Javier Lopez

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 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.

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.

Edgar Bravo is member of the Corporate Governance and Compliance. He is specilized in specialized in Criminal Compliance and Equality Plan.

Fernando Jaureguizar Ducable fjd@avqlegal.com Senior of the Civil and Litigation Department Education: Graduate in Law (1994) from the University of Navarra. Professional experience and expertise: My main activity is focussed on litigation and arbitration of contractual content, agency and distribution, inheritance and wills, mortgage, competition law, corporate lawsuits and lawsuits arising from the purchase and sale of companies, liability of directors, financial instruments, class actions,...

Marta De la Morena Pinto is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Marta De la Morena, 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 Marta De la Morena is held by other top lawyers in the same geographic and legal practice area.

Alvaro Quintairos Domenech is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance and Compliance Practice. Alvaro, 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 Alvaro 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 ...

Juan Antonio Caubet Blanco is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Mergers and Acquisitions Law. Juan Antonio, 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 Juan Antonio is held by other top lawyers in the same geographic and legal practice area.

1st Vice chair of Barcelona Chamber of Commerce and President of the Legal & Tax Affaires Commisssion Board Memeber at the Barcelona Arbitration Court (Tribunal Arbitral de Barcelona) Board Member of Alliuris (Alliance of International Business Lawyers)