Leading Individuals

Firms To Watch: Data privacy and data protection

Working in tandem with the firm’s corporate and employment teams, the data protection and privacy practice at CLV Partners - Csabai & Partners Law Firm advises clients across the technology, manufacturing and FMCG sectors on data protection documentation and whistleblowing policies. Anna Katalin Papp heads up the practice.
With 23 years’ experience at the firm, Tamás Kárpáthegyi leads the data protection and privacy team at Szabó Kelemen & Partners Andersen Attorneys in its advice on data transfer, GDPR and whistleblowing policies. The practice also represents clients before the Data Protection Authority.

Data privacy and data protection in Hungary


Having developed its own technology, including an enforcement tracker, data breach app and data law navigator, CMS is well positioned to advise on the full range of data protection matters. The team advises on GDPR and cyber security, as well as on the benefits and risks of AI developments. With an ever-growing roster of multinational companies, the practice is becoming renowned for its international capabilities in this space. Dóra Petrányi heads the team with ‘tremendous leadership‘, bringing experience in the TMT sector across Hungary and the CEE region to the group. Márton Domokos is an ‘asset to the firm‘ and focuses on data protection, IP matters and commercial transactions in the TMT sector. Anna Zsófia Horváth assists clients with EU policies relating to data protection and IT, while Katalin Horváth contributes unique fintech experience. Gábor Bertók bolsters the team’s dispute resolution offering, with extensive experience in data protection and IP litigation.

Practice head(s):

Dóra Petrányi

Other key lawyers:

Márton Domokos; Katalin Horváth; Anna Zsófia Horváth; Gábor Bertók


‘The team is professional and responsive to the client’s requests – unwavering commitment to client success. They are not just legal advisors, but rather strategic partners dedicated to achieving the best outcomes for their clients. They have deep industry knowledge, and relentless pursuit of excellence – a group of passionate professionals who stop at nothing to secure the best results for their clients, offering a unique blend of experience, dedication, and forward-thinking solutions that empower their clients to face any legal challenge with confidence.’

‘The team is dedicated and has deep and comprehensive knowledge in data protection. They are always provide responses in a short period taking into consideration our business requests. We work together with Dóra Petrányi, Márton Domokos and Katalin Horváth. Dóra has an outstanding knowledge in TCM, Márton’s practical, problem-solving approach is valued a lot.’

‘We appreciate their client-first attitude and always-timely delivery.’

Key clients




Iron Mountain

OTP Mobile

Samsung Electronics


e& (Etisalat Group)


Kyndryl Holdings, Inc (a spin-off of IBM’s infrastructure services business)

Work highlights

  • Advised 4iG on the €1.67bn acquisition of Vodafone Hungary and assisted with the data protection, IT and security due diligence of Vodafone Hungary.
  • Advising Samsung Electronics on data protection issues on a daily basis.
  • Advising Unisys on specific data protection matters on a cross-border basis.


GDPR matters are a key strength of the data protection team at Dentons. As well as advising on data protection audits and representing clients before the data protection authorities, the practice advises on related issues, such as portfolio management, software and e-commerce matters. The group has a wealth of international experience, which it utilises to advise clients on cross-border data transfers, and an extensive client list across a range of sectors, with a particular focus on IT and telecoms clients. Practice head Tímea Bana leads data protection compliance projects spanning the CEE region. Áron Károlyi-Szabó also strengthens the team’s global reach, advising on data protection and privacy matters and relevant EU law.

Practice head(s):

Tímea Bana

Other key lawyers:

Áron Károlyi-Szabó


‘Excellent expertise, international connections, high load capacity, specialists in all fields, quick response, adequate knowledge of our company.’

‘Quickly understanding problems and tasks, giving useful ideas and suggestions, working together as a team.’

‘Quick and prompt response, solid legal background (local and international), client-oriented behaviour, efficiency in delivering the legal products, knowledge of the industry and our company, and flexibility.’

Key clients

Vodafone Magyarország Zrt.

UFA Hungary, UFA Show and Film and Fremantle

EPAM Systems


Porsche Hungaria

Hungarian Football Federation – MLSZ


Ingenious Media


Porsche InterAuto Kft.

Work highlights

  • Advising UFA Hungary on data privacy matters, program production, commercial issues and copyright licensing matters.

