ETL Global ADD

4 Best Lawyers awards

Awarded Practice Areas

Family Business Law Family Law Tax Law

Biography

Professional experience

Mariano began his professional career in CUATRECASAS GONÇALVES PEREIRA (1997-2012) where was specialized in Legal & Tax Law to companies, Family business and HNWI. In 2012 joined KPMG (2012-2015), where co-leaded the Family Bussines and Private Client practice in Barcelona, Girona, Balearic Islands and Andorra offices. On January 2016 joins 4|5|3| Law Firm (former Marco Legal, Abogados & Economistas) as a partner, leading the Firm’s Tax Department.

Particularly, Mariano provides a global legal advice in Tax Law, Private clients, personal income tax, domestic and international investments planning, real estate planning, businesses planning, family inheritance or donations planning, or marital crisis planning.
ETL Global ADD

4 Best Lawyers awards

Overview

  • English
  • French
  • Spanish

  • Spain, General Council of Spanish Lawyers

  • British Chamber of Commerce in Barcelona - Member
  • UIA (Union Internationale des Avocats) - Member
  • English
  • French
  • Spanish
  • Spain, General Council of Spanish Lawyers
  • British Chamber of Commerce in Barcelona - Member
  • UIA (Union Internationale des Avocats) - Member

Client Testimonials

Mariano Roca has demonstrated a great passion for what he does by helping out our company along the way. It is fair to say that his knowledge and experience stand out by itself. Moreover he is fully committed and willing to get the most of the collaboration with our company. He has been of great help in certain moments where professionalism and ethics are required.

Claudia Pierre (MEETING LAWYERS SL)

I had the pleasure of working with Mr. Mariano Roca, and I can say without hesitation that he is an exceptional lawyer. His commitment to his clients is unwavering, always going above and beyond to ensure their needs are met. What truly sets him apart is his diligence and attention to detail—he leaves no stone unturned in his approach. Mariano is highly strategic, with a clear vision for how to navigate complex legal situations. He doesn't just focus on immediate concerns but always has an eye on long-term outcomes, providing valuable insights and advice along the way. His problem-solving abilities are second to none—he tackles challenges head-on and always finds the most effective and efficient solutions. What truly distinguishes Mariano, however, is his profound expertise in tax law and fiscal regulations. His deep understanding of this highly specialized area of law has proven invaluable in addressing complex financial and regulatory issues. Whether it's tax planning, compliance, or navigating intricate fiscal frameworks, Mariano's proficiency in this field ensures that his clients are always well-advised and protected. I would absolutely recommend Mariano Roca to anyone seeking legal counsel, especially in tax law and fiscal matters. His professionalism, expertise, and dedication make him an outstanding choice for any legal need.

PAULA CHATEAU (KIENCE INC.)

Meet Mr. Mariano Roca, an exceptional tax attorney with over a decade of experience in navigating the complex world of tax law and fiscal regulations. With a keen eye for detail and a deep understanding of both domestic and international tax codes, Mr. Roca provides his clients with tailored strategies that optimize their tax positions while ensuring full compliance with the law. His approach is characterized by a commitment to transparency and communication, making sure that his clients are well-informed at every step of the process. Mr. Roca is known for his ability to simplify intricate tax concepts, allowing individuals and businesses alike to make informed decisions. In addition to his expertise in tax planning and compliance, Mr. Roca has a proven track record in representing clients during audits and disputes with tax authorities (such as the Spanish Tax Agency). His negotiation skills and thorough preparation have resulted in favorable outcomes for his clients, earning his a reputation as a trusted advocate in the field. With a passion for helping clients achieve their financial goals, Mr. Roca stays updated on the latest tax legislation and trends, ensuring that his advice is both current and effective. Whether you are an individual seeking to minimize your tax liability or a corporation looking for comprehensive tax strategies, Mr. Roca is the attorney you can rely on for expert guidance and support.

SERGIO CALLEJA (BLUEBERRY DIAGNOSTICS, S.L.)

It is a real pleasure to have worked with Mariano. He is very diligent and caring about his clients. A real tax advisor to rely on.

Felipe Zurutuza (LGT BANK SWITZERLAND LTD)

Geneva

I have the pleasure to work with Mariano on international transactions on a regular basis, and it is a pleasure to me to recommend him for his professionalism, accuracy, expertise and last but not least, his pleasant personality.

Lars Goslings (LEXTRUST)

Luxembourg

I must say that Mariano is a very responsive and competent lawyer, with impressive resources to propose optimal solutions to complex situations. He is a great help! It is a pleasure and a certainty to recommend Mariano!

