Jacek Wiśniewski focuses his practice on mergers and acquisitions, banking, finance and corporate issues. Jacek is qualified as both an attorney at law (radca prawny) and a tax adviser (doradca podatkowy).

Jacek has considerable experience in advising multinational and Poland-based clients during company buyouts and transformations of commercial companies. Jacek also advises on banking and finance issues, including acquisition financing, financial intermediation, consumer finance (including consumer credit issues for non-banking cash loan firms) and leasing and sale and leaseback transactions. Jacek also advised PE/VC funds on LBO transactions.

Prior to joining Squire Patton Boggs, Jacek was a senior associate in the Warsaw office of another international law firm.

Jacek has spoken on the legal framework of distressed asset investment in Poland for US investors and lawyers at the invitation of the Consulate General of the Republic of Poland in New York.

In 2013 Jacek was elected a Member of the Circuit Disciplinary Court of the Circuit Chamber of Legal Advisors in Warsaw (Członek Okręgowego Sądu Dyscyplinarnego Okręgowej Izby Radców Prawnych w Warszawie) by the General Meeting of the Circuit Chamber of Legal Advisors in Warsaw.

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  • Advising a telecommunication operator from outside the EU on regulatory issues relating to payment services in Poland.
  • Advising one of Europe’s largest engineering consultancy firms on the sale of one of its subsidiaries in Poland to a group of managers.
  • Performing an audit of forms of security documents used by a leading Polish bank to ensure consistency and conformity with the latest legislation and jurisprudence.
  • Advising a Germany-based group of companies in the automotive sector on refinancing of overdraft and investment credit facilities in Poland.
  • Advising an independent, Germany-based and internationally operating service provider for the servicing of complex financial portfolios (acting as security agent) during restructuring of financing provided to a Germany-based group of companies by the bank syndicate.
  • Advising the leading global provider of electronic payment and transaction processing solutions, during several planned acquisitions in Poland.
  • Advising a US-based consumer finance company on the launch of its consumer finance operation (cash loans business) in Poland, including drafting of relevant documentation, regulatory (consumer credit) issues, followed by day-to-day advice for the Polish subsidiary.
  • Advising a multilateral financing institution on the financing of tram infrastructure assets for a municipally-owned transportation company.
  • Advising Autostrada Wielkopolska II S.A. (AWSA II), the project company for Poland’s A2 toll motorway Section II during negotiations with the General Director for National Roads and Motorways (GDDKiA) on the annex to the construction and operation agreement.
  • Advising an international renewable energy development and investment firm in the planned acquisition of a group of wind farms to be developed in central Poland.
  • Advising an international renewable energy development and investment firm in the sale (assignment) of project rights to a part of a wind farm to be developed in central Poland.
  • Advising a private equity fund on financing provided by a Polish bank for the acquisition of waste management company in Poland (LBO transaction).
  • Advising an international renewable power producer on the planned acquisition of shares in a special purpose vehicle (SPV) created for the purposes of development of a wind farm in central Poland.
  • Acting for one of the largest Internet, book and media retail companies in Europe during a pre-acquisition due diligence review of the Poland-based publishing house, Świat Książki.
  • Advising a UK-based investor on acquisition of a private label production company in Poland.
  • Advising an international DIY retail group on a real estate sale and leaseback transaction.
  • Advising the Polish branch of a Germany-based publisher on the acquisition of Kurier Lubelski, a newspaper in Poland.
  • Advising a Denmark-based client on the acquisition of a catering business in Poland.
  • Advising a worldwide supplier of fresh produce on a significant real estate leasing transaction related to a logistics center in Poland.


  • University of Warsaw, J.D., 2000


  • Chamber of Legal Advisors in Warsaw, 2008
  • National Chamber of Tax Advisers, 2004


  • Polish
  • English
  • French
  • Recommended as a corporate and M&A lawyer by Legal 500 EMEA 2013

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