Europe Guide 2026 : Poland
Ranked Individual
Provided by _Just_LAW Jastrun Kowalski sp. k.
The firm advises on a broad range of data protection and privacy matters, including GDPR compliance, regulatory investigations, data breach management, cross-border data transfers and the implementation of AI and other data-driven technologies. The team regularly supports clients in complex compliance projects, internal investigations and regulatory proceedings, as well as representing organisations before the Polish data protection authority and in related litigation.
The practice advises clients operating in highly regulated and data-intensive sectors, including insurance, financial services, retail, technology and media. The team frequently assists international companies entering or expanding in the Polish market, providing strategic advice on data governance, privacy frameworks and regulatory risk management.
The team is led by Sławomir Kowalski, ranked by Chambers in TMT: Data Protection, who is recognised for his extensive experience advising on complex privacy, regulatory and technology-related matters.
Provided by Chambers
_Just_LAW Jastrun Kowalski has a noted data protection practice, assisting clients with compliance with data protection regulations, issues around data breach as well as GDPR. The team also acts for clients on personal data protection and matters pertaining to international data transfers.
Provided by Chambers
The team looks for flexible solutions and defensible interpretations of the legal issues at hand.
The data protection team is recognised for its exceptional specialisation, continuous advisory model and strong commitment to providing business-focused, solution-oriented guidance.
Processes they've developed are well-tailored, not too overwhelming. They put clients first and that's really important. They are very efficient, well managed and a great team to work with.
Provided by Chambers
Sławomir Kowalski advises clients on data protection matters, including GDPR compliance and international data transfers.
Sławomir Kowalski is very decent and great to collaborate with. He is really driven, interested and professional when it comes to privacy and advising clients on privacy.
Sławomir Kowalski consistently demonstrates excellent service standards and a high level of legal maturity. His ability to address sensitive and complex GDPR-related issues showcases strong analytical capability and advanced legal reasoning.
He is insightful, very detail-oriented and always looking for the innovative solutions to the problem at hand.
Data Protection
Provided by _Just_LAW Jastrun Kowalski sp. k.
Agnieszka Rapcewicz
Sławomir Kowalski
View profile of Sławomir Kowalski
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