POTAMITISVEKRIS primarily advises on regulatory, data protection and compliance issues, earning recognition for its ‘global perspective combined with local expertise in Greek and EU law’. The practice is led by Spiros Tassis, Alexandros Kortesis and Xenophon Paparrigopoulos. Tassis, regarded as a ’pioneer in TMT and privacy law’, is active in data protection, cross-border transfers and GDPR compliance, while Paparrigopoulos brings expertise in competition law and intellectual property. The ‘very responsive, knowledgeable’ Panagiota Kelali frequently supports the team on a variety of matters. The team’s client roster spans consumer goods, telecommunications, hospitality and e-commerce platforms.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘We are working on a daily basis with the partner Spiros Tassis and his team. They have very in-depth knowledge of the data protection and privacy sector. We also appreciate their availability and the business-oriented approach.'
- 'We have a long lasting, constructive and very effective collaboration.'
- ‘Panagiota Kelali is very responsive, knowledgeable and pleasant to work with.’
- 'Their ability to translate complex regulations into actionable strategies sets them apart, making compliance a driver of innovation.’
- ‘Spiros Tassis, with over 25 years as a pioneer in TMT and privacy law, brings unmatched expertise in navigating GDPR, the EU AI Act, the Data Act, cybersecurity and all related regulation. His strategic vision ensures we’re always ahead of regulatory curves. Unlike competitors, their hands-on, client-centric approach feels like a true partnership and assures us in every decision made.'
- 'Their ability to understand our industry, anticipate risks like the limits in using personal data in public media or AI compliance challenges, and provide practical, tailored solutions has been a crucial factor for us. They have also been proactive, responsive, and truly invested in our success. Their global perspective combined with local expertise in Greek and EU law makes them an invaluable partner.’
Key clients
- The Procter & Gamble Company
- NOVA Telecommunications & Media S.M.S.A
- Alter Ego Media SA
- Coca-Cola Hellenic SAIC
- Coca-Cola HBC Services MEPE
- CCB Management Services GmbH
- Hotel Investment Partners
- Hellenic Ministry of Digital Governance
- WELLCOMM SINGLE MEMBER S.A.
- CRS LIKNOSS
- University of Athens / eLearning
- Diageo Hellas, affiliate of the multinational company DIAGEO
Work highlights
Providing DPO services and advising on data protection matters for Alter Ego Media.
Advising Wellcomm on an ongoing basis on matters arising from data protection law, consumer protection law, as well as complex and highly specialized issues arising from novel technologies and pieces of legislation.
Advising Fourlis Group - ΙΚΕΑ on an ongoing basis regarding data privacy policies, internal procedures, data subject requests, loyalty programs, relevant collaboration agreements with third party service providers, and general compliance issues in Greece, Cyprus, Bulgaria and Romania.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Spiros Tassis; Alexandros Kortesis; Xenophon Paparrigopoulos
Other key lawyers
Panagiota Kelali