Loic Thijssen (Stichting Unitaire Wetenschap)

Rotterdam

I’ve known Mariano for a bunch of years, and what I like the most about working with him is that he has that ability and talent to explain complicated things for people like me who lacks the knowledge of the fiscal world; helping to navigate and find always the best solution for each situation. His suggestions are always very welcome; but if I must point out something else, that is his human quality and eagerness to help are at the same level of his professionalism.

Alfonso HIdalgo (Infinitec Acivos S.L.)

Barcelona

Working with Mariano Roca is always a pleasant experience. It makes seeking for the right legal construct a matter of cleverness and care. There is always a personal touch that makes everything more reachable, clear, and ultimately gratifying. We worked with him for many years, and we are foreseeing many more years to come.

Emiliano Gandolfi (Unitary Science Foundation)

Rotterdam

Colaboramos con Mariano Roca desde hacer algunos años en los asuntos diversos de nuestros clientes de asesoría, básicamente clientes de Rusia. Nos gustaría seguir trabajando con Mariano porque es un excelente profesional polivalente y competente.

Irina Yadlovskaya (MICYD consulting)

Barcelona

I have been a client of Mariano Roca for many years. In addition to appreciating his deep knowledge of all fiscal rules, I consider his constant availability, speed and kindness in solving all the doubts that I may have very positively.

Dejar constancia del brillante trabajo que realiza Mariano Roca, de su profesionalidad, y la confianza que transmite en los temas que le son encomendados demostrando un gran conocimiento del derecho fiscal, fruto de su larga experiencia y dedicación.

Desde que conozco a Mariano Roca, me ha asesorado y tramitado con éxito, numerosos temas de empresa y a nivel personal. Ha demostrado en todo momento un profundo conocimiento de las leyes. Su predisposición y actitud es excelente.

Jorge Jung (Aplausos Marketing, S.L.)

Barcelona

He colaborado con Mariano Roca compartiendo proyecto con un cliente y puedo decir que es un gran profesional, siempre buscando el mejor asesoramiento para su representado.

ALFONS GÓMEZ MONSÓ (EURO-FUNDING ADVISORY GROUP)

BARCELONA

I am a client of Mr. Mariano and he has always advised me with great professionalism and kindness in everything I have needed.

JUAN CARLOS BALLESTERO (BALLESTERO ALQUILER SLU)

BADALONA

Whenever we have needed precise advice, in very complicated and sometimes urgent cases, Mariano Roca has gone far beyond our expectations, demonstrating knowledge outside the norms of laws, situations and providing innovative solutions to overcome obstacles and Improve the operation of the company. He is also an absolutely charming person, who gives total confidence and feeling of being in total security in terms of protecting our interests. It is a great pleasure and honor to meet someone like him.

I've known Mariano since 2010. He has assessed me in several topics of the upmost importance for me with great success just following his professional instructions. If any time I have a problem like the ones I had an he solved, I will not look for another lawyer, but him. I feel proud of being one of his customers and, no doubt at all, I recommend him to everybody needed.

José Antonio Delgado Morillas (Ipsen)

Barcelona

That Mariano Roca is an excellent lawyer, is something known. But I would highlight from him his degree of involvement in the issues, his speed in responding, his concise and clear explanations and, above all, his good and accurate advice. It is an absolute peace of mind to have you as a lawyer and advisor.

Herrero Garcia

Barcelona

Mr. Roca developed activities, excellent skills and personal contact. It has been a good experience to work with him.

I am pleased to be allowed to express my satisfaction of the work done by Mr. Mariano Roca on my behalf. I have benefited from his deep technical expertise, his global reach, his in-depth local knowledge, and his deep experience in the Securities and Banking environment; it has helped me achieve advantageous structure. He has provided a results-oriented approach for my tax needs.

Mariano Roca Lopez is an excellent professional. He becomes close to the customer and has success in solving the customer problems.

In my experience, Mariano Roca is a great person and a committed attorney. His personable relationship with the client adds to his clear view of the opportunities available and a high capacity for creative solutions which are always driven by honor. I'm very happy to see him as a Best Lawyer in Spain.

Mariano Roca is one of the best lawyers I have worked with, and I should like to pay tribute to his dedication and hard work. He carries out crucial work for his company, providing his clients with a rational and streamline approach to their legal needs. I appreciate this opportunity to express my admiration and support for the critical work Mariano does in favor of his clients. Experience has shown that the investment in a client-focused attorney will be amply repaid.

Mr. Mariano Roca is an excellent lawyer and person. I've had the chance to be guided by him in many aspects, such as tax issues and international investments, and I must say that with his involvement, I've avoided a lot of headaches and saved a lot of money.

Mr. Roca assists me in developing my investment and tax strategies in an outstanding, professional manner. He is always available to assist me in any moment with a very good service attitude.

