Firm Profile > GTA Villamagna Abogados > Madrid, Spain

GTA Villamagna Abogados
28001 MADRID

Environment Tier 2

GTA Villamagna Abogados handles litigation, environmental permits and audits, environmental impact assessments and transactional agreements. The team has particular experience advising on industrial and energy projects, with a focus on biomass, solar and thermoelectric energy. Practice head Ernesto García-Trevijano advised Cementos Portland Valderrivas on the environmental regulatory aspects of an urban development plan in Seville involving the use of waste as fuel. The team also includes public law, public procurement and infrastructure specialist Marta Plaza. The group is currently advising Valoriza Servicios Medioambientales and Boremer on the construction and operation of a thermal sludge drying unit in Madrid.

Practice head(s):

Ernesto García-Trevijano

Key clients

Orovalle Minerals

Cementos Portland Valderrivas

Salmedina Tratamiento De Residuos Inertes, S.L.

Valoriza Servicios Medioambientales, S.A.

Banco Bilbao Vizcaya Argentaria S.A.

Ute Cespa Gestión De Residuos, S.A.

Electroquímica Del Noroeste, S.A.U.

Técnica Y Naturaleza, S.A.

Public law Tier 3

Public law boutique GTA Villamagna Abogados specialises in cross-border matters related to regulation. As well as experience in a range of litigation, the firm provides sector-specific knowledge, with notable expertise in energy, infrastructure and construction. Ernesto García-Trevijano has particular strength in the energy sector and co-leads the practice with public law specialist Marta Plaza, who is known for public procurement work.

Practice head(s):

Ernesto García-Trevijano; Marta Plaza


‘The firm has important experience in the field of public law and, in particular, contracts with the public sector’

‘Its best quality is the ease of finding solutions to the most complicated problems and transmitting tranquility at all times’

‘Ernesto García-Trevijano stands out’

‘Marta Plaza and Jesus Estrada are recommended for their good work’

Key clients

UTE Valoriza Servicios Medioambientales, S.A. – Cadagua, S.A.

Members Of The National Orchestra Of Spain

Autopista Madrid Sur Concesionaria Española, S.A.; Autopista Madrid Levante Concesionaria, S.A.; Autopista Guadalmedina Concesionaria Española, S.A.

Concesionaria Costa Del Sol, S.A. And Caixabank, S.A.

Ibisan Sociedad Concesionaria, S.A. (FCC subsidiary)

Althea Healthcare España, S.L.

Cespa Gestión De Residuos, S.A.U.

Sacyr, S.A

Obrascon Huarte Laín S.A. (OHL)

Ence Energía Y Celulosas, S.A

Dispute resolution Tier 4

GTA Villamagna Abogados provides public law expertise combined with specialisms in construction and corporate matters. Industry and energy expert Ernesto García-Trevijano co-leads the practice with Marta Plaza, who advises on public, civil and commercial disputes, including corporate litigation, contractual liability, competition actions, and protection of industrial and IP rights.

Practice head(s):

Ernesto García-Trevijano; Marta Plaza

Key clients

Tranvía De Parla, S.A.

Smart Hospital Cantabria,S.A.

Ence Energía Y Celulosa, S.A.

Insolvency Administration Of Autopista Madridlevante, Concesionaria Española, S.A.

Insolvency Administration Of Autopista Del Henares, Concesionaria Del Estado,S.A.

Insolvency Administration of Autopista Madrid Sur, Concesionaria Española, S.A.

Azierta Ingenia, S.L.

Eólica Valle De Peraleda, S.L.

Tema Concesionaria, S.A.

Tax Tier 4

Recognised for its 'high degree of specialisation and personalised service', GTA Villamagna Abogados fields a multi-disciplinary team which advises on the full spectrum of tax-related matters. Founding partner Felipe Alonso has expertise in tax litigation, private banking, corporate tax law and indirect taxation.

Practice head(s):

Felipe Alonso


We have worked with other firms in the past, and we think GTA is better due to its personal attention and its high degree of specialisation.’

Projects and energy Tier 5

GTA Villamagna Abogados has experience in the construction and operation of power plants, as well as advising on regulation in the renewable energy market. The firm also has expertise in direct power purchase agreements (PPAs) and litigation in energy and natural resources matters. Ernesto García-Trevijano focuses on issues relating to thermosolar, biomass and photovoltaic energy production plants in Spain. He co-leads the team with Marta Plaza, who advises public authorities and private companies in energy and natural resources matters.

Practice head(s):

Ernesto García-Trevijano; Marta Plaza

Key clients

FCC Industrial E Infraestructuras Energéticas, S.A.

Inabensa (Abengoa)

Ithaka Partners, S.L.

Técnica Y Naturaleza, S.A.

Valoriza Servicios Medioambientales, S.A. -Cadagua, S.A., And Valoriza Servicios Medioambientales, S.A. -Boremer, S.A.

Seridom Servicios Integrados Idom, S.A.

