Dryllerakis Law Firm advises on the full spectrum of regulatory, transactional, and contentious matters, with notable activity in electricity, solar photovoltaic, and waste management projects. Co-head Emmanuel Dryllerakis brings expertise in public procurement and M&A, while Cleomenis Yannikas, described as a ‘trusted advisor in critical negotiations,’ focuses on regulatory, M&A, and privatisations. Anna Ntionia, praised for her ’proactive mindset,’ handles complex regulatory issues, PPAs, and M&A transactions. Claire Sergaki is regularly engaged in arbitration, and Ioanna Papadogiorgaki provides support on due diligence and procurement mandates.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Anna Ntionia stands out for her ability to combine precision and clarity, delivering legal advice that is structured, practical, and closely aligned with business objectives. She leads project teams with a collaborative and confident approach, consistently producing excellent, timely results while maintaining a positive and productive working atmosphere.'
- ‘Beyond their technical skills, I particularly valued their approachability and professionalism, which are essential qualities in building strong and lasting working relationships.’
- ‘Τhe team offers strategic, technically informed advice across regulatory and transactional matters in the energy sector. The team’s strength lies in its interdisciplinary approach, collaborating closely with competition, corporate, public law, and finance teams to provide holistic and commercially focused solutions.'
- 'Clients appreciate the team’s responsiveness, clarity, and ability to balance legal precision with technical insight. Innovation is central to the practice. The practice also leverages advanced technology tools for regulatory monitoring, enabling clients to stay ahead in a rapidly evolving sector. This dynamic, diverse team is well equipped to support clients through the fast-changing energy landscape.'
- ‘Anna Ntionia consistently distinguishes herself through her genuine passion for the energy sector, the environment, and regulatory matters. Her commitment to her clients is unwavering, and her enthusiasm for the field goes far beyond legal work — it’s reflected in her deep curiosity, constant pursuit of knowledge, and her ability to stay ahead of developments in both policy and technical innovation. What truly sets her apart is the rare combination of top-tier legal expertise with a strong grasp of the technical and operational dynamics of energy markets. She consistently thinks outside the box, offering creative, forward-thinking solutions to complex regulatory and transactional issues. Her proactive mindset and ability to anticipate challenges make her an invaluable partner in a rapidly evolving sector.'
- ‘The energy team stands out for its exceptional responsiveness, depth of analysis, and genuine commitment to understanding clients’ needs. Throughout our collaboration, they have consistently demonstrated strong availability, attention to detail, and the ability to anticipate potential risks before they materialise. What truly differentiates them is their collaborative mindset and willingness to engage in thoughtful discussions, particularly when matters are of strategic importance to the client. Their advice is not only legally sound but also commercially informed and pragmatic. The team’s approach combines technical excellence with a client-focused attitude, making them a trusted and valuable partner compared to other firms in the market.’
Key clients
- Hellenic Electricity Distribution Network Operator S.A.
- REDEN SOLAR Greece S.A.
- HELLENiQ ENERGY Holdings S.A.
- HELLENiQ Renewables
- ElpeFuture S.A.
- Sirec Energy S.A.
- Larco S.A.
- Electrip Global
- Watt and Volt S.A.
- Hellenic Fuels S.A.
- National Energy
- Entricity
Work highlights
Advised HELLENiQ ENERGY Holdings S.A. on the acquisition of Edison’s 50% stake in Elpedison S.A.
Advised Prysmian Powerlink SRL in relation to complex contractual dispute resolution arising from the Crete-Attica interconnection project.
Advising Plastics of Crete, an industrial energy consumer, on the development and implementation of a large-scale self-consumption energy project.
Lawyers
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Emmanuel Dryllerakis; Cleomenis Yannikas
Other key lawyers
Anna Ntionia; Claire Sergaki; Ioanna Papadogiorgaki