Rymarz Zdort Maruta‘s work covers full-scale implementation projects, GDPR audits, cross-border data transfer projects and regulatory risk assessments. The team is regularly involved in cases that require acting across advisory, compliance and litigation contexts advice focusing on topics such as artificial intelligence, digital marketing models, e-commerce and platform regulations. Piotr Kalina supports IT companies and entities offering AI services or using artificial intelligence systems, both in Poland and abroad. Monika Gieraltowska-Karpowicz’s particular focus is on matters related to the entrustment of personal data processing and audits of data processors. Former practice co-heads Marcin Serafin and Pawel Tobiczyk have departed the firm.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘I would like to emphasise that I have had the privilege of working with individuals who consistently demonstrate the highest professional standards while also bringing genuine commitment and a collaborative mindset to every engagement.'
  • ‘The team has expertise in new technologies, fintech and artificial intelligence, combining many areas of technology and law to increase the effectiveness and precision of the assistance provided by the law firm.’
  • ‘They stand out for their ability to analyse practical legal issues very quickly and propose solutions that are consistent with the client's business activities. They have a very good knowledge of the regulated market, in particular insurance companies and the entire system of legal regulations related to them.’
  • ‘Rymarz Zdort Maruta’s privacy and data protection team stands out because they combine deep expertise with a very approachable, client-friendly style. They are not only strong lawyers but also good listeners who quickly understand the client’s business culture and priorities. Their advice is clear, practical, and always feels tailored to us rather than generic. I value the way they anticipate problems early and work alongside us to implement solutions, which creates a sense of partnership rather than just external advice.’
  • ‘Marcin Serafin – a trusted advisor who blends legal, business, and technology perspectives. He has outstanding knowledge of GDPR and security, but what really sets him apart is his ability to build excellent client relationships.’
  • ‘The team is great. They really shine in combining deep knowledge with amazing communication skills. Working with them is a pleasure.’
  • ‘Piotr Kalina is a true professional. He always has an answer, even for questions you don’t know you have. He is always engaged, providing thorough expertise on the subject and helping us achieve our goals.’
  • ‘The team is business oriented and is looking for possible solutions to meet business needs.’
  • 'The individuals I work with are very open, has vast legal knowledge and experience in their respective fields. They concentrate on understanding the problem and finding solutions to it.'

Key clients

  • Zabka Polska sp. z o.o.
  • Polskie Sieci Elektroenergetyczne S.A.
  • Mercedes-Benz Leasing sp. z o.o.
  • Makro Cash&Carry
  • Media Saturn Holding Polska sp. z o.o.
  • Grupa Maspex sp. z o.o.
  • Morele.net
  • Link4

Work highlights

Serving as the data protection officer and deputy DPO for Polskie Sieci Elektroenergetyczne S.A., the operator of the National Power Grid in Poland.
Represented Link4 in successfully challenging a GDPR enforcement decision before the Voivodeship Administrative Court in Warsaw, resulting in the revocation of a fine imposed by the Polish Data Protection Authority.
Representing Getin Noble Bank in bankruptcy in ongoing proceedings before the Polish Data Protection Authority, including multiple individual complaint cases and regulatory engagement.

Lawyers

Next Generation Partners

Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Practice head

Piotr Kalina

Other key lawyers

Monika Gieraltowska-Karpowicz