Helena Chien

Jesús joined Crowe Legal y Tributario in 2000. He is currently partner at Crowe and head of the international Tax Planning Department in Barcelona. Responsible for Crowe Global professional relations in the headquarters of Barcelona. Chairman of the EMEA Tax Committee since 2015. Member of Crowe Global ITC. Jesús is currently in charge of developing the program of Global Mobility and International Restructuring of the Firm. Responsible for the national and international Tax Plan...

Miriam Clapés Oleart is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Miriam, who practices law in Barcelona, Spain, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Miriam is held by other top lawyers in the same geographic and legal practice area.

Partner of PwC Currently, Silvia is the partner in charge of the TICEM (Technology, Infocomm, Entertainment, Media and Energy) tax department located in Barcelona. Economist. Silvia has a degree in Business Administration and Management and a Master’s degree in Tax Advisory from ESADE. She is teacher of tax law in ESADE. Over 18 years’ service with the tax department of PwC and member of the M&A Tax group for over 10 years providing, almost exclusively, tax advisory services f...

Víctor Marroquín is Partner of Marroquín Abogados (before Bufete Marroquín) and Director of the Restructuring/Insolvency area of the Firm. Bachelor of Law from the Universitat de Barcelona (1990) and member of the Ilustre Colegio de Abogados de Barcelona (Bar Association) since 1990. Has extensive experience in the practice of Commercial and Corporate Law and is highly specialized in Restructuring and Insolvencies, having participated in some of the most important ...

LLB from Universitat de Girona and LLM from Instituto Superior de Derecho y Economía (ISDE), Gloria Reig has spent nearly her entire professional career working within the Labor Law area of Cuatrecasas, a firm she joined in 2000 following a 2-year period at Ernst&Young. She became a partner of Crowe Legal y Tributario in 2017. She advises both national and international companies of different industries on Labor Law and Social Security matters, regarding both recurring and specific...

Marcos Moré Kunst is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Marcos, who practices law in Barcelona, Spain, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marcos 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....

Sonia Frouchtman is part of the family law department. She is specialized in family law and inheritance.

Begoña Cendoya Iriondo is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy & Data Protection Law. Begoña Cendoya, who practices law in Barcelona, Spain, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Begoña Cendoya is held by other top lawyers in the same geographic and legal practice area.

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...