José Alberto Sitjar Martínez

Josep Maria Barcelona is member of the Privacy & Data Protection Law Department. He is specilized in Privacy&Data Protection Law, Administrative Law and Competition Law.

Victoria Clemente Lafuente is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law and Land Use and Zoning Law. Victoria, who practices law in Barcelona, Spain, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Victoria is held by other top lawyers in the same geographic and legal practice area.

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.

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.

Albert Tortosa is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation and Litigation. Albert, who practices law in Barcelona, Spain, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Albert is held by other top lawyers in the same geographic and legal practice area.

Miriam Johansson Moreno mjm@avqlegal.com Practice area: Corporate Law, Person and Assets,Legal business and contracts Training: Graduate in Law (1996) from the Universidad Abat Oliba-CEU (Barcelona). Professional Experience and Areas of Specialization: I joined the firm in 1996, and my activity is focussed on the area of commercial and civil law, in particular in the area of company law, legal advice to companies in all areas, civil and commercial contracts, mergers and acquisitions and real ...

Norma graduated in law from Pompeu Fabra University (1996) and she gained a Postgraduate Diploma in Urban Planning and Environment from the Institute of Continuing Education of the same university (2000). Between 1996 and 1998 she completed the doctoral courses in Public Law at Pompeu Fabra and she presented her research work entitled La intervenció administrativa en l’habitatge. L’activitat de foment i els plans d’habitatge (Public Administration Intervention in the ...

Eva Arrébola Martínez is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Eva, 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 Eva 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....

Socio responsable del Departamento técnico de Tax de PwC Tax & Legal Services y responsable del equipo de Procedimientos tributarios de la oficina de Barcelona. Licenciado en Ciencias Económicas y Empresariales por la Universidad Autónoma de Barcelona y licenciado en Derecho por la Universidad Oberta de Catalunya. Curso de postgrado en Estudios Fiscales y Financieros, Universidad de Barcelona. Se incorporó a PwC Tax & Legal Services en 2001, procedente de l...