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Rafał Sieński

Rafał Sieński focuses his practice on commercial and civil law, with an emphasis on public offerings of equity and debt securities on Polish and international capital markets as well as on M&A and restructuring transactions.


  • Capital markets
  • Securities
  • Corporate finance




  • Represented Silvair Inc. in connection with its initial public offering of shares and their admission to trading on the regulated market operated by the Warsaw Stock Exchange. It is the first IPO in history where the shares of an issuer from the U.S. were listed solely on the regulated market of the WSE.
  • Represented Goldman Sachs International, through its affiliate Bricks Acquisition Limited, in a PLN 1 billion tender offer for 100% of shares in ROBYG S.A.
  • Represented J.P. Morgan, Pekao Investment Banking S.A., UniCredit Bank AG London branch and IPOPEMA Securities S.A. in connection with the IPO and the admission of the shares of X-Trade Brokers Dom Maklerski S.A. to trading on the Main Market of the WSE.
  • Represented Pfleiderer Grajewo and Atlantik in the re-IPO of the restructured Pfleiderer Group on the WSE. The value of the offering was PLN 362 million.
  • Represented WIRTUALNA POLSKA HOLDING S.A. and its selling shareholder, European Media Holding S.à r.l. - an entity controlled by the private equity fund Innova Capital, on the initial public offering of shares and listing on the WSE.
  • Represented Energa S.A. in its PLN 2.4 billion IPO on the WSE.
  • Advised ZE PAK in connection with its USD 220 million IPO on the WSE.
  • Represented PZU S.A. in its PLN 8 billion IPO on the WSE.°
  • Represented Citigroup, Deutsche Bank, ING and Dom Maklerski BZ WBK in a domestic and international offering, through an accelerated bookbuilding, of the Polish Treasury’s shares in the listed KGHM Polska Miedź S.A.°
  • Advised the underwriters (UniCredit Bank AG, UniCredit CAIB and Concorde Capital) in connection with the proposed IPO of shares of GEO ALLIANCE OIL-GAS Public Ltd on the WSE.°
  • Represented PGE Polska Grupa Energetyczna S.A. in its approx. PLN 6 billion IPO on the WSE.°
  • Advised Credit Suisse, Concorde and DiBRE in the proposed IPO of ViOil Holding S.A. on the WSE.°
  • Advised CEDC on public offerings of shares in Poland and in the United States.°
  • Represented ASBISc Enterprises plc in its listing and IPO on the WSE.°
  • Represented J.W.Construction Holding S.A. in its listing and IPO on the WSE.°
  • Advised ING Securities, acting as the offering agent, on the sale of a large stake in ING Bank Śląski by ING Bank.°
  • Participated in the transaction regarding the sale of a block of GTC S.A. shares by Bank Handlowy w Warszawie S.A.°
  • Participated in transactions regarding acquisition and merger of large public companies from the banking sector, as well as introducing the companies to the WSE.°
  • Represented Bank Pocztowy in connection with the first issue of the Bank’s bonds, part of the public bond issuance program for individual investors with an aggregated value amounting to PLN 1 billion.
  • Represented Energa S.A. in the process of having PLN 1 billion Series A bonds admitted to trading on the regulated market Catalyst.
  • Represented Penta Investments Ltd., a shareholder of Empik Media & Fashion, in connection with the refinancing of EMF’s PLN 1.2 billion debt. The transaction included offering of EMF’s PLN 128.8 million unsecured bearer bonds and EUR 38 million unsecured registered bonds, a mezzanine loan in the amount of approx. EUR 25 million and amendments of credit facility and intercreditor agreements.
  • Advised J.P. Morgan Securities Ltd. and Nomura International plcon the proposed €250 million high-yield bond offering by PBG Finance AB, a special purpose company established by PBG.
  • Advised Eileme 1 AB in the offering of $201 million PIK Notes.°
  • Advised Spartan Capital Holdings and Eileme 2 AB in connection with the offering of €542 million Senior Notes and $500 million Senior Notes.°
  • Advised Cyfrowy Polsat S.A. on its €350 million High Yield Bond offering.°
  • Advised CEDC on a €380 million and $380 million debt offering.°
  • Advised CEDC on introducing its shares to the WSE and on the Polish law aspects of its High Yield Bond offering to help finance the acquisition of Polmos Białystok S.A. from the Polish State Treasury, advised CEDC with regard to Polish law in connection with its listing on the WSE.°
  • Advised Marvipol S.A. on its convertible bond issue (mezzanine finance) in connection with a PRE IPO financing.°
  • Assisted Polish non-financial and financial institutions with debt and equity offerings, including TP S.A. on its $1 billion bond issue on international markets to increase the value of its EMTN Program and a private debt placement for the amount of €500 million, Bank Przemyslowo Handlowy PBK S.A. on the launch of its PLN 8 billion bond issue, and Bank Pekao S.A. on its PLN 1 billion share issue.°

