Carlos Seoane Domínguez

Juan Antonio Marín Alvarado is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Juan Antonio, who practices law in Madrid, Spain, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Juan Antonio is held by other top lawyers in the same geographic and legal practice area.

Emma is a lawyer and economist, specialising in tax advice to private clients and family businesses. She graduated in law and economics from Pompeu Fabra University and completed her studies at ESADE, where she obtained a Master's degree in tax consultancy and management. She joined our firm in 2019, quickly becoming a partner in 2021. She advises numerous family businesses and Family Offices, both in national and international taxation, as well as their partners and managers. Her experience ...

Joaquín Castiella Sánchez-Ostiz is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law and Litigation. Joaquín, who practices law in Pamplona, Spain, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joaquín is held by other top lawyers in the same geographic and legal practice area.

Esau Alarcon is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Doctor, master’s and graduated in Law by Barcelona University; his professional career is linked to the GIBERNAU ASESORES office, in which he has been a member since February 2017. Professor of the Abat Oliba CEU University in the fiscal and contentious-administrative field. A corresponding Academician of the Royal Academy of Jurisprudence, Legislation and columnist of Iuris & Lex – e...

Pedro Alonso Rodríguez is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Pedro, who practices law in Madrid, Spain, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Pedro is held by other top lawyers in the same geographic and legal practice area.

José Juan Garcia Torralba is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Mergers and Acquisitions Law. José Juan, who practices law in Murcia, Spain, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which José Juan is held by other top lawyers in the same geographic and legal practice area.

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....

Graduate in Law, Universitat Autònoma de Barcelona (1991). Postgraduate Degree in Real Estate Law and Land Use and Planning, Universitat Pompeu Fabra (1992). Member of the Universitat Pompeu Fabra Administrative Law Department from 1991 to 1999. During those years she completed the PhD courses in Public Law (1992-94) and carried out legal teaching and research activities. In 1995 she presented a dissertation on the system for the recognition of professional qualifications in the Europe...

Licenciada en Derecho por la Universidad Pontificia de Comillas (ICADE) desde 1994 y, además, María se cualificó como Solicitor of England & Wales en 1998. Con más de 15 años de experiencia, es especialista en asesoramiento laboral integral a empresas tanto desde un punto de vista del derecho nacional como en asuntos laborales y de Seguridad Social con componente internacional. También tiene amplia experiencia en el ámbito de las Transaccio...

Born in Barcelona, in 1.967. Founder of Tornos Abogados, S.L.P. He graduates in Law at the University of Barcelona, in 1.990. Attorney, he is member of the Illustrious School of Attorneys of Barcelona. Master in consultancy and Tax Management by ESADE Business School (1.992-1.993), Master in Tax Law by the “Universidad Complutense de Madrid” (1.991-1.992) and Master in Real State and Town planning Law by the University Pompeu Fabra (1.994-1.995). In 2.013, he obtains his PhD in Pu...