GTA Villamagna Abogados > Madrid, Spain > Firm Profile

GTA Villamagna Abogados
28001 MADRID

Spain > Environment Tier 2

Spain > Public law Tier 3

The ‘exceptional‘ public law practice at GTA Villamagna Abogados stands out for its ‘great knowledge and experience in the area‘, with the team a popular choice for clients seeking advice on the construction and operation of public infrastructure, including highways and ports, and the management of public services. The team, led by Ernesto García-Trevijano, who ‘perfectly combines knowledge and experience‘, Marta Plaza and Jesús Estrada, also features senior associate Javier García, active in public procurement work.

Other key lawyers:


‘This is an exceptional public law firm. What makes it unique is its great knowledge and experience in the area -especially concessions- along with its ability to understand the needs of the public interest and make them compatible with the defense of private interests. The most powerful firm in concessions. I’d highlight its relationship with the client ability to listen, understand and dissect the problem to offer the best solution. In the face of any inconvenience or position of the opposing party, exceptional ability to offer satisfactory alternatives. Excellent negotiating skills.’

‘Ernesto García-Trevijano is a source of knowledge in public law. One of the best Spanish lawyers in public law. His past experience as a lawyer of the Council of State, his many publications, his unsurpassed knowledge of the Administration and his extensive professional practice, endow him with unbeatable rigor and facility to provide solutions to complex issues. His great humility and closeness in dealing with the client. Marta Plaza is a great urban law attorney. With a powerful training and very fast and skillful in meetings.’

‘Ernesto García-Trevijano has a deep knowledge of public law due to his experience and as a lawyer of the Council of State. The speed in understanding the problem, its analysis and resolution capacity are excellent.’

‘It is a multidisciplinary team that combines new technologies with traditional ones, so that the client always feels well advised. Well-planned strategies from the beginning to the end of each matter. They have been able to advance in the new means of communication caused by the pandemic, without abandoning close and continuous contact with the client.’

‘Jesús Estrada is highly appreciated for his knowledge and the way he deals with each problem, making the client feel comfortable with the chosen option, and bringing each matter to a successful conclusion. Ernesto García-Trevijano perfectly combines knowledge and experience, is able to adapt to complex situations and provide an appropriate solution.’

Key clients

Autopista Madrid Sur Concesionaria Española

Autopista Madrid Levante Concesionaria

Autopista Guadalmedina Concesionaria Española

Macquarie Asset Management

British Columbia Investment Management Corporation


Ute Ferrovial Agroman

Constructora Peache

Tranvía De Parla

Madrid 407, Sociedad Concesionaria

Orovalle Minerals

Xallas Electricidad Y Aleaciones

Vigo Cruise Terminal

Ute Eurofinsa-Rubau

Panattoni Spain Development

Work highlights

  • Advising Autopista Madrid Sur Concesionaria Española, Autopista Madrid Levant Concesionaria and Autopista Guadalmedina Concesionaria Española on several judicial proceedings before the Supreme Court against the Spanish State.
  • Advised Macquarie Asset Management, British Columbia Investment Management and Mea on the acquisition of a solar energy company.
  • Advising Ute Ferrovial Agroman and Constructora Peache on a judicial procedure initiated before the Public Health Administration.

Spain > Tax Tier 4

At GTA Villamagna Abogados, tax litigation is a core pillar of strength for the team, which is well known for defending clients in criminal proceedings. The group is also well known for assisting high-net-worth clients with wealth management and tax audit procedures, and handling the tax structuring of M&A, reorganisations, and real estate and financial transactions. Founding partner Carlos Marcelo, who focuses on tax matters in the financial and insurance sectors, is a name to to note. Since publication, Felipe Alonso, Javier Povo, and Antonio Ruiz left the firm.

Other key lawyers:

Carlos Marcelo; David Caballero; Ángel Gil


‘The difference between them and other firms is that they address the problem directly and look for all the possible implications, giving clients a sense of security by removing possible contingencies.’

‘The team has exceptional technical knowledge and the ability to translate it into a practical environment, and shows creativity and innovation in advising on tax laws or regulations.’

‘The GTA team is young and dynamic. As for the possible differences between GTA and other firms, I would like to highlight the flexibility of its team to adapt to the needs of clients and the rigour of its approach. They stand out especially when it comes to preparing honest fee proposals adapted to each type of advice required.’

‘The people who make up the GTA tax team are technically brilliant and offer practical and innovative solutions in areas where some more traditional firms offer standard approaches. Carlos Marcelo stands out in this practice area: in addition to his availability and closeness to the client, it is his innovative drive that makes the team stand out as a whole. Carlos is also a very reliable professional and committed to the matters entrusted to him.’

Key clients

Taurus Capital

Santa Lucia Group of Companies

Spain > Dispute resolution Tier 5

GTA Villamagna Abogados has recently been active in arbitration, handling cases concerning contract breaches and corporate matters, and is also well versed in judicial litigation concerning tort, IP, and distribution and franchise agreements, among other areas. The highly regarded Ernesto García-Trevijano leads the team, which is noted for its ‘disposition, ease of understanding and negotiating capacity‘. Other key practitioners include ‘excellent professionalMarta Plaza, who specialises in public, civil and commercial disputes, and Jesús Estrada, a ‘highly skilled lawyer‘ who regularly acts in high-stakes disputes.

Practice head(s):

Ernesto García-Trevijano

Other key lawyers:

Marta Plaza; Jesús Estrada; Mercedes Bértolo


‘The team has been able to handle the litigation while supporting the company’s day-to-day activities in an exemplary manner. Both the partners and the junior lawyers give outstanding support.’

