Mr Mateusz Prokopiuk > act BSWW legal & tax > Warsaw, Poland > Lawyer Profile

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

Work Department

Real estate, Investment financing


Attorney-at-law / Partner


Mateusz specializes in real estate law, real estate transactions (share and asset deals), due diligence audits, corporate law, mergers, acquisitions and investment financing.
At the onset of his professional career, Mateusz was handling a lot of real estate due diligence audits but his focus soon shifted towards real estate transactions involving the sale/purchase of land lots for office, retail and residential developments.
He negotiates financing conditions for notable real estate investment projects (incl. large shopping centers), while also advising companies from other market sectors on complex investment financing processes.
Mateusz supervises due diligence audits related to the transactions that he handles. His experience includes consulting on mergers (incl. cross-border ones), acquisitions, and sale of enterprises or their business units.
Additionally, Mateusz tackles joint venture processes and provides ongoing legal advisory services for companies operating across a wide range of industries.


Polish, English


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 > Banking and finance

act BSWW‘s group is focused entirely on investment financing, with particular expertise in the real estate sector, where it advises Polish and foreign real estate developers and investment companies on projects across Poland. Senior associate Mateusz Prokopiuk takes the lead on a number of real estate financing matters. Managing partner Michał Wielhorski has significant experience of debtor-side work.