
GESSEL Attorneys at Law regularly advises on mergers, takeovers and asset acquisitions, notably providing a bespoke service for industries subject to special regulatory regimes, such as finance, pharmaceuticals and insurance. The team also represents clients before the Office of Competition and Consumer Protection and the domestic courts in proceedings concerning collective consumer interests and unfair competitive practices. Leading the practice is Bernadeta Kasztelan-Świetlik, who provides advice to international and domestic clients, on matters concerning concentrations and agreements and abuses of dominant position.
Testimonials
Collated independently by Legal 500 research team.
‘This is a very competent team. Bernadeta Kasztelan- Świetlik’s experience and long-standing on the market makes it unique.’
‘I like to work with Bernadeta Kasztelan- Świetlik. She is focused and always to the point. She is also open-minded and pragmatic.’
‘The key to success is Bernadeta Kasztelan Świetlik, who, with her vast experience and her personality, leads an exceptional team of advisers.’
‘Bernadeta Kasztelan- Świetlik, who heads the team, is an absolute leader, both as a specialist competition law lawyer, and as a great person.'
Key clients
- Gaz-System S.A.
- Anwim S.A.
- Sescom S.A.
- Grupa Kęty
- Elemental Holding S.A.
- Decora S.A.
- Grupa Ricard Pernod (Wyborowa S.A.)
- Polimex Mostostal
- FTF Development S.A. (MS Galleon Group)
- LuxMed
- Corab
- Bank Pocztowy
- Aasa
- Velvet Care
- ING Bank Śląski
- GBA Polska
- Krajowy Projekt Energetyczny
Work highlights
- Representing Flightbox before OCCP and the European Commission.
- Advised Elemental Strategic Metals Sp. z o.o. on the establishment of a joint venture with Ascend Elements Inc., with the obligation to notify the competition authorities of the transaction.
- Advice to GAZ-SYSTEM S.A. on concentration control in connection with its acquisition of 100% of the shares in Gas Storage Poland.
Lawyers

Practice head
The lawyer(s) leading their teams.
Bernadeta Kasztelan-Świetlik