Alberto Ouro

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....

Gloria Bardají Pascual is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law and Planning. Gloria, who practices law in Barcelona, Spain, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gloria is held by other top lawyers in the same geographic and legal practice area.

Ignacio Marroquín Sagalés is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Reorganization Law. Ignacio, who practices law in Barcelona, Spain, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ignacio is held by other top lawyers in the same geographic and legal practice area.

German Ferrer Gonzálvez is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. German, 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 German is held by other top lawyers in the same geographic and legal practice area.

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

Lidia Arcos Garrido is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Lidia Arcos, who practices law in Barcelona, Spain, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lidia Arcos 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...

After more than 15 years of experience in leading law firms (Uría Menéndez and Deloitte Legal, where he was partner and Board member), three of them residing in New York, Jordi launched his boutique firm, Maristany, in 2015. Jordi is widely experienced in multi-jurisdictional M&A transactions, complex contract architecture, as well as in international dispute resolution. Jordi serves as Board secretary of companies in different industries (pharma, biotech, and media, among o...

Levón joined Crowe in 2025 as a partner in the Banking and Finance practice, having developed his career at renowned international firms, notably Cuatrecasas, DHH Beijing, and GK Group Legal, where he was managing partner. To date, he has represented Enterprise Armenia in Spain, a state agency for investment promotion, and has advised various members of the Spanish Congress of Deputies and Senate. Levón has extensive experience in financing and refinancing transactions, advising...

Xavier graduated in law from the Universidad Autònoma de Barcelona (1987). He gained a Postgraduate Diploma in European Union Law from the Barcelona College of Lawyers (1994). He joined Pareja& Associats, Advocats in 1986 and he has worked as a lawyer with the firm since then. During his time with the company he has gained extensive professional experience as a legal adviser negotiating contracts and agreements, preparing spatial planning and urban management tools and providing de...