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.
- ‘Professor Metaxas and Stathis Kakounis lead the practice with a combination of regulatory authority and commercial insight that consistently delivers clear, strategic outcomes for clients. They are supported by younger associates whose diligence and fresh perspective add strength and depth to the team. This balance of experience and emerging talent sets the practice apart and ensures its advice remains both authoritative and forward-looking.’
- ‘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.’
- ‘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.'
- ‘This is a law firm whose head (Prof. Metaxas) and members take a personal interest in your case.’
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