Xavier Rubert


Biography & experience

Xavier founded the firm in 2022, with the aim of offering a highly specialized advice in tax law and especially in Private Wealth and Tax litigation.

Xavier has more than 10 years of professional experience in leading law firms such as Cuatrecasas (Palma and Barcelona), Baker McKenzie (Barcelona) and PwC (Barcelona), having advised and defended large multinationals in the technology, leisure, sports, hotels, pharmaceutical and textile sectors, among others, as well as high-net-worth individuals. He is also a Partner of the US firm Ambar Partners with clients from the Ibex 35, private equity funds and foreign multinationals.

Throughout his professional career, Xavier has provided advice in highly complex tax proceedings before the Tax Administration, Economic-Administrative Courts, High Courts of Justice, the National Court of Appeals and the Supreme Court.

Xavier has also been recognized by the prestigious international directory Best Lawyers in its “Ones to Watch in Spain” editions of 2023 & 2024.

He has a Law Degree from the University of the Balearic Islands, having obtained a Master’s Degree in Tax Consultancy and Management and a PhD in Tax Procedures at the University Ramon Lull – ESADE, Barcelona and at the International Bureau of Fiscal Documentation (IBFD), Amsterdam, among others. 

Moreover, he has completed an Executive Program in Private Wealth at Chicago Booth, Chicago, USA and another Executive Program in Global Taxation at IE University (Law School), Madrid.

Xavier speaks Catalan, Spanish and English.

Member of the Madrid Bar Association – ICAM

Member of the Asociación Española de Derecho Financiero (Spanish Association of Tax Law)

Member of the International Fiscal Association (IFA)

Member of the International Association of Young Lawyers – Tax Law Commission (TLC)

Awards and Recognition