Zepos & Yannopoulos provides comprehensive transactional, advisory, and contentious services, frequently handling M&A and joint venture transactions, regulatory matters, and project finance. Anastasia Makri leads the practice, bringing expertise in M&A, and is active in renewable energy, oil, and gas projects. Sofia Chatzigiannidou focuses on regulatory compliance, licensing, and disputes before the Greek administrative courts. Smaragda Spyrou advises on photovoltaic and natural gas projects, PPAs, and large-scale EU and international matters. Other key practitioners include Dimitra Rachouti, who specialises in regulatory issues, and Nikos Koukos, who supports across diverse mandates.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

'Their advice is consistently precise, responsive, and tailored to the complexities of energy projects, including regulatory, transactional, and cross-border aspects.’
‘The energy practice at Zepos & Yannopoulos demonstrates excellent expertise and a deep understanding of the sector. The team combines robust legal knowledge with a clear commercial perspective, offering pragmatic solutions that address both legal and business challenges.'
‘Anastasia Makri has a very business-oriented approach, with an eye for detail.'
‘Smaragda Spyrou is a very valuable partner with in-depth legal and market knowledge.'
‘Smaragda Spyrou is experienced in complex transactions, and she stands out for her responsiveness, expectations management skills, and ability to meet deadlines.'
‘The practice distinguishes itself through its professionalism, reliability, and solution-oriented approach. What makes it unique is the team’s ability to combine legal expertise with clear, transparent, and client-friendly communication. Potential clients will appreciate that the team is not only highly competent but also responsive and pragmatic, always focusing on practical solutions that meet business needs.'

Key clients

Foresight Group
Helleniq Renewables
DEPA Commercial Société Anonyme
Greenvolt
Iberdrola
Infravia Capital Partners
BayWa
Aquila Capital Management
Mirova
European Energy

Work highlights

Advised Foresight and Mirova on the acquisition of a 267 MW PV cluster from Juwi, including full transactional, regulatory and EPC/O&M contract support.

Advised Ecoener on its entry into the Greek market via the acquisition of two wind projects, as part of a wider €300 million investment commitment.

Advised European Energy on all contractual arrangements for its first wind project in Greece, including grid and radar-related agreements.