Mr Marek Wojnar > act BSWW legal & tax > Warsaw, Poland > Lawyer Profile

act BSWW legal & tax
ul. Chmielna 73
00-801 Warsaw

Work Department

Real estate and constrution, Corporate / M&A, Aviation law, Luxurious yachts and boats, Italian Desk


Attorney-at-law / Managing Partner


Marek is a seasoned professional in real estate transactions and construction/infrastructure investment projects, corporate matters and M&A. He also specializes in IP and acquisition/sale of aircrafts and yachts.
He has vast experience in real property sale and acquisitions, leasing processes and implementation of infrastructure (energy and motorway) projects.
Among his clients are renowned international developers, construction companies and investors. His clients include CPI Property Group, Curtis, Immobel, Doosan Skoda Power, Kulczyk Silverstein Properties, Orlen, P3 Logistic Parks, Patrizia, Polimex-Mostostal and Strabag.
Marek has worked on a large number of projects for IT and telecommunications companies, while at the same time providing legal advisory services related to cooperation with start-ups.
He also has a long track record of transactions involving the sale, chartering and lease of planes, helicopters, yachts and superyachts.
Marek co-heads the firm’s Italian Desk, assisting a number of Italian clients in Poland (e.g. Technimont, Technip and KTI) and Polish clients that run their business in Italy.


Polish, English, Italian


Graduate of the Faculty of Law and Administration at the University of Warsaw.

Lawyer Rankings

Poland > Real estate

The ‘very professional and pro-active team’ at act BSWW is led by Michał Wielhorski and Marek Wojnar. Real estate is one of the firm’s core competencies, an area in which it handles large commercial developments as well as residential, hotel, leisure and logistics matters. The team covers everything from due diligence through to sale and acquisition, joint ventures, permitting, investment financing and leasing. Lease agreement expert Alicja SołtyszewskaMateusz Prokopiuk (who was promoted to the partnership in 2020) and Marta Kosiedowska are other key contacts.

Poland > Construction

The construction group at act BSWW has a notable emphasis on commercial, residential, warehousing and infrastructure matters. Led by Marek Wojnar and Michał Wielhorski, it acts for domestic and international clients across the spectrum of construction from public procurement through to (where necessary) litigation. Specifically, the team handles planning negotiations,  architectural services, FIDIC contracts and EPC agreements. In addition, the group advises on performance bonds, environmental protection matters, and zoning and permits. Mateusz Prokopiuk was promoted to the partnership in July 2020.

Poland > Commercial, corporate and M&A

act BSWW‘s team assists Polish and foreign clients with reorganisations, de-mergers, joint ventures and corporate law issues, as well as advising on commercial agreements and licensing. Jointly leading the team are corporate and public procurement law expert Jacek Bieniak, capital markets specialist Piotr Wojnar and Marek Wojnar, who focuses on the real estate and construction sectors.