Helena Chien

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....

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...

Javier Vidal-Quadras Trías de Bes jvq@avqlegal.com Partner in charge of the Civil Law and Litigation Area Education: Graduate in Law (1984) from the University of Barcelona. Professional experience and expertise: I am the co-founding partner of the firm and head of the Civil and Procedural Law department. My main activity is focussed on litigation and arbitration of contractual content, agency and distribution, inheritance and wills, mortgage, competition law, corporate lawsuits and la...

Owner and managing partner of the law firm SOL MUNTAÑOLA ABOGADOS (www.solmuntanola.com), partner of the Official Patent and Trademark Agency INGENIAS (www.ingenias.es) and partner of RECUPERADEUDAS (www.recuperadeudas.com), a recovery of defaults through information technology. Dedicated exclusively, since 1990, to intellectual property and related matters. He has written his doctoral thesis on Parody as a limit to copyright and has written two books and numerous articles on intellect...

Jordi Casas is a partner at Osborne Clarke. He advises on M&A, joint ventures, private equity, venture capital and corporate law matters, including Spanish and cross-border transactions. Having been educated at the University of Barcelona, Jordi graduated with a law degree in 1992 and he also studied in the USA (AFS scholarship, Springbrook High School, 1987), France (Erasmus scholarhip, Université de Poitiers, 1991) and Belgium (Patronat Català Pro Europa’s scholarshi...

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...

Born in Barcelona, in 1.952. Founding Partner of TORNOS ABOGADOS, S.L.P. He graduates in Law at the University of Barcelona in 1.974 with Extraordinary Price of Graduation. The next year he graduates in Economics. In the year 1977 he obtains the PhD in Law at the University of Bologna with Magna cum Laude and Price Vittorio Emmanuele. He is Professor of Public Law at the University of Barcelona since May 21 st . 1.986. He was former dean of the University of Barcelona’s Law School from ...

Ignacio Roselló Garrigós is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law. Ignacio Roselló, 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 Ignacio Roselló is held by other top lawyers in the same geographic and legal practice area.

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

Ana Torres is a top attorney recognized by Best Lawyers in the practice area(s) of Asset Finance Law and Corporate and Mergers and Acquisitions Law. Ana, who practices law in Barcelona, Spain, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ana is held by other top lawyers in the same geographic and legal practice area.