Hegymegi-Barakonyi and Fehérváry Baker&McKenzie Attorneys-at-Law

Hegymegi-Barakonyi and Fehérváry Baker&McKenzie Attorneys-at-Law’s data protection team has an established global network, advising international clients across the pharmaceuticals, automotive, energy and technology industries on Hungarian and EU data protection laws. The practice covers the full scope of relevant matters, from privacy policy and GDPR compliance, to online marketplaces and cybersecurity. The team also handles internal investigations, from data breaches to fraud detection, as well as providing representation before the Hungarian Data Protection Authority. Practice head Csaba Vári is well versed in a variety of cross-border data protection matters, including data transfers. András Gaál advises both Hungarian and international companies on the implementation and application of novel technologies.

Practice head(s):

Csaba Vári

Other key lawyers:

András Gaál


‘In the course of my work, I constantly encounter many different legal issues, and they have specialists in all areas. They always invest energy in understanding the problem, thoroughly review the legal background, and come back to me with thorough, understandable proposals and solutions.’

‘Even when we faced tight deadlines, they were partners and put our needs first. We maintain a direct and friendly relationship with them. They are also available for phone calls and online meetings. I never felt that they only want to do the work superficially or that they want to get over it quickly; they always dig deep into the issue, and they give detailed, thorough answers.’

‘The firm has consistently demonstrated a deep understanding of the ever-evolving landscape of data protection regulations, which is paramount in our industry. Their team’s ability to navigate the complexities of international data privacy laws and tailor strategies to our specific needs has been instrumental in helping us maintain compliance while ensuring the secure handling of sensitive information.’

Key clients

Google Ireland Ltd.

Ford Közép- és Kelet-Európai Értékesítő Kft. (Ford Motor Company – Ford of Central and Eastern Europe)

TESCO-GLOBAL Áruházak Zrt.

Hungarian Food Bank Association

Hungarian Business Leaders Forum

Work highlights

  • Advising Ford Motor Company’s Hungarian legal entity on a wide range of cross-border data protection-related operations matters, including intra-group data processing agreements, direct marketing and contracts with external service providers, a multi-jurisdictional e-commerce project, and data subject request issues.

Lakatos, Köves and Partners

Lakatos, Köves and Partners’ data protection practice serves an international client base and has developed a niche advising new entrants to the Hungarian market. The group’s expertise extends beyond data breaches, audits and incidents to encompass advice on marketing campaigns and new product and service development. The team also has a strong track record in relevant dispute resolution. Iván Sólyom leads the team and his knowledge of data protection and GDPR law intersects with corporate, M&A and IP mandates. Alekszej Dubalár has a wealth of experience in IP and data protection litigation, with a particular focus on the energy and utilities sectors.

Practice head(s):

Iván Sólyom

Other key lawyers:

Alekszej Dubalár

Key clients

American International School of Budapest

Mastercard Europe SA



Szentkirályi Kékkúti Ásványvíz

Integrator d.o.o.

Aston Martin

Mercedes Benz (Daimler)

Work highlights

  • Advising AISB on a GDPR compliance audit, including privacy policy and notices, and all related documentation.
  • Advising Mastercard on all data privacy issues relating to its Hungarian marketing programs.
  • Advising the sales divisions of Mars Group on marketing and promotions, as well as other consumer facing programs.

Andrékó Ferenczi Kinstellar

Andrékó Ferenczi Kinstellar specialises in data privacy matters in the TMT sector, and regularly provides clients with privacy training and advice on data processing. Senior associate Dániel Endre Nagy heads the firm-wide data and cybersecurity teams, as well as the local TMT practice, bringing particular expertise in data protection, privacy and compliance to the firm; he is also the driving force behind the firm’s recently established AI task force. Ákos Nagy boasts almost 20 years’ experience advising telecoms clients on GDPR compliance, marketing and regulatory issues. Anna Szilágyi provides further support, focusing on data protection, IP and TMT law.

Practice head(s):

Dániel Endre Nagy

Other key lawyers:

Ákos Nagy; Anna Szilágyi


‘The team is reliable and knowledgeable. It also delivers within the required deadline. It works efficiently across jurisdictions which is a significant advantage.’

‘The firm has strong coverage in Eastern Europe. It provides a joined-up approach across its offices and compares well in terms of coverage and data team strength in relation to other firms in its region.’

‘Capable and experienced team.’

‘Ákos Nagy is a great all-round lawyer with a structured team behind him.’

