Diana Caballero Aguirre | Attorney in Barcelona and Madrid specializing in Immigration, Administrative, and Commercial Law
Diana Catalina Caballero Aguirre is the Managing Partner and founder of Martínez Caballero Abogados, a leading law firm in Barcelona. With a strong academic background and a career focused on providing comprehensive legal solutions, Diana combines her expertise in immigration law, administrative law, and commercial law to effectively defend the interests of individuals and businesses. Her approach—personal, strategic, and client-focused—has made her a trusted attorney throughout Spain.
Education and Professional Experience
Legal Education
Bachelor of Laws.
Master’s Degree in Law (prestigious program at the School of Business and Management).
Professional Memberships and Qualifications
A member of the Barcelona Bar Association since 2016.
A licensed administrative manager with the Official Association of Administrative Managers of Catalonia since 2020.
Professional Experience
Diana has built her professional career in the field of law from a multidisciplinary perspective, advising both individuals and companies on complex legal proceedings. She has served as an external legal advisor to the Consulate General of Brazil in Barcelona and has actively participated in training and legal outreach initiatives.
International Experience and Leadership
Diana not only practices law in Catalonia and the rest of Spain, but also works with international clients, assisting those who wish to legally settle in the country or resolve cross-border issues. Her bicultural perspective, as a professional who has experienced migration firsthand, brings a unique viewpoint to the firm and its clients.
As CEO and founding partner of Martínez Caballero Abogados, she leads the firm’s growth, team building, and strategic communication—as highlighted by the local press in its coverage of the firm.
Awards and Professional Activities
Invited as a speaker at talks and workshops on citizenship and immigration.
Active presence on professional social media platforms (LinkedIn, Instagram), sharing analysis on immigration, law, and entrepreneurship.
A prominent figure in the media for his human-centered approach to modern law.
Areas of Expertise
Immigration Law and Spanish Citizenship
Diana has extensive experience advising individuals and families on procedures related to residence permits, citizenship, renewals, ties to the country, and administrative appeals. Her practical approach, which is attentive to the needs of migrants, leads to efficient and humane outcomes.
Administrative Law
An expert in proceedings before public authorities, resource management, licensing, penalties, and all types of administrative actions. Her knowledge of local regulations and practices in Barcelona is a strategic advantage for clients.
Commercial Law
She advises companies and entrepreneurs on contracts, business relationships, and corporate matters, combining legal rigor with business acumen to protect economic and commercial interests.
Work Approach and Professional Values
Diana combines legal excellence with personalized attention, focusing on:
Legal strategies tailored to each case
Clear and consistent communication with the client
Commitment to Justice and Equity
Comprehensive support throughout long and complex processes
This approach has made his practice one of the most highly regarded in the field of immigration and administrative law in Barcelona.
Contact Diana Caballero
If your case involves immigration, Spanish citizenship, administrative proceedings, or commercial matters, you can contact Diana directly for a specialized assessment of your situation.
Phone: +34 628 379 016
Email: info@martinezcaballeroabogados.com
