Karolina Olszewska

Senior Associate

Competition and consumer law


Karolina specializes in consumer law and competition law. For over 20 years, she has been advising companies and other market participants.

Karolina Olszewska

Languages: Karolina Olszewska

BIO

Karolina specializes in competition law. For over 20 years, she has been advising companies and other market participants. She specializes in consumer protection law (including audits of regulations and model contracts, proceedings before the Office of Competition and Consumer Protection (UOKiK) concerning violations of collective consumer interests) and competition law (representing clients in cases of notification of intended concentrations, application of practices restricting competition, in particular in cases of abuse of a dominant position by undertakings). She also provides advisory services in the field of real estate law. In 2023, she completed postgraduate studies in Competition Law at the Institute of Legal Sciences of the Polish Academy of Sciences. She has been recommended for years in the Legal 500 ranking.

It also provides advisory services in the field of real estate law.

Karolina Olszewska

Experience

Competition law

  • Advised companies belonging to the MS GALLEON capital group in numerous proceedings before the Office of Competition and Consumer Protection and the Serbian antitrust authority on securing clearance for concentrations involving companies in the energy sector, including nuclear energy
  • Advised Polish Enterprise Funds SCA in Polish antitrust proceedings involving acquisition of control over Bisar SA and its subsidiaries
  • Advised three investment funds in proceedings before the Office of Competition and Consumer Protection concerning clearance for take-over of the glass smelter Krosno S.A. and its subsidiaries
  • Advises entities in proceedings before the Office of Competition and Consumer Protection concerning suspected abuse of dominant market position
  • Advised companies belonging to the MS GALLEON capital group in numerous proceedings before the Office of Competition and Consumer Protection and the Serbian antitrust authority on securing clearance for concentrations involving companies in the energy sector, including nuclear energy
  • Advised Polish Enterprise Funds SCA in Polish antitrust proceedings involving acquisition of control over Bisar SA and its subsidiaries

Consumer Protection law

  • Reviews consumer relations documentation for compliance with consumer protection laws (for, among other clients, mBank and Aasa)
  • Advises companies in proceedings before the Office of Competition and Consumer Protection in cases of violation of collective consumer interests

Selected projects

  • Advised private equity fund TEP Capital on the acquisition of 100% of the shares in FOL-POL, a flexible packaging manufacturer, through its portfolio company United Flexibles, as part of their buy-and-build strategy

News
& Insights

03.09.2026

GESSEL advised De Silva City on the acquisition of a portfolio of four hotels from Essendi Poland

GESSEL advised De Silva City sp. z o.o., a Polish company operating in the hospitality sector, on the acquisition of certain assets of Essendi Poland S.A., a hotel owner...

Case studies
GESSEL advised De Silva City on the acquisition of a portfolio of four hotels from Essendi Poland

23.06.2026

GESSEL advised TEP Capital on the acquisition of FOL-POL

GESSEL advised TEP Capital, a Poland-focused private equity investor, on the indirect acquisition of 100% of the shares in Kutno-based FOL-POL sp. z o.o. through its por...

Case studies
GESSEL advised TEP Capital on the acquisition of FOL-POL

06.03.2025

GESSEL advised Enterprise Investors on the acquisition of an 80% stake in Expobud Domy

As a trusted legal advisor supporting clients at every stage of the investment cycle, we had the pleasure of advising our long-standing client, the Enterprise Investors ...

Case studies
GESSEL advised Enterprise Investors on the acquisition of an 80% stake in Expobud Domy

10.09.2024

We advised Grupa Kęty S.A.

We advised Grupa Kęty S.A. in the process of preparing, negotiating, and executing the transaction documentation related to the acquisition of shares in SELT sp. z o.o.,...

Case studies
We advised Grupa Kęty S.A.
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Education and achievements

Karolina Olszewska
  • Legal studies at the Faculty of Law and Administration of the University of Warsaw (2006)
  • Postgraduate studies in Competition Law at the Institute of Legal Sciences of the Polish Academy of Sciences (2023)

Awards