Key clients

GrandVision Hungary Kft.

SK Group

Work highlights

  • Advises the SK Group on data protection matters on an ongoing basis.
  • Advising GrandVision on its marketing operations on an ongoing basis.

Deloitte Legal Göndöcz and Partners Law Firm

In tandem with IT risk and AI specialists, Deloitte Legal Göndöcz and Partners Law Firm’s privacy, technology and IP practice continues to expand its digitalisation and AI offering. The team is noted for being ‘on the edge of legal developments‘ and boasts several niche areas of expertise, such as electronic signatures. Practice head Dániel Attila Nagy is actively involved in Hungarian and cross-border data privacy and GDPR compliance projects. Nagy, who was promoted to managing associate in November 2022, has particular knowledge of the e-privacy and e-commerce sectors and advises on digital regulatory matters and technology-focused M&As. Lili Albert is well versed in AI regulation, while Flóra Szalai is singled out for her technology expertise.

Practice head(s):

Dániel Attila Nagy

Other key lawyers:

Flóra Szalai; Lili Albert


‘Very quick reaction time. They use very well adapted templates.’

‘Very pro-active in solving the problems of the client, thorough understanding of the underlying situation so there is no need to engage in lengthy explanations and introductory meetings.’

‘The team is always on the edge of legal developments and are knowledgeable on many relevant topics. They frequently organise forums for general counsel to facilitate discussion between market participants and share experiences. The team consists of highly energetic, positive and friendly professionals who are always happy to help.’

‘Each team member specialises in niche topics, while collaborating closely, so they build on each other’s expertise.’

‘Dániel Attila Nagy is exceptionally approachable, practical and business-minded. His straight-to-the-point style is refreshing. In addition, I’d like to highlight two other core team members: Lili Albert and Flóra Szalai.’

Key clients

Sberbank Magyarország Zrt. “under voluntary liquidation”

Orbico Hungary Korlátolt Felelősségű Társaság

Samsung SDI Magyarország Gyártó és Értékesítő Zrt.

Hungarian Football Federation (Magyar Labdarúgó Szövetség)

Chervon Autó Precíziós Technológia (Európa) Korlátolt Felelősségű Társaság

ICF Tech Hungary Korlátolt Felelősségű Társaság

Deloitte Advisory and Management Consulting Ltd.

Work highlights

  • Advising Orbico Hungary on the implementation of an HR digitalisation software, enabling the use of electronic signature technology to conclude agreements remotely, as well as the digitalised retention of HR documents.
  • Advising the liquidator of Sberbank Magyarország on the sale and transfer of its performing and non-performing loan portfolios.
  • Advised Samsung SDI Hungary on setting up security systems at its facilities and on the establishment of its international data transfer framework.

KPMG Legal Tóásó Law Firm

KPMG Legal Tóásó Law Firm fields a wealth of data protection expertise and its own privacy management framework, producing GAP analysis and action plans. A recent increase in mandates from notable names in the fintech and software industries has seen the group continue to expand its diverse clientele. As well as data protection implementation projects, the team regularly handles data protection litigation, representing clients before the Hungarian Data Protection Authority. Fanni Márkus, co-head of the data, digital and technology team, is an expert in data protection, privacy and cybersecurity issues. Márkus' counterpart Nora Takacs focuses on data protection due diligence and GDPR compliance projects.

Practice head(s):

Fanni Márkus; Nora Takacs

Key clients


Garantiqa Hitelgarancia Zrt.

Raiffeisen Bank Zrt.

Dataxo Group Zrt.

Kometa 99 Zrt.

Amnesty International Magyarország

Amigos a Gyerekekért Alapítvány

EOS Faktor Magyarország Zrt.

Intrum Zrt.

Manpower Munkaerő Szervezési Korlátolt Felelősségű Társaság

Knapp Hungary Kft.

ALD Automotive Magyarország Autópark-kezelő és Finanszírozó Kft.

Pediatrics Clinic no. I. of Semmelweis University (Bókay Child Clinic)

Colas Hungária Építőipari Zrt.

Budapest Motors Kft.

Kärcher Hungária Kft.

Melco Mobility Solutions Hungary Kft.

SAS Magyarország Vagyonkezelő Zrt.

