
Primarily focusing on high-value ICC arbitration claims and tortious behaviour disputes before the Greek criminal courts, Dryllerakis Law Firm has ‘great experience’ in acting on behalf of multinational energy and retail corporations. The team has extensive cross-sector expertise, covering the aerospace, banking and healthcare industries, to name a few, with Athens-based co-heads Gerassimos Apergis and Vassilis Constantinidis specialising in the whole spectrum of business and unfair competition litigation. John Dryllerakis predominantly concentrates on tax and M&A proceedings, and Panagiotis Kakaletris is highlighted for his work in the electricity sphere. Manolis Zografakis is another key practitioner in the department.
Testimonials
Collated independently by Legal 500 research team.
‘Knowledge, devotion, preparation, promptness, sharpness in assessing situations and risks.’
‘The team is extremely devoted to each and every case. They take personal interest. They are very professional and are always updated about every single aspect of each case. In Greece hearings tend to be postponed frequently which means that witnesses or persons of interest need to be prepped over and over and as time goes by this gets more and more challenging. Dryllerakis team is always on call, ready with all relevant information and details at all times.’
‘Dryllerakis & Associates has great experience both in arbitration and in litigation. They offer very good services in reasonable prices in comparison with other firms specialized in arbitration.’
‘Ms Claire Sergaki has deep knowledge of Greek Law and of arbitration law, Greek and international. She has extensive experience in arbitrations. She is very hard-working, writes very well and is rigorous and smart at the hearings. She is always available when needed.’
‘Panagiotis Kakaletris, in particular, is a standout partner. His expertise in public procurement, commercial and corporate disputes, has been invaluable. Panagiotis is not only legally astute but also understands the broader business context in which his clients operate. His approach to problem-solving is pragmatic, and his ability to negotiate intricate settlements sets him apart from competitors. Ioanna Papadogiorgaki is highly collaborative and effective in public procurement disputes.’
‘Excellent knowledge of the legal sector under question, with strong expertise and experience.’
‘Unique combination of partner availability, business mindset, deep understanding of the financial and commercial aspects of the business and high-quality work.’
‘Panagiotis Kakaletris, litigation partner, is extremely approachable, and combines a deep knowledge of the business and its commercial and financial intricacies with a solid legal litigation knowledge and experience. Highly reliable and business friendly.’
Key clients
- Burlington Books
- Elais-Unilever Hellas SA
- Hellenic Electricity Distribution Network Operator SA (HEDNO SA)
- HELLENiQ ENERGY
- Elastika Pirelli CSA
- Mondelez
- Olympic Brewery (Carlsberg Group)
- Sfakianakis SA
- H&M
- YTONG SA
- Ministry of Finance of the Hellenic Republic
Work highlights
- Defended the Hellenic Republic in a multimillion-Euro Covid-19-related arbitration under the LCIA Rules.
- Represented Olympic Brewery (Carlsberg Group) before Dutch Courts in a Greek civil law claim for damages exceeding €200m.
- Defended UNILEVER in a multimillion-Euro dispute with former distributors.
Lawyers

Practice head
The lawyer(s) leading their teams.
Gerassimos Apergis, Vassilis Constantinidis