Unidad Sindical Usuarios Del Júcar

Compañía Hidroeléctrica De Los Regantes Del Canal De Aragón Y Cataluña, S.A.

Ence Energía Y Celulosa, S.A.

Valle, Ballina Y Fernández, S.A.

Real estate and construction Tier 5

Specialising in planning matters, GTA Villamagna Abogados has particular expertise in disputes, urban development and issues related to public law. Ernesto García-Trevijano leads the practice and has experience in construction and real estate planning matters. Notable in his team is Marta Plaza, who advises public authorities and private companies on planning.

Practice head(s):

Ernesto García-Trevijano


‘The level of quality and satisfaction is maximum’

‘Ernesto Garcia Trevijano and Marta Plaza are recommended’

‘Exceptional knowledge, assertiveness, diligence and client service’

Key clients

Espiga Equity Partners S.G.E.I.C., S.A.

Oaktree Capital Management, L.P.

Grupo Rayet, S.A.

Quabit Inmobiliaria, S.A.

Programas De Actuación De Baleares, S.L.

Cementos Portland Valderrivas, S.A.

Oca Construcciones Y Proyectos, S.A.

Expoelectro, S.A.

Zapata, S.A.

Ithaka Partners, S.A.

The firm

The firm was founded by Felipe Alonso and Ernesto García-Trevijano, two highly renowned professionals with successful careers in both public administration and the legal profession.

The firm provides services with an international focus that are tailored to its clients’ needs. Its corporate structure allows it to provide innovative and creative solutions, maintaining the highest standards of quality and guaranteeing close and flexible relations with its clients.

The firm creates fully cooperative and stable relationships with its clients based on its values of: legal expertise, added value, initiative and creativity, commitment, personalised attention, and an international approach.

Areas of practice

Commercial corporate and M&A Our Firm provides legal advice to companies in the broadest sense. Our lawyers have extensive and recognized experience in assisting clients from a wide range of sectors in national and cross-border M&A and financing transactions, as well as providing them
with advice on general corporate matters, including corporate governance, commercial contracts and transactions, M&A, banking and project finance.

Construction and real state GTA Villamagna Abogados has a broad experience in real estate practice, covering all aspects including purchase agreements, construction agreements, asset management and financing and legal configuration of significant buildings.

Dispute resolution The Firm has extensive experience in the judicial area, providing sophisticated solutions in pre-litigation and contentious to the most varied and complex issues that our clients, both companies and individuals.

Environmental GTA Villamagna Abogados advises key actors in the legal evaluation of complex audits and also advises local Authorities on the regularisation of local supplement of natural resources; the Firm also carries out the most complex litigations on environmental matters.

Projects and energy The Firm as a dedicated practice group with vast experience in the promotion, construction and operation of power plants, the regulatory framework of renewable energy sources and public procurement contracts. This practice group advises key actors on the renewable energy market and handles complex issues relating to mining public concessions and exploitation contracts of mines. It also represents its clients on contentious matters before the Spanish courts.

Public law The firm excels in this area by achieving a high level of quality and experience in providing legal advice to both public administrative agencies and private companies, in: public procurement, public-private partnership, administrative concessions, administrative law penalties, ‘due diligence’ processes, etc.

Tax GTA Villamagna Abogados enjoys an excellent reputation in advising on tax matters of the utmost complexity, and is recognised by customers for its
ability to develop innovative solutions with the highest level of quality and technical expertise. Within the tax practice the following areas of expertise can be highlighted:

  • Tax litigation: Advises and represents individuals and legal entities in their defence in economic, socioeconomic and financial crimes, including corporate crimes, punishable insolvencies, tax and social security related crimes or crimes against public administrations.
  • Wealth Advisory: Focused on providing global advice (including tax advice, consulting and succession planning) on wealth and estate planning to high net worth families and individuals, family offices and private banking clients.
  • Corporate Tax: The Firm provides tax advice in all kind of corporate tax issues including on-going tax advice to national and international companies, corporate restructuring transactions, M&A and tax structuring for both inbound and outbound investments.
  • Indirect Taxation: GTA advises on indirect taxation matters linked to real estate investments, financial and restructuring transactions.


Department Name Email Telephone
Commercial corporate and M&A Ernesto García-Trevijano
Commercial corporate and M&A Jorge Alonso
Construction and real estate Ernesto García-Trevijano
Construction and real estate Marta Plaza
Dispute resolution Ernesto García-Trevijano
Dispute resolution Mercedes Bértolo
Environmental Ernesto García-Trevijano
Projects and energy Ernesto García-Trevijano
Projects and energy Jesús Estrada
Public law Ernesto García-Trevijano
Public law Marta Plaza
Tax Felipe Alonso
Tax Carlos Marcelo
Tax Javier Povo
Photo Name Position Profile
Mr Carlos Marcelo  photo Mr Carlos Marcelo
Mr Javier Povo  photo Mr Javier Povo
Partners : 6
Lawyers : 37
Paralegals : 4