The Legal 500

Twitter Logo Youtube Circle Icon LinkedIn Icon

Andersen Tax & Legal

VEL√ĀZQUEZ, 108-110, 28006, SPAIN
Work +34 917 811 186
Fax +34 915 755 877
Barcelona, Cairo, Cologne, Lisbon, Madrid, Montevideo and 1 more
Andersen Tax & Legal, María Olleros, Madrid, SPAIN

Lawyer rankings

María Olleros

Work +34 917 813 300
Andersen Tax & Legal

Work Department



Partner and head of the Tax department in the Madrid, Valencia and Seville offices. Member of the Advisory Board of Andersen Global.


María is responsible for advising and providing ongoing tax planning services to business groups and their shareholders, especially with regards to all the different taxes applicable under the Spanish tax system. She also represents clients before the Spanish Tax Authorities during tax inspections and other tax related proceedings.

María also has experience in the real estate field in Spanish territory. Furthermore, she advises entrepreneurs and incubators of start-up projects, focusing on relevant tax benefits which are applicable to innovative business activities, as well as planning and advising on the international expansion of entrepreneurs.

On an international level, she has advised both foreign companies with an interest to develop their business in Spain, as well as Spanish companies needing to expand abroad.


Spanish, English, French


  • Valencia Bar Association, ICAV.

  • Lecturer of the Cátedra Cultura Directiva y Empresarial. Universidad Politécnica de Valencia, UPV.

  • Member of the Jury for the European Competition Climate Launchpad.

  • Member of the Board of Directors at AVAESEN (Valencian Cluster of Energy Industries).


  • Degree in Law, Universidad Cardenal Herrera CEU.

  • Master in Business Administration, Universidad Cardenal Herrera CEU.

  • Entrepreneurship Development Program, MIT -Massachusetts Institute of Technology- (Boston).



Within: Tax

As well as experience in a range of non-contentious tax matters, Andersen Tax & Legal has expertise in tax litigation, notably in verification, management and inspection procedures carried out by the Tax Administration. María Olleros focuses on tax planning services to business groups and their shareholders. She leads the practice with specialist in international taxation Javier Vinuesa, who joined form Gómez-Acebo & Pombo in 2018. Further strengthening the team are tax specialists Jose Manuel Pumar, who joined from Auren in 2018, and Tomás Rivero, who arrived from Sanguino y Asociados Abogados, also in 2018. The firm is advising Grupo Alimentario Citrus on issues relating to the restructuring of the shareholder structure as well as on tax audit issues.

[back to top]

Back to index

Legal Developments in Spain

Legal Developments and updates from the leading lawyers in each jurisdiction. To contribute, send an email request to