Marcin Walczak
Senior Associate
Attorney-at-law
He specializes in mergers and acquisitions and commercial company law.
Languages:
BIO
Since joining GESSEL in 2021, Marcin has contributed to share deal and asset deal M&A transactions both on the sell side and the buy side.
He has drafted transaction documentation, corporate documents (for the purpose of specific transactions, as well as of day-to-day legal services) and due diligence studies.
Prior to joining GESSEL, he gained experience at renowned international law firms, dealing with tax and competition law issues.
Experience
Selected projects
- Advised Enterprise Investors and the remaining shareholders on the sale of 100% of the shares in Anwim S.A., owner of the MOYA fuel station network, to Stonepeak and Energy Equation Partners
- Advised the selling shareholders on the disposal of six Centrum Diagnostyczno-Lecznicze Barska medical facilities to the Unity Care network, backed by the private equity fund Enterprise Investors
- Advised CenterMed on the acquisition of 100% of the shares in CenterMed Poznań, a multi-specialty medical centre
- Advised Szopex sp. z o.o., an operator of sports retail stores and e-commerce platforms, on the sale of a 75% stake to Modivo, part of CCC Group, for PLN 27.8 million
- Sale of Grupa Scanmed to American Heart of Poland
- Acquisition of shares in the share capital of SELT sp. z o.o. by Grupa Kęty S.A.
- The sale of the majority stake in Sescom S.A. to Enterprise Investors for the amount of 104 million PLN.
- Gaz – System‘s acquisition of Gas Storage Poland from Orlen.
- We advised Polish Enterprise Fund VII (PEF VII), a private equity fund managed by Enterprise Investors, in the sale of JNT GROUP S.A. SP.K
- We advised Fulfilio on its investment in SellerSwitch Ltd.
- Enterprise Investors fund’s investment in Bisar S.A. (Transaction value: PLN 125 million)
- Buyout of shares in Polska Grupa Biogazowa S.A. from PFR and their sale to TotalEnergies Group
- Sale of shares in Zielona-Energia.com Logistics to EDP Energia Polska Group sp. z o.o. (a global leader in renewable energy and PV solutions)
- Lux Med Group’s investment in Mediss Dental Clinic
- Investment by Inplus sp. z o.o., a portfolio company of Accession Capital Partners, in Smart Factor sp. z o.o.
- Sale of Asist to PIB Group, one of Europe’s largest agency and brokerage market groups
- MS Galleon AG’s (Michal Solowow’s group) investment in Rafako S.A.
- Sale of Famed Żywiec sp. z o.o. by PE fund EMSA Capital
- Lux Med Group’s investment in Medtour sp. z o.o.
News
& Insights
12.06.2026
GESSEL advised Enterprise Investors on the sale of Anwim, owner of the MOYA fuel station network, to Stonepeak and Energy Equation Partners
GESSEL advised a fund managed by Enterprise Investors and the remaining shareholders on the sale of 100% of the shares in Anwim S.A., owner of the MOYA fuel station netw...
16.02.2026
Promotions at GESSEL
GESSEL announces its 2026 round of promotions, reflecting the Firm’s continued growth and its commitment to developing market-leading expertise across core practice area...
16.01.2026
GESSEL’s dedicated Healthcare M&A team advised on ten sectoral deals in 2025
In 2025, GESSEL successfully advised on ten mergers and acquisitions transactions in the healthcare sector. The mandates covered advisory services on both the sell side ...
07.01.2026
GESSEL advised on the sale of Centrum Diagnostyczno Lecznicze Barska to Unity Care
GESSEL advised the selling shareholders on the sale of Centrum Diagnostyczno Lecznicze Barska sp. z o.o., a privately owned healthcare provider, to Unity Care sp. z o.o....
Education and achievements
- Legal studies at the Faculty of Law and Administration of Jagiellonian University (2020)
- School of French Law organized as a cooperation between Jagiellonian University and the University of Orléans
- As an Erasmus+ scholar, courses at Katholieke Universiteit Leuven (2018-2019)
- Admitted to practice as an attorney in 2025
