
Testimonials
Collated independently by Legal 500 research team.
‘This team is distinguished by its practical approach and deep knowledge of the energy sector. They are able to anticipate the key elements that will define the regulatory framework of these new businesses, and when the regulations are already established, they offer clear answers on how they believe they will be interpreted and applied.’
‘The team is excellent. It is a pleasure to work with them because they can break down complex technical issues in a way that is easy to understand. Their knowledge and understanding of both legal matters and sector know-how are exceptional.'
'What makes CMS unique is how they combine a deep understanding of the sector’s regulation with strong expertise in M&A. They guide us through entire projects and are a great team to work with—not just because they are experts in energy and regulation, but also because they truly understand our commercial goals and help us achieve them efficiently and without surprises.’
‘The team's communication is clear, prompt, effective, and constant. Luis Miguel is very pragmatic and composed in his decision-making.'
‘César Albiñana carries out a brilliant general coordination of matters, contributing his experience in complex matters and strategic consultations essential for business decisions.'
'Ignacio Grangel pays special attention to the coordination and strategic direction of the matters, as well as in regulatory and procedural advice before the highest judicial authorities. He provides extraordinary analysis and attention to the matters, integrating legal assistance with an understanding of complex technical issues.'
‘The team formed by Juan Moreno and Paula Espinosa for matters relating to the energy sector is exceptional. What distinguishes them is their proximity and willingness to help at all times, in addition to their deep technical knowledge. Through their thorough understanding of the specific problems of each project, they offer concrete solutions and an exhaustive risk analysis.’
Work highlights
- Advised Iberdrola in different M&A transactions.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
César Albiñana; Luis Miguel de Dios; Ignacio Grangel
Other key lawyers
Elena Aguilar; Alfonso Codes; Juan Moreno