Work highlights

  • Acting as local data protection officer of the Hungarian Sanofi entities, advising on the preparation of data protection notifications, data processing agreements and joint data controlling agreements, as well as handling data subjects’ requests and data breaches.
  • Providing full-scale data protection support to ALD Automotive Hungary Car Fleet Management and Financing Limited Liability Company in relation to the introduction of telematics services utilising telecoms, GPS and AI for IoT fleet management.
  • Providing full-scale data protection support to Melco Mobility Solutions Hungary, including assisting with a GDPR maturity assessment, preparation of data privacy notices, data privacy policy, document handling policy, interest balancing tests and DPIA.

Siegler Bird & Bird Ügyvédi Iroda

With an ‘exceptional‘ scope of knowledge spanning both EU and Hungarian data protection law, Siegler Bird & Bird Ügyvédi Iroda offers privacy advice on a multi-jurisdictional basis. The ‘outstanding’ data protection team’s international clientele spans various industries, including automotive, healthcare and pharmaceutical. The group handles data breaches and proceedings before the Hungarian Data Protection Authority, as well as assisting with GDPR audits and compliance projects. Bálint Halász leads the team, supported by Ádám Simon, who specialises in data protection and commercial matters in the TMT sector, and Zoltán Tarján, who has expertise in employment-related privacy issues and direct marketing matters.

Practice head(s):

Bálint Halász

Other key lawyers:

Ádám Simon; Zoltán Tarján


‘The data privacy and data protection practice from their Hungary office is outstanding in every regard. They are exceptional in the scope of their knowledge, their ability to apply it on a commercial basis to a leading fast-moving technology company’s needs and contexts that are complex and mission critical, and their ability to work efficiently with our teams.’

‘What I highly value is that I always get a prompt response to my queries. Great efficiency and in-depth knowledge of the industry. Straight to-the-point approach.’

‘Besides their exceptional experience in the telecommunications industry, it is worth mentioning their clear, concise way of communication, which helps us make business decisions more effectively without running needless circles.’

Passion for privacy issues.’

‘Bálint Halász is a very professional lawyer. His broad knowledge helps to solve complex issues.’

‘The team is very responsive with a client-focused, problem-solving approach.’

‘Zoltán Tarján is a great and knowledgeable practitioner.’

Key clients


BT Limited

SEON Technologies





Work highlights

  • Assisting Bitrise with setting up and maintaining its international privacy compliance framework, including in the US, UK, EU and Japan.
  • Advising BT on data breach management and GDPR compliance issues, as well as e-privacy matters.
  • Advising Yettel on data privacy-related matters on a daily basis.

Taylor Wessing Hungary

Taylor Wessing Hungary’s data protection and data privacy team operates on an international level. The practice fields extensive knowledge of data protection regulations and GDPR compliance in Hungary and the EU, and regularly participates in cross-border data transfers. The team boasts a recently established US-EU division, dedicated to advising US-based clients on privacy matters. Often at the forefront of sector developments, the group advises clients on emerging technologies and privacy issues related to AI and the life sciences industry. Practice head Dániel Ódor specialises in the full spectrum of data protection matters and leads the team in its advice on data breaches, data management and privacy policies. János Kopasz is another active member of the team, who ‘comes up with innovative solutions to challenging situations‘.

Practice head(s):

Dániel Ódor

Other key lawyers:

János Kopasz


‘The team consists of professionals with deep legal knowledge in the field of data privacy. Their openness for new initiatives and client engagement is exceptional. In addition to reliable legal advice, the team is great to work with.’

‘We always receive responses and materials within deadlines and working on a tight schedule has not been an issue with them.’

‘Working with János Kopasz has been a really successful process. He is always open for new initiatives, keeps our new ideas on track from a data protection perspective, and he comes up with innovative solutions to challenging situations.’

‘I find their advice is practical, and I like that I can work through the same firm to get advice across the continent. I have received very good service from each office.’

‘Dániel Ódor is one of the most responsive outside counsel with whom I have ever had the privilege to work. He is able to quickly track down counsel within (and outside) his firm that can answer my questions, if he himself is unable to do so. He has provided very good counsel with respect to privacy regulation in Europe for us. A godsend.’

Key clients

AIP Medical Hungary Kft and AIP Medical Holding Zrt (AIPDerm Medical)

Kontron Hungary Kft

Hiya Inc

Hiya Hungary Kft

CML Construction Services Zrt. (Strabag Hungary)

Angelini Pharma

EIPA Hungária Kft

AKA Zrt and A-WAY Zrt (subsidiaries of Strabag)

KRAMP Hungary Kft

Forestay Group


Ekata Inc.

