National reference law boutique in Administrative Law and Administrative Law Litigation
Nacional: Madrid | Barcelona | Seville | Cordoba
Red internacional: Panama | Republica Dominicana | Costa Rica | Oporto | Paris
Specialists in complex cases of Administrative Law and Administrative Law Litigation
A team with lawyers mostly from top-level national and international firms
We mediate in matters of media, social, legal and economic impact.
Clients: National and international companies, Associations and Public Administrations

We have been considered the best law firm in Spain, number 1, in Administrative Law, by the prestigious objective ranking of judicial performance of Emérita Legal.

National coverage

We provide services throughout the whole country. By means of various collaborations, we have offices in Madrid, Cordoba, Barcelona and Seville.


We deal exclusively with administrative law and Administrative law litigation (Contencioso Administrativo) proceedings, specialising in complex cases.


We combine technical excellence with premium customer service, to which we also offer maximum dedication and interest.

We have been finalists in the Expansión Awards for the best contentious-administrative performance 2022, together with Garrigues, Uría, Pérez-Llorca and Ramón y Cajal.

Antonio Benítez Ostos

«We are advocates for causes that seemed impossible»

Lawyer specialising in Administrative law and Administrative law litigation (Contencioso Administrativo)

He has held management positions in international firms such as Andersen and Martínez-Echevarría

Professor of Administrative Law at the Instituto Superior de Derecho y Economía in Madrid

Awarded the “Andalucía Excelente” award in the Administrative Law category

Professor of Public Law at the University Loyola Andalucía

Director of the Administrative Law Section at Economist & Jurist

We have our own training school on Administrative and Contentious-Administrative Law

Media appearances

Media that contact Administrativando


Media cases

We handle proceedings of the utmost social relevance and legal complexity. Among many others, the defence of the Alvia Case, requesting an independent investigation of the second most serious railway accident in Spain, we advise the International Police Association, the Association of State Tax Inspectors, the Association of State Management Technicians, Fedeca (which represents elite government bodies such as the State Attorney's Office), the representation of the International Association of French Teachers, following the reduction of teaching to one hour a week in Madrid's secondary schools, the appeal against the centralised contracting of masks and protective equipment by the Community of Madrid, with an estimated value of one billion euros, the appeal against the Supreme Court's condemnation of the Ministry of Finance for 2.8 million euros in relation to the Hotel Sol Marbella, managed by Meliá, the advice to the Spanish Red Cross and the representation of one of the main concessionaires of the Soria aerodrome.

The company has been appointed member of the Advisory Board and the Management Committee of the Association of European Attorneys (AEA).

What do our clients think?

We have an average rating of 5 stars on Google My Business. Check below the experience with our firm of people who hired us.

Commitment to defending their clients
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Thank you very much for being there to solve all our doubts at any time. It is a pleasure to work with a professional who puts all his efforts to defend his clients against the outrages of the administration. The best expert in Contentious - Administrative Law that we have been able to find. „Knowing and knowing how to prove it is worth twice“. P.S. The case is won.
Unbeatable personal treatment
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The best legal professional I have ever met. In addition to the excellence in the defence of the case, he displays a superb personal treatment, getting involved in personal issues collateral to the case. He also responds with unusual speed to the doubts we ask him. 100% recommended.
Very good professional
Read More
Very good professional. Resolute and attentive. Responsible and one of those who set things right. Highly recommended.

Who trusts us?

Nuestro equipo, a lo largo de su trayectoria, ha asesorado a compañías nacionales e internacionales, miembros del poder público, clubes de fútbol, Administraciones Públicas y sus autoridades, asociaciones y personas físicas, entre otros.


We have a solid team of professionals, with a rich experience in the defence of cases related to Administrative Law and Administrative law litigation (Contencioso Administrativo).

In order to guarantee the highest quality and legal rigour, our Managing Partner Antonio Benítez Ostos is involved in the guidance of the procedures, together with the assigned lawyers.


We provide legal services throughout the whole country and based on various agreements, we have offices in the main cities of Spain. Additionally, as a result of our alliance with Estudio Jurídico Javier Ernesto Sheffer Tuñón y Consultores, Ernesto Jinesta Lobo, Carlos Felipe Law Firm, and CRC Advogados, we have international presence in Panama, Costa Rica, Dominican Republic, Porto and Paris.



Calle Príncipe de Vergara, 112
28002 Madrid


Calle Concepción, 4, 3º A
14008 Córdoba

Representative offices


Plaza de Gal·la Placídia, 1-3
08006 Barcelona

Costa Rica

Av. Bolívar No. 241 Edif. Bienvenida,
Suite 301 La Julia, Santo Domingo.


