Antonio Guerrero Socas

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....

Albert graduated in law from Barcelona University (1996) and gained a Postgraduate diploma in Real Estate Law and Urban Planning from Pompeu Fabra University-idEC (2000). He went on to gain a Master’s in Land Useand Urban Planning Studies at the Public Administration School and he qualified as an Urban Planning Technician UPC-UPF (2001-2003). He also has a Postgraduate Diploma in Environment and Natural Resources from Pompeu Fabra University–IDEC (2004), and another in the special...

Yolanda Puiggròs Jiménez de Anta is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Yolanda, 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 Yolanda is held by other top lawyers in the same geographic and legal practice area.

Javier Delgado Planás is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Mergers and Acquisitions Law, Litigation and Private Equity Law. Javier, 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 Javier 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.

Partner and Coordinator of the Corporate Department. She specializes in corporate and commercial law, mergers and acquisitions, and national and international contracts. Member of Barcelona Bar Association.

Socio en PwC Tax & Legal Services España. Ignacio es licenciado en Derecho y MBL, con Especialización en Asesoría Fiscal por ESADE. En el año 2006 se incorporó a PwC Tax & Legal Services en Barcelona. Tiene más de diez años de experiencia profesional en asesoramiento fiscal de empresas. Realiza colaboraciones puntuales en libros y prensa especializada y como profesor en ESADE, CEF, Universidad de Barcelona, EADA y otros foros no Univers...

Partner Litigation-Arbitration Area at Crowe Barcelona office since March 2021. She began her professional career as a Court Agent officer in 1994 (Joaniquet-Tamburini). In 1996 she joined Mullerat & Roca law firm as a civil and commercial litigation lawyer. In 2006, she joined the litigation department of Ventura Garcés & Lopez Ibor, a firm of which she was named partner in the litigation area in 2014 until February 2021. Isabel is a leading litigator with extensive experience...

Joaquín Sugrañes Salvat is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense. Joaquín Sugrañes, 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 Joaquín Sugrañes is held by other top lawyers in the same geographic and legal practice area.

Oscar Mancebo Gutierrez is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Oscar Mancebo, 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 Oscar Mancebo is held by other top lawyers in the same geographic and legal practice area.