In addition to the services covered by the firm's practice areas and specializations, ADER HABER advises on matters that have become pressing due to the Russian Federation's armed aggression, including business relocation, asset protection and recovery, restructuring of credit obligations, taxation and insurance under martial law, employment law issues, mobilization, and migration.
ADER HABER's attorneys also conduct analytical and practical work on business operations under force majeure circumstances and on Ukraine's post-war reconstruction.
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Members' News
ADER HABER Launches Banking & Finance, Capital Markets, and Insurance Practice under the Leadership of Prominent Finance Lawyer Ihor Olekhov
From Asset Freeze to Debtor Liquidation: ADER HABER Protected JSC Ukrnafta's Claims Worth UAH 14.5 Billion
The ADER HABER Team Prevented the Application of 24-Hour House Arrest to the Top Management of a Critical Infrastructure Enterprise
ADER HABER Defended LLC "Karpaty Mineral Waters" before the AMCU in a Case Concerning Product Labeling
ADER HABER in the TOP 4 Law Firms in Ukraine: Recognition of the Firm’s Expertise Based on the 2025 Results
ADER HABER Successfully Defended Sense Bank in International Commercial Arbitration for $5.9 Million
The First Officially Registered Lobbyists in the NACP Transparency Register – ADER HABER Government Affairs
ADER HABER Strengthens Expertise in the Field of Business Security: Denys Ovcharov Joins the Partnership
ADER HABER Lawyers Successfully Completed a Legal Dispute for Over UAH 2 Billion in Favor of PJSC "Ukrnafta"
ADER HABER Law Firm Successfully Defends Client's Interests in LMAA Arbitration Regarding Return of Seagoing Vessel
ADER HABER Lawyers Secured Unconditional Permission from the Antimonopoly Committee of Ukraine for the Concentration
ADER HABER Lawyers Successfully Defended the Interests of JSC "UKRTATNAFTA" in the Supreme Court in a Dispute for UAH 1.6 Billion
ADER HABER Lawyers Successfully Defended the Interests of One of the Largest Mineral Water Producers in Ukraine in a Dispute Regarding "Parasitic Marketing"
ADER HABER Has Another Successful Case in the Supreme Court to Protect the Interests of a Critical Infrastructure Company
ADER HABER legal team won the right for "UKRNAFTOBURINYNA" to resume gas production at the Sakhalin field
ADER HABER Law Firm Successfully Defended the Interests of an International Leader in the Field of Food and Agricultural Technologies
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