GP Partners Gawroński, Biernatowski Sp.K. > Warsaw, Poland > Firm Profile

GP Partners Gawroński, Biernatowski Sp.K.
00-124 WARSAW

Poland > Data privacy and data protection Tier 3

GP Partners Gawroński, Biernatowski Sp.K.’s technology and data protection practice is adept at advising clients in the banking and finance, energy and utilities, and telecoms and IT sectors. The team’s offering includes GDPR compliance audits, advice on data breaches, and representation in proceedings before the President of the Polish Data Protection Office. Maciej Gawroński and Michał Ćwiakowski jointly lead the team, and Čwiakowski ‘has extensive knowledge in the field of personal data protection in the financial market’.

Practice head(s):

Maciej Gawroński; Michał Ćwiakowski

Other key lawyers:

Piotr Biernatowski


‘Great expertise and strength in depth that is consistent with a much larger firm.’

‘Very professional and committed and have the ability to propose practical and business-oriented solutions to any possible issues.’

‘Combining in-depth legal knowledge with practical insight of applied technologies.’

‘Maciej Gawroński and Piotr Biernatowski are truly engaged in resolving customer challenges, applying their creativity and unique expertise.’

‘Michał Ćwiakowski has extensive knowledge in the field of personal data protection in the financial market. Cooperation with him is a great pleasure.’

‘Maciej Gawroński has particular data privacy expertise. His client care and understanding of what they actually need is second-to-none. He provides great value.’

Key clients


DPD Polska sp. z o.o.

Enea Centrum

Enea Innowacje

Giełda Papierów Wartościowych

Good Data Protection Standard



Millennium Bank


Phono Media


Plus Bank

Przedsiębiorstwo Państwowe Porty Lotnicze PPL


Polska Spółka Gazownictwa sp. z o.o.

Przedsiębiorstwo Wodociągów I Kanalizacji Jarocin

Rada Reklamy

Ringier Axel Springer Polska


TMS Brokers S.A.




4c Solutions

Bank Gospodarstwa Krajowego



EOS Poland

Keen Property Management

MDR Regulator


Operation Blessing International Relief and Development Corporation

ORM Trade

PGE Polska Grupa Energetyczna




Yatzex International LLC

ZGO Jarocin

Work highlights

  • Advised Millenium Bank on the implementation of a SaaS video verification cloud solution with biometric identification.
  • Representing a Polish internet portal, owned by an international media group, in administrative proceedings triggered by a complaint brought before the Polish Data Protection Office by the NOYB Foundation concerning allegedly illegal use of the Google Analytics service by the client.
  • Assisting PGNiG OD with ongoing data protection matters.

Poland > Dispute resolution Tier 6

GP Partners Gawroński, Biernatowski Sp.K. is best known for acting in commercial and contractual disputes, particularly those with a nexus to technology. The firm's strength in white-collar crime also ensures that it is well regarded for crossover cases which contain both criminal and civil elements. 'Out-of-the-box thinker' Maciej Gawroński and corporate expert Piotr Biernatowski helm the practice.

Practice head(s):

Maciej Gawroński; Piotr Biernatowski

Other key lawyers:

Mateusz Jabłoński; Łukasz Dudek


‘What makes this practice unique is the one-on-one advice they give their clients in a very timely manner. This type of service is provided by the partners themselves; they have deep knowledge of not just local laws but also complex international laws.’

‘I have found Piotr Biernatowski to be very transparent, hardworking, and very knowledgeable on various topics.’

‘Maciej Gawroński is an out-of-the-box thinker.’

‘We value their ability to work with international customers and translate Polish requirements into legal documents.’

‘The team was focused to deliver us the greatest result possible. It is not the first time we worked with this firm and we know we will work with them again in the future. Billing was clear and as agreed. Team was very responsive.’

‘Piotr Biernatowski had a great impact to our case. Piotr negotiated everything, and was able to deliver a great result. We closed the deal in excellent time, thanks to Piotr.’

‘Maciej Gawroński – prominent practitioner and strategist, in a league of his own.’

‘Creative combination of litigation expertise, clear communication and in-depth industry insight.’

Key clients

Crypto Sp. z o.o.

Partia polityczna Konfederacja Wolność i Niepodległość (“Liberty and Independence Confederation” Party)

Przedsiębiorstwo Wodociągów i Kanalizacji Jarocin (Sewage & Waste Disposal Enterprise Jarocin)

Gąsior Family

PHZ Baltona and Przedsiębiorstwo Państwowe Porty Lotnicze (Polish Airports)

Heli Service


ORM Trade / Par L’amour


PHZ Baltona

Work highlights

  • Representing Crypto, a subsidiary of a Panama-licensed payment institution providing money transfers between investors and cryptocurrency exchanges, in a dispute with iFinex over allegedly misappropriated funds.
  • Obtained a preliminary injunction for de-blocking and de-shadow banning against Meta, on behalf of the Polish political party Konfederacja Wolność i Niepodległość.
  • Representing PWiK Jarocin in a dispute arising from a contract under the public procurement regime to modernise a sewage treatment plant.

Poland > Banking and finance

At GP Partners Gawroński, Biernatowski Sp.K., managing partner Maciej Gawroński and practice head Michał Ćwiakowski work in tandem to provide in-depth industry expertise, focusing particularly on banking regulatory and fintech issues.

Poland > Public procurement

GP Partners Gawroński, Biernatowski Sp.K.’s public procurement team is headed by Jacek Liput, who joined the firm in 2019 from an in-house position. The practice focuses on the energy, utilities, aviation, IT, pharmaceutical, and construction sectors, and handles tenders that are co-financed with EU funds.

GP Partners is an independent Polish business law firm offering a broad range of legal advice, with a focus on digital transformation.

