Adrian Jonca > DWF Poland Jamka Sp.k > Warsaw, Poland > Lawyer Profile

DWF Poland Jamka Sp.k
WARSAW, 00-066

Work Department

Tax Law Department


Partner, Head of Tax Practice and German Group at DWF Poland


Adrian has many years of experience in practicing as a tax advisor to foreign companies in Poland. His main area of activity concerns tax litigation in a variety of tax matter areas during tax control proceedings and in courts, at trial and appellate levels. His experience includes negotiating, drafting and advising on a wide variety of commercial, infrastructure, leasing and M&A transactions in Poland; representing international and national clients in tax litigation matters and developing trial and pre-trial strategy; litigation activities including the representation of tax payers in VAT and CIT matters, capital duty disputes and other tax claims; and representation of management in employment litigation and related tax matters, including investigation of allegations of tax fraud or tax evasion. Adrian has also successfully conducted litigation in a variety of high-profile tax cases with regard to national and international tax issues and achieved favourable resolutions of complex, often challenging, cases, including almost a dozen rulings in which the settlement exceeded the claim value of € 10 million.


Polish, German


Tax Advisor – The Warsaw Bar Association
Editorial board of “Fiscal Monitor”, C.H. Beck Publishing, Warsaw


M.A., Economy, University of Düsseldorf, Germany

Lawyer Rankings

Poland > Tax

The Warsaw team at DWF Poland Jamka Sp.k is firmly integrated into the firm’s European tax practice, enabling it to assist local and overseas clients in relation to international tax issues, as well as Polish tax law. The group has an impressive standalone tax advisory offering, but is also called upon to assist with transactional tax issues. It is also knowledgeable in tax planning, restructuring mandates and transfer pricing. In addition, its lawyers have experience in tax litigation before the Polish tax authorities and administrative courts. Adrian Jonca heads the team and is the chair of the firm’s German practice group; he is an experienced tax litigator in cases involving VAT and corporate income tax. Senior associate Katarzyna Stec has impressive transactional and contentious tax experience, while Izabela Plis is a tax planning expert with additional knowledge of transfer pricing.