
Olesinski & Wspolnicy is jointly led by Ludmiła Łuczak, an expert in data protection, who advises international clients on GDPR compliance; and Bartosz Kolarz, who provides strategic legal advice on projects concerning data security, particularly matters concerning international data transfers. Assisting clients both domestically and within the EU, the team adopts a multidisciplinary approach, drawing on the expertise of its TMT and litigation teams to provide advice and representation on data protection, cybersecurity and DPO outsourcing matters.
Testimonials
Collated independently by Legal 500 research team.
‘Great quality team.’
- 'Bartosz Kolarz is a very good leader.’
‘Clear terms of cooperation and excellent quality.’
‘It's one of few teams in which data privacy expertise is connected with technology expertise; it's one team essentially. This greatly facilitates cooperation and obtaining coherent advice no matter with whom you have a conversation.’
‘Bartosz Kolarz is a great asset, always positive and easy to work with. Ludmiła Łuczak is very professional ’
‘What sets OW's data team apart is their very high level of communication skills; they are able to discuss even the most difficult issues in data protection law in a simple and accessible manner. In addition, they are always able to explain their position in a reasonable, balanced and logical way.’
‘Exceptional praise must be given to lawyer Bartosz Kolarz, who stands out from other lawyers, both for his knowledge of his client, as well as for his extensive knowledge, which very often touches on various branches of law.’
‘Overall experience while working with Olesinski & Wspólnicy is great. They understand the legal needs of a client and provide a great service.’
Key clients
- Atlas Ward Polska sp. z o.o.
- Schock Bath sp. z o.o.
- DCG Centrum Medyczne Sp. z o.o.
- Rebel Wolves sp. z o.o.
- Ajinomoto Poland sp. z o.o.
- Silekol sp. z o.o.
- McCain Poland sp. z o.o.
- NSK Steering Systems Europe (Polska) Sp. z o.o.
- N-IX Poland sp. z o.o.
- Booksy International sp. z o.o.
- DWS Draexlmaier Wyposażenie Wnętrz Samochodowych Sp. z o.o.
- DIP Draexlmaier Engineering Polska Sp. z o.o.
- MODIVO S.A. / previously eobuwie.pl S.A.
- IFIRMA S.A.
- Limango Polska Sp. z o.o.
- Brose Sitech Sp. z o.o.
- Ten Square Games S.A. / previously Sp. z o.o.
- Tidio Poland sp. z o.o.
- Tarczyński S.A.
- Gates Polska Sp. z o.o.
- Sportano.com Sp. z o.o.
- Guotai-Huarong (Poland sp. z o.o)
- Umicore Poland Sp. z o.o.
- Smulders Groep Poland Sp. z o.o.
- Smulders Projects Poland Sp. z o.o.
- IMPEL S.A.
- SpotOn Poland Sp. z o.o.
- GPRE Management Sp. z o.o.
- Waverley Software
- Polskie Koleje Linowe S.A.
- Kolej Gondolowa Jaworzyna Krynicka S.A.
- PKL Horeca Sp. z o.o.
- PKL Solina Sp. z o.o.
- PKL Food Sp. z o.o.
- PKL Food Sp. z o.o. sp.k.
- Tristone Flowtech Poland Sp. z o.o.
- EPCD Sp. z o.o.
- VISKASE Polska Sp. z o.o.
- AKS Precision Ball Sp. z o.o.
- JOST Polska Sp. z o.o.
- VOSS Automotive Polska Sp. z o.o.
- Burda GmbH
- Merit Aktiva sp. z o.o.
- Neogames S.A.
- Continental Opony Polska Sp. z o.o.
- SFC Solutions Częstochowa sp. z o.o.
- SFC-Solutions Piotrków Sp. z o.o.
- Curaden Polska Sp. z o.o.
- KIK Textil Sp. z o. o.
- IZOBLOK S.A.
- ZREW Transformatory S.A.
Work highlights
- Carried out several key projects for Booksy International Sp. z o.o., including strategic advice from a personal data perspective on the launch of the 'Zakupy' platform.
- Supported DCG Centrum Medyczne Sp. z o.o. in a data protection breach concerning a leak of medical data. O&W represented DCG in proceedings conducted by Polish DPA.
- Supported Boekestijn Transport in a project to digitise and securely store documents, using the biometric data contained in the signature.
Lawyers

Practice head
The lawyer(s) leading their teams.
Ludmiła Łuczak, Bartosz Kolarz