Guillermina Ester

Licenciado en Ciencias Económicas y Empresariales por la Universidad Complutense de Madrid y Máster por el Instituto de Empresa en Asesoría Fiscal de Empresas. Durante su experiencia en PwC Tax & Legal Services, ha formado parte y ha dirigido el departamento de Integrated Global Solutions, para prestar servicios en fiscalidad internacional y precios de transferencia.

Partner of the Tax Department of Crowe Legal y Tributario since April 2020 and responsible for the Madrid office. She has 20 years of experience in the practice of law. She began her professional career as a lawyer specializing in the field of tax advice in 2002 at Cuatrecasas in Barcelona; in 2006 she joined KPMG and in 2008 PwC, where she was appointed partner in 2017. In 2022 she joined Crowe as Partner of the Tax Area and head of the Madrid office of Crowe Legal y Tributario. Elena has an...

Partner in PwC, based in Madrid. University of Salamanca-educated Lawyer. More than 15 years of experience in compliance. Lecturer in several conferences, masters and courses. Recurrent experience dealing with multinational companies, regarding compliance, quality metrics and internal data procedures; and management teams training.

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

Founding Partner Chairman Legal Counsel to the Spanish Parliament, Co-Director of Aranzadi Urban Development and Construction magazine and Member of the Royal Academy of Law and Legislation. He was awarded a Law Degree with First Class Honours and he received a Doctorate in Administrative Law with First Honours. He joined the Military Legal Corps in 1968 and in 1971 became Legal Counsel to the Spanish Parliament. In 1973 he was appointed Deputy Councillor of Urban Planning and Treasury of the...

Paula Segura is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Mergers and Acquisitions Law. Paula, who practices law in Madrid, Spain, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paula is held by other top lawyers in the same geographic and legal practice area.

Alfonso Viejo Madrazo is a top attorney recognized by Best Lawyers in the practice area(s) of Aviation Law and Tax Law. Alfonso, who practices law in Madrid, Spain, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alfonso is held by other top lawyers in the same geographic and legal practice area.

Sergio Juárez is a Partner in the Employment Law department of Andersen Tax & Legal at the Madrid office. He previously worked at Olleros Abogados, CMS Albiñana & Suárez de Lezo and Garrigues. Sergio is a specialist in comprehensive legal and employment advice to public and private sector companies (national and international), as well as in litigation in all levels of the social jurisdiction, and in administrative proceedings before the Labour Inspectorate and So...

Emilio María Aparicio Marina is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Emilio María, who practices law in Madrid, Spain, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Emilio María is held by other top lawyers in the same geographic and legal practice area.

Javier Prieto, partner of the Tax Department at Araoz & Rueda since 2011, joined the firm after three years as a partner at the Tax Department at Ramón y Cajal (2008-2011). Prior to joining Ramón y Cajal he worked as an associate in the Tax Department at KPMG Abogados (1999-2002) and then as an associate in the Tax Department at Uría Menéndez (2002-2008). Javier is specialized in: Tax advice arising from national and international M&A transactions (investme...