Xavier Ruiz de Loizaga Solé


Languages Known:

  • Catalan
  • English
  • Spanish

Xavier Ruiz de Loizaga Solé

Principal associate


Xavier Ruiz de Loizaga Solé is a principal associate in the Administrative Law practice area.

He has extensive expertise in Administrative Law, an field in which he has progressively specialized in areas such as public procurement, infrastructure financing projects and the environment.

He also provides recurring advice on regulatory matters in industries such as transport, water and renewable energy.

He has lectured on the following courses:

Master’s Degree for access to the legal profession at Universitat Autònoma de Barcelona. Specialization in administrative law, public procurement and judicial review (2015).

Executive Master’s Degree in Business Law, offered by Garrigues in conjunction with the University of Harvard (2011).

Administrative Law II course on the Law Degree at Universitat Autònoma de Barcelona (2010) (as a substitute).

Administrative Law course on the Tax and Accountancy Degree of the Faculty of Economics at Universitat de Barcelona (2009 and 2010) (as a substitute).

He has spoken at the following events:

“Course on Public Sector Contracts Law”, specializing in award procedures, organized by the Administrative Law Section of Barcelona Bar Association (2011, 2013, 2014 and 2015).

“Economic legal update seminar”, organized by Xarxa de Municipis de la Diputació de Girona, in the session on public contracts and public services (2014).

“Course on new challenges in public procurement”, organized by Associació Catalana de Municipis, Barcelona (2014).

 “Legal update course. Focus on public procurement”, organized by Diputació de Lleida (2011).

Xavier Ruiz de Loizaga Solé is a member of the Barcelona Bar Association.

Academic background:

End of Degree Prize for outstanding achievement, Universitat de Lleida (2004).

Recipient of a bursary from the Education Ministry in order to participate in public law research projects at the Faculty of Law of Universitat de Lleida (2004).

Postgraduate course on the Criminal Justice System, Universitat de Lleida (2004).

Postgraduate course forming part of the Master’s Degree in Economics and Regulation of Public Services, Universitat de Barcelona and Fundación Carolina (2007).


Co-author of the article “The New Public Sector Contracts Law” (*), published in Dossier Empresarial. November 2007.

(*) originally published in Spanish. See Spanish CV for more information.