Mariano Roca has been my lawyer during the last two years. I write here just to recognize far beyond his knowledge of laws, the common sense he uses to work, his empathy with the customer and his always clever advice. I won the case because he won the case. From a personal standpoint, I think that I do not need to say anything else that I fully trust him. Thanks, Mariano. Do not surrender and keep working enthusiastically.

Mr. Mariano Roca is a thorough professional with extensive experience. He provided the solutions to all the issues that were raised with an exquisite personal treatment.

Mariano Roca is an excellent professional providing a service with the highest standard of quality. He is fully committed to his clients with a professional and social responsibility.

Mariano Roca is my lawyer since two years ago and I just have words to express my gratitude for his always positive attitude, for his customer oriented work, for his empathy and for his real good advice. The issue that brought me to him is over and I have no doubt that Mariano is "guilty" of solving my problems. And, far beyond from professional aspects, I would like also to emphasize his human profile; he is always looking for the positive way of life with a big smile. Mariano is not only my lawyer, he's the lawyer.

Mr. Mariano Roca, after completing his last assignment on my behalf, has designed a plan to foster ongoing improvement on our working relationship. This is a very important step in today's global business climate, taking into account the numerous regulations in Spain with regards international financial markets. These regulations have become increasingly numerous and complex. Mr. Roca has provided me with suggestions to develop an effective compliance program, in order to meet the requirements of the Central Bank and to avoid, detect, and remedy wrong doing.

Mariano Roca lleva trabajando con la empresa menos de un año. Estuvimos mal asesorados por un tema. Con otro abogado, nos cogió un caso que podría haber llevado la empresa a la ruina. En una palabra: brillante. Esperamos tenerlo siempre en la empresa.

Mariano Roca's experiencia, profesionalidad y empatía hacen fácil tomar decisiones, dan confianza y permiten planificar el futuro con garantías. Desde que le conocí, es la persona que necesito cerca, ojalá hubiese sido antes.

We are very grateful for the services given by D. Mariano Roca; he is the best legal assessor we have met.

El señor Mariano Roca López es conocido no solo por mí, sino por toda mi familia por casi siete años. Nuestro primer contacto profesional surgió por un tema que requería rapidez. La celeridad de sus soluciones y acciones para resolver los problemas que nos acontecieron fue a nuestra grata sorpresa. Desde entonces, nos ponemos en sus manos por su profesionalidad, su honestidad y discreción, por la tranquilidad y por la seguridad que nos aporta como personas y como grupo empresarial. Otras cualidades que me agradan del Sr. Mariano Roca López son el orden en que organiza las prioridades, la claridad de sus explicaciones, como estudia los casos y busca diferentes opciones y su sinceridad. Por todo ello, lo recomiendo como un gran profesional y junto con su equipo seguro que encuentran un excelente asesoramiento.

Mariano Roca is an excellent professional. He is high oriented to clients, a good listener; business oriented, and has good negotiation skills. I would strongly recommend meeting him in person.

It has been a pleasure for us to work with Mariano Roca of KPMG Abogados. Best regards Blanca Serra

Mariano Roca, of KPMG, is a highly qualified, efficient and helpful lawyer. We were impressed by his clear advice years ago in Cuatrecasas, and again this year at KPMG. He is always responsive to our concerns, focusing on finding simple solutions to complex questions. His kindness and extensive experience make you feel understood and protected right away. We really think he deserves to be Lawyer of the Year for the second year.

Estamos ya en Diciembre y mirando atrás, podemos afirmar que estamos satisfechos con la asesoramiento recibido de Mariano Roca López, de KMPG Abogados, a lo largo de estos doce últimos meses. Por esa razón, me complace con esta misiva recomendar en forma amplia a Mariano Roca López puesto que cumple con todas las características y cualidades necesarias para un asesoramiento impecable, en cuanto a la planificación de la empresa proponiendo diferentes escenarios y analizando la solución óptima en cada caso. Posee don de gentes y se desenvuelve con agrado en su labor, con iniciativa e ingenio para salvar los obstáculos. En el desempeño de su trabajo en nuestra empresa ha demostrado un alto nivel de iniciativa propia y dedicación, resultando evidente su integridad de carácter, compromiso con los objetivos marcados, alto grado de motivación y gran capacidad de trabajo en equipo.

Awards & Focus

Lawyer of the Year Badge - 2019 - Family Law Lawyer of the Year Badge - 2018 - Tax Law Lawyer of the Year Badge - 2015 - Family Law Lawyer of the Year Badge - 2014 - Tax Law
Named "Lawyer of the Year" by Best Lawyers® for:
  • Family Law, Barcelona, Spain (2019)
  • Tax Law, Barcelona, Spain (2018)
  • Family Law, Barcelona, Spain (2015)
  • Tax Law, Barcelona, Spain (2014)
Recognized in The Best Lawyers in Spain 2026 for work in:
  • Family Business Law
  • Family Law
  • Tax Law

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