Highlights: Polish Data Protection Office Award 2021, “Guide to the GDPR” No 1 Bestseller 2018/19, “LIttle Book on Drafting Pleadings” No 1 Bestseller 2022

Main practice areas: Data and technology (incl. cloud, cyber, data protection, IT); Corporate and M&A; Regulatory (incl banking and finance, AML, anti-corruption, anti-terrorism); Dispute resolution (including arbitration, investment arbitration and white-collar crime). Public procurement; Employment (inc. immigration).

GP Partners’s team authored the bestselling “Guide to the GDPR” textbook (published in 2018 in Polish and in 2019 in English).

In 2021 Maciej Gawroński received the ‘Michał Serzycki’ Data Protection Award from the President of the Polish Data Protection Office, in recognition of his active support of the protection of personal data in Poland and the EU over many years.

Our new book “How to Communicate in a Dispute – a  Little Book on Drafting Pleadings” (in Polish) published in June 2022 became Wolters Kluwer Polska No 1 Bestseller 2022.

Sectors and practice areas
Anti-money laundering, anti-corruption, and anti-terrorism:
compliance systems, incident management, transaction monitoring, internal audits and assistance in regulator’s audits.
Highlights: transaction monitoring, regulator’s audits

Banking and finance regulatory: FinTech GP Partners provide major banks as well as various FinTech companies with regulatory and technology-related advice, in areas including AML IV, compliance as a system, CRR II, CRD V, PSD2, licensing and delicensing, cloud computing, cybersecurity (NIS/NIS2/DORA), data protection, eID, IT, and outsourcing.

Cloud computing: implementation advice to various regulated sectors (banking & finance, public administration, critical infrastructure, energy, Polish Bar) . We are a leading practice in relation to EU policy matters.
Highlights: Maciej Gawronski advised European Commission on cloud computing contracts, international data transfers, contributed to GDPR, published on cloud computing  for almost 15 years, we published flagship analysis for the Polish Bar.

Compliance: GP Partners assists clients in building compliance systems and implementing new regulations, in areas such as corporate responsibility, AML, anti-corruption, data protection, non-discrimination, anti-mobbing, whistleblower protection, market practices, criminal corporate liability, and payment deadlines. We also support our clients in relation to suspected irregularities.

Corporate: GP Partners supports public and private companies at all stages of their development, including advising on M&A (particularly technology M&A), complex restructurings, matters of corporate governance, corporate disputes, and corporate housekeeping.

Cybersecurity: implementing information security management systems in accordance with the Polish Act on the National Cybersecurity System and ensuring an adequate level of personal data protection, we conduct investigative audits in connection with cybersecurity incidents.

Privacy and data protection: GP Partners advised on major GDPR implementations in sectors such as banking, energy and telecoms, and maintain thought leadership in data protection and cybersecurity in Poland as well as internationally. Our “Guide to the GDPR” is a No. 1 legal bestseller 2018 in Poland, with 14,000 copies sold within a year. Members of our team acted as experts for the Article 29 Working Party and European Commission. In 2022, the European Data Protection Board appointed Maciej Gawroński as EDPB’s Expert for legal and technical expertise in new technologies and information security.

Dispute resolution; domestic and international arbitration: GP Partners’ team acted in disputes worth billions of euros, and are renowned for taking an unorthodox approach to disputes. We are the authors of the flagship textbook on contentious communication: “„Jak pisać pisma procesowe i prowadzić komunikację w sporze czyli książeczka o pisaniu pism” (“Little Book on Drafting Pleadings”). Members of GP Partners’s team represented Poland before the Arbitrational Tribunals for BIT disputes, and have also represented clients before the Arbitration Court at the International Chamber of Commerce in Paris and the Arbitration Court for Sport in Lausanne, as well as in ad hoc arbitration disputes.

Employment: wide-ranging labour law practice covering areas including dismissals, collective redundancies, trade unions, contracts with C-level executives, immigration.

Intellectual property: GP Partners team has longstanding capabilities in soft IP and also in patent litigation. We have advised international corporations and domestic entities in patent and trademark disputes, and in cases related to the violation of business secrets and unfair competition. We also develop and implement comprehensive strategies for protecting the IP of companies.

Media: we have assisted in relation to film and television productions, as well as in the acquisition or recovery of copyrights or licensing. We also act for several media organisations in Poland – including The Union of Associations Advertising Council (Rada Reklamy).

Public procurement: GP Partners provides comprehensive services in the field of public procurement law, on the side of both contracting authorities and contractors and acting for both Polish and international entities. We represent clients before the Polish Chamber of Appeal and in court proceedings, and also carry out legal and business audits of purchasing processes.

Regulated sectors: GP Partners provides extensive support to clients operating in heavily regulated sectors – including banks, insurers, payment institutions and other financial institutions; energy companies; telecoms companies; and pharmaceutical companies.

Technology: we advise on all matters of the digital era and The Fourth Industrial Revolution, in particular in the new area of digitalisation, e-commerce and internet law, cyber security, data protection, big data and cloud computing. We have advised on some of the largest IT implementations in Poland and Central Europe.

White-collar crime: GP Partners’s team has many years of experience in conducting major financial crime cases in Poland, many of them involving international aspects.

Department Name Email Telephone
IP/IT; Disputes; Cross-Border Advice Maciej Gawroński
Corporate; White-Collar Crime Piotr Biernatowski
Technology; Financial Regulatory Michał Ćwiakowski
Public Procurement; Competition Jacek Liput
Partner : 4
Of counsel : 1
Associate : 6
International Association of Privacy Professionals
Polish Chamber of Information Technology and Telecommunications
Court of Arbitration at the Polish Chamber of Commerce
ITech Law