  • Represented Venture Fundusz Inwestycyjny Zamknięty, managed by TFI Trigon S.A., in relation to its Series A Investment in Seed Labs Inc., a Delaware corporation.
  • Represented Pfleiderer Grajewo and Atlantik in connection with the cross-border reorganization (reverse takeover) of the Pfleiderer Group, where Pfleiderer GmbH.was acquired by Pfleiderer Grajewo S.A. with the proceeds from the public offering of shares in Pfleiderer Grajewo S.A. The total value of the Transaction amounts to approximately PLN 744 million.
  • Represented Cyfrowy Polsat S.A. in connection with all aspects of the acquisition of Polkomtel sp. z o.o. which included (i) negotiating agreements with existing shareholders, (ii) issuing of Cyfrowy Polsat’s new shares and their admission on the WSE, as well as (iii) refinancing of the existing indebtedness of the Cyfrowy Polsat and Polkomtel capital group (Senior Notes, PIK Notes and Senior Facilities). The value of the transaction was PLN 6.15 billion.
  • Advised BSH Bosch und Siemens on a public tender announced to purchase 100% of Zelmer S.A. share capital, followed by a squeeze-out of minority shareholders and the delisting of Zelmer from the Warsaw Stock Exchange.
  • Advised envia Mitteldeutsche Energie AG on the indirect sale of a controlling interest in EC „Będzin” S.A.
  • Advised on introducing the shares of IVAX Corporation to the WSE on certain Polish law aspects of its merger with Teva Pharmaceutical Industries Ltd. and introducing Teva's shares to public trading in Poland.°
  • Represented CA IB Fund Management in its acquisition of three Polish national investment funds, as well as the company managing the funds' assets from PZU S.A.°

°The above representations were handled by Mr. Sieński prior to his joining Greenberg Traurig Grzesiak sp.k.

Recognition & Leadership

  • Chambers Global: Band 3 in Capital Markets Equity (2015-2019), Band 4 in Capital Markets Equity (2014)
  • Chambers Europe: Band 3 in Capital Markets Equity (2015-2017), Band 4 in Capital Markets Equity (2010-2014)
  • EMEA Legal 500: recommended lawyer in Capital Markets Equity (2017), recommended lawyer in Capital markets Debt (2013)
  • IFLR1000:
    • highly regarded in Capital Markets: Debt (2019-2020) and Banking (2019-2020) 
    • leading lawyer in Capital Markets (2011-2017) and Banking (2016-2017)
  • Best Lawyers: recommended in Capital Markets (2016, 2014)
  • Member, District Chamber of Legal Advisors in Warsaw


  • Legal Advisor, 2004
  • Master of Law, The University of Warsaw, 2000
  • Certificate in American Law, with Distinction, the University of Warsaw /University of Florida Center for American Law Studies, 1999

  • Poland
~ Certain partners in Greenberg Traurig Grzesiak sp.k. are also shareholders in Greenberg Traurig, P.A.
  • Polish, Native
  • English, Fluent