
The 'knowledgeable, meticulous' and 'professional' team at Zepos & Yannopoulos advises across a wide range of industries, including energy, defence, infrastructure, and education. Its offering covers tender documentation, joint venture advisory work, compliance, and transaction structuring. The practice is co-headed by Sofia Chatzigiannidou, who specialises in public procurement and concessions, and Anastasia Makri, noted for her expertise in energy M&A. Nasia Gkouma is experienced in international tender procedures, while the 'professional and rigorous' Smaragda Spyrou focuses on renewable energy projects alongside Dimitra Rachouti. Other key contacts include Nikos Koukos and Katerina Fereti.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'The team is very knowledgeable, meticulous, and demonstrates good attention to detail.’
- ‘The advice we received was accurate, business-relevant, professional, and timely. The team quickly grasped the issues raised by our in-house legal service and showed creativity in considering alternatives.’
- ‘Nasia Gkouma and her team consistently provided precise guidance on education law and demonstrated insight into the opportunities arising from current legislation to explore different projects.'
- ‘Smaragda Spyrou is very professional and rigorous.'
- ‘The mindset of the team is highly appreciated, as it combines thorough legal analysis with business-driven advice, that makes it possible to conduct our business operations while fully adhering to the law.’
Key clients
- Hewlett Packard
- Sagemcom
- Melita Marine Group
- FMC
- Digital Realty
- Veolia
- Exolum Group
- Teleflex Medical Hellas
- Greenvolt
- Foresight
Work highlights
Advised Hewlett Packard on the successful awarding of the tender for the installation of Greece’s first supercomputer (“Daedalus”) at Lavrion Technological Park, expected to greatly enhance Greece’s technological capacities.
Advised BAE Systems on its €37 million supply contract with the Hellenic Ministry of Defence for naval weaponry.
Advised Hellenic Defence Systems S.A., one of the most prominent Greek military manufacturers, on its joint venture with a Czech-based investor for the pursuit of EU-wide military manufacturing projects.
Lawyers
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Sofia Chatzigiannidou; Anastasia Makri
Other key lawyers
Nasia Gkouma; Smaragda Spyrou; Dimitra Rachouti; Nikos Koukos; Katerina Fereti
Comparative Guides
Comparative Guide
Energy- Oil & Gas
Greece
Anastasia Makri, Sofia Chatzigiannidou, Dimitra Rachouti & Danai Mini
Comparative Guide
Acquisition Finance
Greece
Paris Tzoumas, Vivian Efthymiou & Daphne Cozonis
Comparative Guide
Project Finance
Greece
Paris Tzoumas & Magda Tsatsi
Comparative Guide
Tax Disputes
Greece
Alex Karopoulos, Dr. Dimitris Gialouris & Theodoros Papadakis