‘Marta Plaza is an excellent professional, assertive and with maximum resolution capacity.’

‘Ernesto García-Trevijano and Jesús Estrada have an enormous capacity to know all the details while also foreseeing the opponent’s actions.’

‘Over the years I have worked with different law firms, but the disposition, ease of understanding, speed of understanding and negotiating capacity of Gta. Villamagna makes them different, in addition to their legal capacity and speed of technical learning when there is a very specific variable in the sector that they must defend.’

‘Jesús Estrada is a highly skilled lawyer, he is very resourceful and responsive to litigation dynamics. His advice has proven to be effective.’

‘Disposition, negotiation capacity, immediate clarity of the matter before them, speed of understanding. In my opinion, Ernesto García-Trevijano is an exceptional lawyer with a capacity that up to now I had not seen in any other lawyer. Javier García’s speed in solving last minute problems has been fundamental.’

‘Very adequate billing and results with great certainty and predictability.’

‘Jesús Estrada is an expert in the type of contracts on which our activity is based and provides added value for each particular matter. He is able to adapt to group meetings with different members of the organisation and lead the proposed solutions. Ernesto García-Trevijano combines great experience with his knowledge and always brings the latest trends and jurisprudence to each problem that arises.’

Key clients







PROMONTORIA COLISEUM REAL ESTATE, S.L.U. (Cerberus Global Investments B.V.)




Work highlights

  • Advising Sacyr on judicial procedures initiated against the Spanish public administration.
  • Advising Tranvía de Parla on several procedures related to the contractor’s retribution in the contract for the construction and exploitation of the tramway in Parla.
  • Acting for Avore Inversiones in a lawsuit filed by Burger King Spain.

Spain > Projects and energy Tier 5

The ‘committed‘ energy team at GTA Villamagna Abogados specialises in the construction and operation of power plants and investments in the renewable sector, with additional ‘knowledge of administrative and regulatory law‘. Founding partner Ernesto García-Trevijano heads the team, with experience in thermo-solar, biomass, eolic and photovoltaic production plants, with Marta Plaza and Jesús Estrada also noted as key contacts.

Practice head(s):

Other key lawyers:


‘They have consolidated their knowledge of the strong regulatory environment but have also developed a results-oriented legal vision aligned with the client’s business objectives.’

‘Their positive attitude makes it easy to find alternative and flexible solutions.’

‘Their knowledge of administrative and regulatory law is exceptional, but they are also committed professionals.’

‘Their responses are always results-oriented and adjusted to the urgency that is required, which allows the client to act immediately in situations that arise.’

Key clients

Xallas Electricidad y Aleaciones


Orovalle Minerals

Junta de Compensación del Sector

Duet Spa & Sports

Ohl Servicios


Grupo Aguas Alfaro

Ibox Energy

Nexwell Power

Volkswagen Group Charging

Work highlights

  • Advising Xallas Electricidad y Aleaciones with regard to its eight hydroelectric energy production facilities.
  • Advising Treemond on the acquisition of a strategic plot.
  • Advising Orovalle Minerals on legal issues related to the daily operations of the El Valle-Boinás mine.

Spain > Real estate and construction Tier 5

GTA Villamagna Abogados is home to an experienced team, which has been engaged in urban planning mandates, as well as disputes pertaining to domestic town planning. Ernesto García-Trevijano co-leads the team with Marta Plaza, who advises public authorities and private companies on planning matters, including equitable distribution of land, and the preparing and processing of planning instruments and urban management instruments.

Practice head(s):

Ernesto García-Trevijano; Marta Plaza


‘It is a law firm with great experience and great flexibility to respond to problems quickly.’

‘Ernesto García-Trevijano has great knowledge and experience, and provides quick answers/solutions.’

‘Marta Plaza has the ability to delve into problems and has a great capacity for work.’

Key clients











Work highlights

  • Advised PP8 BOARD OF COMPENSATION (JUNTA DE COMPENSACIÓN DEL PP8 EL LUCERO) on all matters related to the urban development of the PP8 EL LUCERO in Alcorcon.

Spain > Commercial, corporate and M&A

GTA Villamagna Abogados is handling an increasing number of deals within the €20-€60m bracket, operating across a roster of M&A, private equity, strategic investment and capital raising transaction, in addition to corporate governance and shareholder activism mandates.

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
Tax Antonio Ruiz
Photo Name Position Profile
Felipe Alonso Fernández photo Mr Felipe Alonso Fernández Founding Partner of GTA Villamagna Abogados in 2012, Co-Managing Partner of the…
Jesús Antonio  Estrada  photo Mr Jesús Antonio Estrada Partner at GTA Villamagna Abogados. He specializes in Regulated sectors;  Legal reviews,…
Ernesto García-Trevijano photo Mr Ernesto García-Trevijano Co- managing Partner at GTA Villamagna Abogados. He specializes in Public and…
Carlos Marcelo photo Mr Carlos Marcelo Partner in GTA Villamagna Abogados. Tax advice on domestic and international matters…
Marta Plaza photo Ms Marta Plaza Partner at GTA Villamagna Abogados. She specializes in Public and private procurement;…
Javier Povo photo Mr Javier Povo Partner of GTA Villamagna Abogados. Specializing in tax litigation / tax controversies,…
Antonio Ruiz  photo Mr Antonio Ruiz Partner at GTA Villamagna Abogados. Specializing in general tax law, real estate…
Partners : 7
Lawyers : 37
Paralegals : 4