Calle Bartolomé de Medina, 1, 2 D2
41004 Sevilla

República Dominicana

Santa Ana, Av. 11 Calles 4 y 6.
San José, Costa Rica.


Avda. de las Américas, Ed. Cristal, Plta baja. 4, Ofic. 4. Rep. de Panamá.


6 Pl. Saint-Sulpice,
75006 Paris, Francia


Esplanada do Castelo, 141
4150-196 Oporto, Portugal.

* Alliances: With Utopicus, in Madrid and Barcelona. With Ignacio Valduérteles, in Seville. With Estudio Jurídico Javier Ernesto Sheffer Tuñón Law Firm, in Panama. With Ernesto Jinesta Lobo, in Costa Rica. With Carlos Felipe Law Firm, in the Dominican Republic. With CRC Advogados, in Porto. With Pamina Avocats, in Paris.


To contact us, please fill in the following form, call us on 919 017 030 or send an email to

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Adela Merino León

Senior Lawyer

After working for other firms where she acquired a solid legal background, Adela joined Administrativando Abogados, participating in the defence of all types of administrative law proceedings.

Among other matters, she intervenes in procedures related to water law, civil servants, asset liability, administrative sanctions, public procurement, planning law and all kinds of administrative litigation appeals.

In addition to advising national and international companies, she participates in the defence of countless Public Administrations and Public Authorities.

She has also been in charge of the design and preparation of different teaching sessions on Administrative Law at the Administrativando Business School.

Nuria Carrasco Sánchez

Financial Director and Institutional Relations

After studying Business Administration and Management at the Faculty of Economics and Business Studies ETEA (currently Loyola), during more than twenty years of professional practice, she has been in charge of financial and accounting management in national and international companies dedicated to different sectors of activity.

At the same time, in many of these companies, she has been responsible for carrying out institutional representation functions.

María José Amo Gago

Senior Associate

After obtaining an extraordinary prize at the University of Cordoba and preparing for the competitive examinations for the judicial and prosecutorial career, she joined Aguayo Abogados, a firm specialising in Administrative Law (now part of Ejaso ETL Global). Subsequently, she joined Garrigues.

As a result of her extensive professional experience of more than ten years, she participates in the guidance and defence of those administrative and administrative litigation procedures of special technical difficulty, both nationally and internationally. She is also a specialist in dealing with administrative litigation appeals, for protection before the Constitutional Court and before supranational bodies such as the European Court of Human Rights.

She has also intervened in administrative litigation proceedings of major social relevance such as the Alvia Case or the challenge to the tender for the centralised purchase of Personal Protective Equipment by the Community of Madrid, among many others.

She holds the position of institutional relations coordinator at Administrativando Business School.

Natalia Montero Pavón


Tras preparar las oposiciones a la carrera judicial y fiscal, se incorporó al Departamento de Derecho Administrativo de la conocida firma Sanguino Abogados.

Defiende procedimientos de suma relevancia en la totalidad de áreas que configuran el Derecho Administrativo. Entre otras materias, es especialista en aguas, minas, medio ambiente, función pública, responsabilidad patrimonial, expropiación forzosa, contratación pública, urbanismo y procedimientos sancionadores.

Igualmente, interviene de forma regular ante la jurisdicción de lo Contencioso – Administrativo en todas sus instancias.

Asimismo, compagina su labor como docente impartiendo puntualmente máster class sobre derecho público en la Universidad Loyola Andalucía.

También ha asumido la dirección y orientación de diferentes cursos de experto en Derecho Administrativo, principalmente en las materias de responsabilidad patrimonial, expropiación forzosa y contencioso – administrativo.

Ostenta el cargo de coordinadora académica en Administrativando Business School.

Antonio Pérez Valderrama


He is a lecturer in Administrative Law and Public Procurement at the Instituto Superior de Derecho y Economía in Madrid.

Previously, he has been a member of international law firms, such as Martínez Echevarría & Rivera Abogados, with management positions in the Administrative Law Department.

He has recently co-authored the “Manual sobre el Contrato Menor”, published by Editorial Aranzadi.

He is also a lecturer in the Administrative Law Section of Economist & Jurist and Administrativando Abogados. Among other events, it is worth highlighting the training on the possible nullity of administrative sanctions imposed during states of alarm as a result of Covid-19.

He has defended all types of Administrative and Administrative Litigation Law proceedings before any court.

He holds the position of executive director at Administrativando Business School.

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