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act BSWW ranked in The Legal 500 EMEA 2020


We are delighted to announce that we have received recognition from The Legal 500 EMEA 2020 in seven categories and numerous individual recommendations for our practitioners.

Recommendations for the law firm:
– real estate
– capital markets
– commercial, corporate and M&A
– construction
– white-collar crime
– dispute resolution
– banking and finance

Recommended lawyers:
– Jacek Bieniak
– Piotr Smołuch
– Michał Wielhorski
– Piotr Wojnar
– Marek Wojnar
– Marta Kosiedowska
– Piotr Pośnik

The Legal 500 is one of the world’s largest legal referral guides.
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Real estate is one of act BSWW’s core competencies, and the group has experience in commercial and office development transactions, with a strong client roster of real estate funds, developers, construction companies and retailers. In addition to transactional work, it also handles tax due diligence issues. The department is jointly led by managing partners Michał Wielhorski and Marek Wojnar.
Practice head(s): Michał Wielhorski; Marek Wojnar

‘Huge experience in office lease agreements in the Polish market; excellent knowledge of office lease commercial practices.‘
‘Marek Wojnar stands out for his exceptional expertise in advising on a variety of issues related to real estate and construction. He is someone you can trust and rely on.‘
‘Business-oriented lawyers with pragmatic solutions and wide experience.‘


act BSWW handles equity transactions, including fund raising and buyouts, but particularly stands out for bond issuances through public and private offerings for real estate and financial sector clients. Jointly leading the group, Piotr Wojnar is regularly instructed by public companies and brokerage firms on share deals and M&A, and Piotr Smołuch is an expert in bond transactions and debt-financed projects.
Practice head(s): Piotr Wojnar; Piotr Smołuch


act BSWW predominantly advises Polish and foreign public companies, corporations and investment companies on all matters relating to their operations in Poland, with particular expertise in M&A. The group is jointly led by Jacek Bieniak, who has developed a strong Italian client base, commercial law expert Piotr Wojnar and Marek Wojnar, whose practice focuses on the real estate and construction industries. Marta Kosiedowska is another name to note for M&A transactions in the real estate sector.
Practice head(s): Jacek Bieniak; Piotr Wojnar; Marek Wojnar

‘Reliability, activity quickness, versatility.‘
‘High quality service level.‘


act BSWW advises on the spectrum of construction projects, including commercial, residential and warehouse developments, as well as infrastructure. The group’s clients include Polish and international construction companies and real estate developers. The team is instructed on construction contracts, agreements for investment-related services involving contractors, infrastructure delivery agreements, zoning and environmental regulation. The group also handles construction-related litigation and arbitration. The department is jointly led by managing partners Marek Wojnar and Michał Wielhorski.
Practice head(s): Michał Wielhorski; Marek Wojnar


The team at act BSWW has experience across the white-collar space, with particular expertise in handling cases involving criminal liability in workplace accidents, and economic crime, including corporate bribery cases. In terms of compliance work, the team is often called upon to advise on the necessary structures and codes of conduct. Other areas of expertise include corporate defence and investigations, both internal and external. With a commercial litigation background, Piotr Wojnar, who has substantial experience before civil, administrative and criminal courts, jointly leads the team alongside experienced criminal defence lawyer Piotr Pośnik.
Practice head(s): Piotr Wojnar; Piotr Pośnik

‘Experience in many cases, high involvement, fast response, large team.‘
‘Piotr Posnik has very good client-facing skills.‘




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The real estate team of act BSWW legal & tax was responsible for providing comprehensive legal advice in the process of negotiating and concluding lease agreements for office, retail and service space located in the “Plac Unii” complex, on Pulawska Street in Warsaw....

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Marek Miszkiel nowym szefem praktyki


Marek Miszkiel promoted to head the Litigation and Arbitration practice

Huge congratulations to Marek Miszkiel on becoming the new Head of Litigation and Arbitration at act BSWW legal & tax! Marek joined act BSWW legal & tax legal & tax in 2014. He specializes in commercial disputes and bankruptcy and restructuring proceeding...

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