Team of Expert Attorneys in Barcelona and Madrid – Martínez Caballero Abogados

Qualified professionals in immigration, family, criminal, labor, civil, and administrative law.

Our team of attorneys in Barcelona and Madrid is made up of professionals specializing in immigration, criminal, family, labor, and administrative law. Each attorney brings practical experience and a commitment to effective results, offering personalized, client-focused legal advice to each client.

Diana Caballero Aguirre

CEO – Founding Partner.

Executive Director of Communications and Sales.
Attorney specializing in administrative, commercial, and immigration law.
Administrative Agent, Association of Administrative Agents of Catalonia.

Jose María Martínez

CEO – Founding Partner.

Executive Director of Internal Operations.
Attorney specializing in administrative, labor, tax, and civil law.

Ana Nicolás Torán

Associate Attorney.

Expert in Family Law and Immigration Law.

What Sets Us Apart

Proven legal experience

More than 10 years advising individuals, self-employed professionals, and businesses. In-depth knowledge of immigration, criminal, family, labor, and administrative law to provide practical legal solutions.

Sheila Quiroz Sifuentes

Lawyer.

Expert in Civil and Administrative Law.

Sandra Milena García

Bachelor’s degree in Business Administration from Colombia.
Consultant specializing in self-employed individuals and small and medium-sized enterprises in Spain.
Consultant on matters related to the DGT in Spain.

Loren Andrea Cardona

Specialized Advisor on Immigration Matters.
Customer Service and Administration.

Expertise and Professional Rigor

Each case is reviewed by attorneys who are experts in their field. We rely on legal strategy, stay up to date, and take a results-oriented, technical approach .

Germán Ruiz Castaño

Growth Marketing Consultant, Expert in Legal Marketing and AI Implementation.

Julia Oliveira

Accounting Technician: Self-Employed Individuals and Small and Medium-Sized Enterprises in Spain.
Expert in International Relations and Digital Communication.

Sergi Illescas Corbi

Accounting and Tax Specialist for Self-Employed Individuals and Small and Medium-Sized Enterprises in Spain.

Personalized, attentive service

We listen, guide, and clearly explain each step. Our goal is for the client to feel confident, informed, and supported at all times.

Sara Gabernet

Lawyer Specializing in Immigration and Criminal Law.

Dania Leal

Specialist Consultant in Immigration Matters.
Attorney (Venezuela).

Daniellie Hernández

Administrative Assistant in the Customer Service and Administration Department.
Attorney (Venezuela).

Results and Confidence

Hundreds of clients already trust our firm. Successfully resolved cases, genuine reviews, and total commitment to every case.

María Alejandra Lobo

Bachelor’s degree in Social Communication (Venezuela).
Customer Experience Specialist.

Iván Álvarez Sáez

Lawyer Specializing in Criminal and Labor Law.

Carolina Pedraza

Attorney Specializing in Commercial, Civil, and Immigration Law

Ailen Parra

Expert in Customer Service and Service Management

Yordian Quintero

Certified Accounting and Tax Specialist specializing in the Self-Employed and SMEs / Economist and ADM (Colombia) / MBI (Spain)

Carmen Pérez

Administrative Manager and Immigration Specialist

Tatiana Olaya

Legal Assistant for Immigration Matters and Customer Experience

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SUMMARY CLAUSE WEB PRIVACY POLICY

Data Controller: APNA ADVOCATS, S.L.P., with Tax ID No. B67183491, whose registered office is located at Plaza Tetuán, No. 40-41, 1st Floor – Office 1, ZIP Code 08010 Barcelona – Spain

Purpose of Processing: To respond to user requests for information through the website. To manage the booking of appointments through the channels established on the website, both from a point of view of attendance control, administrative and billing. In case of contracting any of the legal, accounting, or any other type of services provided by the company, the purpose may also be to manage and monitor the provision of such service. To manage social networks. The Holder has a presence in social networks. If you become a follower on the social networks of the Holder the processing of personal data will be governed by this section, as well as by those conditions of use, privacy policies and access regulations that belong to the social network that applies in each case and that you have previously accepted.

Commercial communications: We will only send you commercial communications, provided that they are of interest to you, with your prior authorization, which you can provide us through the appropriate box provided for that purpose. If you are a client of the firm, we may send you such communications on the basis of article 21 of the LSSCIE, but you can always request to unsubscribe and stop receiving such mailings.

Basis of legitimacy of the treatment: The consent of the interested party obtained through the acceptance of the corresponding box.

