Metaxas & Associates Law Firm specialises in complex regulatory, competition, and energy disputes for corporate RES producers, electricity traders, and independent power producers. Co-head Antonis Metaxas advises major energy companies, industrial clients, and institutions. Co-head Efstathios Kakounis is known for advising corporate investors on large-scale renewable energy projects. Polyxeni Gkaintatzi has advised RES producers, suppliers, and aggregators on regulation, licensing, and related litigation.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- ‘Metaxas & Associates combines expertise in dispute resolution with a strong client focus. The team is known for handling complex disputes with precision and practicality, offering clear guidance even under pressure. What sets them apart is their personal approach - partners remain hands-on throughout, supported by meticulous and proactive associates.’
- ‘Metaxas & Associates combines deep legal knowledge with a very practical, results-oriented approach. What really sets the team apart is their ability to stay responsive and attentive, while always keeping advice focused on the client’s business goals. Mr. Metaxas is a stand-out partner - sharp, strategic, and persuasive in complex disputes, with a talent for seeing the bigger picture without losing sight of crucial details. The associates are equally impressive: thorough, proactive, and reliable, they bring a sense of confidence that every case is fully prepared and well-managed.’
- ‘This is a law firm whose head (Prof. Metaxas) and members take a personal interest in your case.’
- ‘Prof. Metaxas has profound knowledge of EU law, including State aid law and of the relevant jurisprudence.'
- ‘The team is dynamic, highly skilled, and consistently brings a positive, solution-focused mindset to every matter they handle. Their expertise is matched by a strong sense of dedication, evident in their ability to quickly grasp complex issues and provide thoughtful, well-informed advice.’
- ‘Metaxas and Associates Law Firm brings together a team of highly distinguished and qualified legal professionals, each possessing specialised expertise across a diverse range of legal fields.'
Key clients
- Desfa S.A.
- Hellenic Hydrocarbons And Energy Resources Management SA
- Enteka S.A.
- Elpedison S.A.
- Dicorent Ltd
- Solaris Energeiaki Anonymi Etaireia
- Solar Park Single Member S.A.
- Eurosolar Energy Single Member S.A.
- ENVALUE Energie Holding GmbH & Co. KG
- Panhellenic Association of Photovoltaic Power Producers
- HelleniQ Energy Group
- Energeiaki Drymou I.K.E.
Work highlights
Represented independent electricity producers from photovoltaic stations before the Council of State in a decision delivered in the context of a pilot trial concerning the Transitional Security of Supply Charge (commonly known as the “interruptibility fee”).
Practice head
Antonis Metaxas; Efstathios Kakounis
Other key lawyers
Polyxeni Gkaintatzi