International Property Network Zrt.

Work highlights

  • Developing a comprehensive privacy governance model for AIPDerm Medical’s latest AI-based teledermatology platform.
  • Designed a complete privacy governance model for major IoT player Kontron Hungary.
  • Advising Hiya on issues relating to EU-US data transfers following the Schrems II ruling.

VJT & Partners

The expertise of the data privacy and protection team at VJT & Partners ranges from GDPR audits to representation before the Hungarian Data Protection Authority. Established data protection and privacy expert János Tamás Varga co-heads the team alongside Endre Várady, who is involved in the development of GDPR compliance software. Andrea Belényi has over a decade of experience in both regulatory and compliance matters, and heads the firm’s data protection officer training programme.

Practice head(s):

János Tamás Varga; Endre Várady

Other key lawyers:

Andrea Belényi


‘It is always our pleasure to work with them. Very responsive, collaborative, client-oriented and knowledgeable team. They are very good in working out sophisticated and carefully considered IP strategies.’

‘János Tamás Varga is very commercial, pragmatic and easy to work with. He always sees the bigger picture and masters strategic thinking.’

‘Endre Várady has the perfect ability to grasp the commercial and legal aspects of IP-related agreements. He always offers us clear and tailor-made advice.’

‘The team is quick, responsive, and on point with their legal advice.’

‘The team is very knowledgeable, responsive and thorough in its analyses, and is pragmatic in its advice.’

‘Endre Várady is very proactive.

‘Superb team. They are in-depth specialists with client care and commercial mindedness. The team can make operational even the most difficult GDPR issues. Their automatised GDPR compliance solutions can make the legal work smoother and faster.’

‘VJT has standout privacy practitioners. János Tamás Varga is very strategic and forward-thinking. Endre Várady has unique know-how with always clear guidance and practical solutions. Andrea Belényi is very responsive, with client focus and a problem-solving approach.’

Key clients


4Life Direct


World Bank

Fém & Arts Cafe


Work highlights

  • Advising Google on right to be forgotten matters.
  • Advising World Bank on the Hungarian data protection legal environment.

DLA Piper Posztl, Nemescsói, Györfi-Tóth and Partners Law Firm

Mónika Horváth co-leads the IP and technology team at DLA Piper Posztl, Nemescsói, Györfi-Tóth and Partners Law Firm alongside Zoltán Kozma, who advises public and private sector TMT clients on freedom of information, consumer protection and compliance issues. Márk Almásy has particular expertise in the life sciences sector, advising international companies on the privacy aspects of health data, medical products and devices. Fanny Horváth advises multinational companies on data protection compliance matters.

Practice head(s):

Zoltán Kozma; Mónika Horváth

Other key lawyers:

Márk Almásy; Fanny Horváth


‘Maximum focus on the real needs of the client, transparent risk description and ways to eliminate or minimise risks, ethical solutions always.’

‘Excellent communication – explaining legal terms, and finding the right balance between explaining legal terms and simplifying alternatives to support decisions, providing transparent accounting for service hours completed.’

‘Quick response, excellent ability and empathy to identify the question the client needs answers for, drawing attention to unidentified collateral consequences or risks. Transparency as to assessing pros and cons of alternatives, accuracy meeting deadlines, excellent language skills and friendly but still super professional cooperation.’

Key clients


Rolls Royce Plc.

Wizz Air Hungary Zrt.

Arconic-Köfém Mill Products Kft.

Cognizant Technology Solutions Hungary Kft

Work highlights

  • Advising a UK-based auction house on data subject access rights as well as providing representation in authority proceedings and data protection litigation initiated in Hungary by data subjects.
  • Providing ongoing data protection support for a major global car part manufacturer.


Noerr advises multinational clients across the spectrum of data protection and privacy matters, from representation in contentious proceedings to the preparation of internal documentation and data processing agreements. The team is co-led by Edina Czeglédy and Emese Julia Simon; the former has over 14 years’ experience in handling data breaches and cross-border data transfers, while the latter takes a lead role in data protection assessments and audits.