Data protection rights: You can exercise your rights of access, rectification, opposition, deletion, limitation of treatment and portability in the mail info@martinezcaballero.com or that of our Data Protection Delegate: equaldpo@equalprotecciondedatos.com. If you feel that you are not adequately addressed, you can file a complaint with the Spanish Data Protection Agency (AEPD) https://www.aepd.es/es.

Additional information

More information in: Privacy Policy.

Real Customer Reviews

      EXCELENTE  
   A base de 793 reseñas 
    
 
 
 
   
 
 
       Publicado en Google  
   
   Andrew Funk 
 
 
 
 Trustindex verifica que la fuente original de la reseña sea Google. Tras años de asesoria legal de este gran bufete, hemos podido empoderar a personas en situación de sin hogar por todo el mundo gracias a su expertise en las siguientes áreas de práctica: Empresas y Autónomos, Extranjeria y Administrativo. Doy fé que son de confianza y les recomiendo con orgullo.
  
 
      Publicado en Google  
   
   Nancy Miroslava Arangutia Camacho 
 
 
 
 Trustindex verifica que la fuente original de la reseña sea Google. Tuve una excelente experiencia con la abogada Diana y su equipo. Desde el inicio nos orientó con muchísima claridad y paciencia en todo el proceso, siempre pendiente de cada detalle y dispuesta a ayudarnos incluso sin compromiso, aún haciéndonos un plan de pagos para ayudarnos cuando tuvimos un percance económico que nos dificultó la situación. Gracias a su guía, todas nuestras citas y trámites salieron bien y sin ningún inconveniente. Es una persona muy profesional, con gran calidad humana, y realmente se nota que le importa ayudar a sus clientes más allá del trabajo. La recomiendo completamente.
  
 
      Publicado en Google  
   
   Otto Plesner 
 
 
 
 Trustindex verifica que la fuente original de la reseña sea Google. Diana and her team are amazing they deeply and passionately care for their clients and go all the way to help them in their endeavours whether it is personal or business. We had a wonderful experience with them and highly recommend them for anyone who wants a team of lawyers that have their back and go above and beyond for them.
  
 
      Publicado en Google  
   
   Andres Vanegas 
 
 
 
 Trustindex verifica que la fuente original de la reseña sea Google. Excelente trato e información por parte de la abogada  Sheila
  
 
      Publicado en Google  
   
   Laura gisselle 
 
 
 
 Trustindex verifica que la fuente original de la reseña sea Google. Agradezco al despacho de abogados por todo el trabajo atención y dedicación!! Me han acompañado en mi proceso de residencia . Muy atentos y profesionales .. lo recomiendo totalmente !!!
  
 
      Publicado en Google  
   
   Paola andrea Echeverri Rodas 
 
 
 
 Trustindex verifica que la fuente original de la reseña sea Google. Muy buena atención,todo muy bien explicado a detalle
  
 
      Publicado en Google  
   
   Camilo Osorio 
 
 
 
 Trustindex verifica que la fuente original de la reseña sea Google. Excelente atención y comprensión con el cliente la asesoría con Ana muy excelente
  
 
      Publicado en Google  
   
   Liz Otalora 
 
 
 
 Trustindex verifica que la fuente original de la reseña sea Google. El despacho de Abogados MC y su equipo han sido muy profesionales de principio a fin en lo que he necesitado, cómo gestoría y consejeros de mi negocio digital. También como abogados de familia. Sigo haciendo mis gestiones con ellos por su profesionalidad, agilidad y compromiso.
  
 
      Publicado en Google  
   
   Lamia bkh 
 
 
 
 Trustindex verifica que la fuente original de la reseña sea Google. Tuve una consulta con Anna y fue una experiencia excelente. Es muy profesional, cercana y paciente, explica todo con claridad y transmite mucha tranquilidad. La recomiendo totalmente.
  
 
      Publicado en Google  
   
   Kevin Lagua 
 
 
 
 Trustindex verifica que la fuente original de la reseña sea Google. Todo muy bien explicado, son muy atentos a los detalles, dan la mejor opción para tu trámite y sobretodo muy amables.. Ana una excelente abogada
  
 
  
  
 
     Verificado por: Trustindex  La insignia verificada de Trustindex es el símbolo universal de confianza. Solo las mejores empresas pueden obtener la insignia verificada si tienen una puntuación de revisión superior a 4.5, basada en las reseñas de clientes de los últimos 12 meses. Leer más

Team of expert attorneys in Barcelona