Mr Piotr Siezieniewski > Deloitte Legal, Ostrowski, Gizicki i Wspólnicy sp.k. > Warsaw, Poland > Lawyer Profile
Deloitte Legal, Ostrowski, Gizicki i Wspólnicy sp.k. Offices

AL. JANA PAWLA II 22
00-133 WARSAW
Poland
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Mr Piotr Siezieniewski

Work Department
M&A, Private Equity
Position
Partner
Career
Piotr Siezieniewski is an attorney-at-law admitted to practice in Poland and a Partner at Deloitte Legal. He specialises in corporate and commercial laws issues, particularly private equity and M&A.
Piotr’s focus is on mid-market M&A and PE transactions. His experience encompasses representing both sell side and buy side players, as well as advising foreign and domestic investors.
Recently Piotr has been paying more and more attention to working with start-ups, participating on both sides of transactions involving promising seed and venture capital projects.
Languages
Polish, English, Russian
Memberships
Attorney-at-law, Poland
Lawyer Rankings
Poland > Private equity
Deloitte Legal, Ostrowski, Gizicki i Wspólnicy sp.k.‘s private equity practice is closely linked to the firm’s offices across Europe, enabling it to provide joined-up advice on regional deals, utilising the consultancy firm’s tax and financial advisory divisions. The group has experience of public-to-private transactions, as well as restructurings and spin-offs. Jointly taking the lead are Piotr Siezieniewski and Ryszard Manteuffel. Jacek Korzeniewski has transactional experience, but also focuses on regulatory matters.
Poland > Commercial, corporate and M&A
Deloitte Legal, Ostrowski, Gizicki i Wspólnicy sp.k. acts as a one-stop-shop to corporates in relation to transactions in Poland and central Europe. The team has expertise in private equity and venture capital investments, as well as public and private M&A. It works alongside Deloitte’s consultancy professionals, providing support in relation to issues such as tax. Co-leading the department are Piotr Siezieniewski and Ryszard Manteuffel. Jacek Korzeniewski‘s practice brings together expertise in commercial law, M&A and environmental law.
Poland > Capital markets
Deloitte Legal, Ostrowski, Gizicki i Wspólnicy sp.k. draws on its tax and financial advisory divisions to handle a wide range of capital markets transactions, including IPOs and SPOs, as well as ABB transactions and dual-listings of companies on the Warsaw stock exchange. The group also has expertise in compliance matters, with expertise in disclosure requirements and market abuse regulations. The group is co-led by Ryszard Manteuffel and Piotr Siezieniewski. Senior associate Mikołaj Chodkiewicz is a specialist in securities law.