Practice head(s):

Edina Czeglédy; Emese Julia Simon

Other key lawyers:

Laura Lukacs

Key clients


Boehringer Ingelheim

Schwarzmüller Járműgyártó és Kereskedelmi Kft.

RUAG Aerostructures Hungary Zrt.

CLAAS Hungária Kft.

Giant Gyártó Hungary Kft.

Marshmallow Technology Hungary Kft.

RoboGaze Kft.

Peek & Cloppenburg Kft.

Work highlights

  • Advising Thyssenkrupp on the data protection-related aspects of introducing new HR and IT tools.
  • Advising Boehringer Ingelheim on the data protection-related aspects of the use of its SoundTalks Platform, an online monitoring technology, to discover pig disease at an early stage.
  • Advising RUAG Aerostructures Hungary on a CCTV camera surveillance project.

Oppenheim Ugyvedi Iroda

Oppenheim Ugyvedi Iroda fields a ‘well-rounded’ data protection team, which is increasingly advising on AI-based solutions. As well as risk assessments and GDPR compliance projects, the team is involved in litigation related to data protection matters. ‘Highly knowledgable specialist‘ Ivan Bartal leads the team, with over 23 years of experience advising both local and global clients on IP, IT and data protection matters. Bartal also has particular expertise in e-commerce and software development issues.

Practice head(s):

Ivan Bartal


‘The firm has a well-rounded data protection team.’

‘Ivan Bartal, in addition to his excellent problem-solving skills, is renowned for his innovative approach to often complex data privacy issues, such as the data protection challenges related to biometric facial recognition systems.’

‘Outstanding expertise and customer focus.’

‘Ivan Bartal is a highly knowledgeable specialist in the field of data management.’

‘Great business understanding, and outstanding professional excellence and professionalism.’

‘We are in daily contact with Ivan Bartal; he is flexible, solution oriented, very well prepared professionally and provides excellent stakeholder management.’

Key clients




LKH Leoni

HELL Energy

Vodafone Shared Services

Bank Gutmann




Mediszintech Audiológia Kft.

Tarsago Magyarország (formerly Reader’s Digest)

PROVARIS Varga & Partners

Boutique firm PROVARIS Varga & Partners specialises in technology, data privacy and IP matters, with a strong track record in the health and manufacturing sectors. Practice co-head Ádám Liber regularly represents clients before the Data Protection Authority, as well as advising more generally on Hungarian and EU data privacy law. Tamás Bereczki co-leads the data protection and privacy team, specialising in risk and cybersecurity management, privacy frameworks and cloud services. Zsombor Orbán joined in April 2023 to co-head the practice as part of the leadership trio.

Practice head(s):

Tamás Bereczki; Ádám Liber; Zsombor Orbán


‘Embodies the perfect blend of legal expertise and business-friendly solutions. Their extensive knowledge of TMT privacy matters is truly remarkable. Their ability to navigate through these intricate legal frameworks and provide pragmatic advice was invaluable to our company and in our recent, extraordinarily challenging projects.’

‘Ádám Liber demonstrates a deep understanding of the complex and ever-evolving landscape of privacy laws and regulations in the TMT sector. Highly responsive and efficient, consistently delivering timely and well-researched advice. Tamás Bereczki is a highly qualified professional lawyer and IT specialist, who is always responsive and efficient, and consistently delivers timely and well-researched advice.’

‘I have to mention Tamás Bereczki and Ádám Liber together; as individuals they work in symbiosis, but this does not mean that they are not able to deliver exceptional performance alone. Their style, the way they work, and their professionalism makes them unique and differentiates them from other law firms. They always walk in their client’s shoes.’

Key clients

Contextlogic Inc (d/b/a Wish)


Assa Abloy/FlexiForce Hungary Kft.

Hungarian Tourism Association Foundation

Bank of China (CEE) Zrt.

Extreme Digital-eMAG Kft.

Nestlé Hungária Kft



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Réti, Várszegi and Partners PwC Legal

A recent expansion into the sports sector has seen the data protection and privacy team at Réti, Várszegi and Partners PwC Legal increase its data protection officer services. With varied industry expertise, Csilla Judit Dékány leads the team alongside László Szűcs, who focuses on data protection due diligence and compliance reviews. Edvin Pozsonyi counts sports organisations among his clients, as well as public service providers and start-ups. András Csenterics develops AI solutions, while Márta Zsédely advises public and private sector clients on compliance. Zsófia Straubinger handles GDPR projects within the healthcare and pharmaceuticals industries. Márton Farkas is regularly involved in GDPR projects on a cross-border basis.

Practice head(s):

Csilla Judit Dékány; László Szűcs

Other key lawyers:

Márta Zsédely; Zsófia Straubinger; András Csenterics; Márton Farkas; Zsófia Zomborszky; Edvin Pozsonyi


‘They are extremely knowledgeable in relation to data protection and any element regarding digitalisation.’

‘The team was very responsive and delivered high-quality advice. They also understand quickly and easily very complex fields of law.’

‘András Csenterics and Csilla Judit Dékány stand out as they are both exceptionally knowledgeable, client-oriented lawyers.’

Key clients

Rossmann Magyarország Kft.

PricewaterhouseCoopers Magyarország Kft.|PricewaterhouseCoopers Könyvvizsgáló Kft.

Work highlights

  • Acting as the data protection officer of ROSSMANN Hungary Kft.


Krisztián Osztopáni established the data protection and privacy practice at SBGK in 2018, and heads up the team along with András György, who takes a lead role in data protection audits. The team prepares internal personal data processing and GDPR compliance policies and has seen an increase in GDPR cases before official bodies; the group regularly represents clients before the Data Protection Authority and various domestic courts.

Practice head(s):

András György; Krisztián Osztopáni

Key clients


Schoenherr Hetényi Ügyvédi Iroda

With a diverse roster of national and international clients, the data protection and privacy team at Schoenherr Hetényi Ügyvédi Iroda covers GDPR compliance projects, data protection audits and the implementation of policies. In addition to his promotion to managing partner of the Hungarian office in April 2023, practice head Dániel Gera brings almost 20 years’ experience to the team, and is noted for advising on privacy issues in the workplace. Dorottya Gindl advises on HR-related data processing, and Aron Hegyi focuses on data security in the workplace.

Practice head(s):

Dániel Gera

Other key lawyers:

Dorottya Gindl; Aron Hegyi


‘Absolute knowledge of all! No information has ever escaped their attention.’

‘The “can-do/will-do” attitude – I can always count on them no matter the time of the day, or the complexity of the issue.’

Key clients


Emirates Telecommunications Group Company

European Union Intellectual Property Office

Apple Inc.

BMW Vertriebs GmbH

Cargoe GmbH & Co KG Magyarországi Fióktelepe

Fressnapf-Hungária Kft.

B&B Hotels


Robert Bosch GmbH

Work highlights

  • Assists Fressnapf Hungary with the data protection aspects of its promotions and sales activities.
  • Assisting Geberit Hungary with various data protection issues, including GDPR audits, document retention periods, data processing prospectuses, employee share schemes and reviews of the internal GDPR software.
  • Advised B&B Hotels Hungary on setting up its internal regulations relating to data processing activities and also on the establishment of internal processes.

Sándor Szegedi Szent-Ivány Komáromi Eversheds Sutherland

Katalin Varga heads the data privacy practice at Sándor Szegedi Szent-Ivány Komáromi Eversheds Sutherland, leading the team in its advice on data protection and privacy law. The group’s expertise covers data breaches, audits, mapping and compliance. The practice is regularly involved in GDPR implementation projects on behalf of its extensive international clientele.

Practice head(s):

Katalin Varga

Key clients



Red Bull


Tata Consultancy Services

Yves Rocher

Work highlights

  • Advising Sunrider on its data protection compliance project, including the preparation of privacy policies and notices for different data subjects and the preparation of contracts for data processing.
  • Representing a client in the authority procedure for data protection initiated by one of its former employees.
  • Advising a client on the data protection relation aspects of the launch of its new project, including the use of AI by autonomous delivery robots.

Wolf Theiss Faludi Ügyvédi Iroda

Wolf Theiss Faludi Ügyvédi Iroda has extensive experience in data protection and privacy law, which is complemened by its established presence in the TMT, IP and IT sectors. Leveraging the strength of its dedicated GDPR taskforce, the firm regularly assists with the implementation of antitrust and compliance programs. János Tóth co-heads the data protection and privacy team alongside Barnabás Buzási, who also heads up the employment team; the former advises on data management issues, such as data leaks or cyber attacks, while the latter uses his dual expertise to assist with data protection and privacy matters related to employee data.

Practice head(s):

János Tóth; Barnabás Buzási