Isidro del Saz Cordero

Isidro del Saz Cordero
  • International Tax Law
  • Tax Law
Tel. +34 910 32 76 93
Fax +34 915 76 56 63
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Degree in Law from the Autónoma University of Madrid and member of the Madrid Bar Association.

Degree in Economics and Business Studies from the Autónoma University of Madrid, specialising in Public Finance.

Masters in “The Spanish Tax System”, from the Escuela de Economía.

“European Tax Senior School”, Valdhoven, Holland.


From 1984 to 1987 Isidro worked in the auditing division and then in the tax and legal services divisions of ARTHUR ANDER­SEN & CO, until reaching the category of Team Leader of the tax division (“tax senior”).

Until 1994 he worked as a lawyer specialising in domestic and international taxation at the firm ESTUDIO LEGAL ABOGADOS, becoming a partner in 1995.

In 1999 he joined the firm LANDWELL PRICEWATERHOUSECOOPERS as international partner, staying until 2001, when he joined ROCA JUNYENT as partner of its tax practice. He was a member of the firm’s board of directors and managing partner of its Madrid office until 2017.


He has been partner in charge of the Tax Practice of the Madrid office of MONTERO|ARAMBURU ABOGADOS since June 2018, when he joined the firm as partner.

He is auditor (registered in the Spanish Official Register of Auditors -ROAC-) and secretary to the board of directors of various Spanish and foreign capital companies.


Honorary Professor of the Financial and Tax Law Department of the Law School of the Autónoma University of Madrid.

Professor of the Centro de Estudios Garrigues (Masters in Business Law, Executive Master’s Programme in Tax Consultancy and Masters in Taxation) and member of its Advisory Board.

Professor of the Masters for Admission to the Bar organised by ICADE.

Professor of the Masters in International Legal Practice, Masters for Admission to the Bar and the International Masters in Tax Consultancy organised by ISDE.

Professor of the Technical Expert in International Taxation Masters (TEFI) organised by ESADE.

Professor of the Masters in Legal Practice organised by the University of Castilla La Mancha.

Professor of the International Bilingual Masters in Business Management and Administration (MBA) organised by EUDEM in Oporto and Lisbon (Portugal).

Professor of the Advanced Course in Tax Consultancy, organised by APD (Asociación para el Progreso de la Dirección).

Director of the tax area of the Masters in Legal and Tax Consultancy for Construction and Real Estate Companies and professor on such masters (Madrid-Oviedo).

Professor of the Masters in Financial Economics organised by ICADE.

Professor of the Masters (MBA-Executive) organised by EUDEM, Metro Consultores and La Escuela de Negocios, in Santander and Oviedo.

Professor of the MBA of San Sebastián of the Instituto Vasco de Formación Profesional (Business School).

Professor of the Official Masters in Corporate Legal Practice of the Universidad Europea of Madrid.

Professor of the MBA organised in Madrid by the CFE (Centro de Formación Empresarial).


Contributor to Economist & Jurist and member of its Editorial Board.

Contributor to the Anuario Fiscal (La Ley) and member of its Advisory Board.

Contributor to the Tax Supplement of the journal Derecho y Sociedad and member of its Editorial Board.

Contributor to the journal Derecho de los Negocios (LA LEY).

Contributor to AVENEWS (real estate market) of the COLLIERS & ALADE group.

Contributor to the journal of the Spanish-Swedish Chamber of Commerce.

Contributor to the journal “Tax Planning International Review”.

Contributor to the daily newspaper Expansión, within the area of economics.

Contributor to the publications of the Instituto de la Empresa Familiar.

Contributor to the journal “Rostra Economica 50 Jaar”.

Contributor to the daily newspaper “La Vanguardia”.

Contributor to “Legal”.

Contributor to “Lawyerpress”.

Contributor to “Confilegal”.


Member of the Council for the Defence of the Taxpayer of the Spanish Ministry of Finance and Taxation (since 2012).

Lawyer selected as tax specialist by “Chambers and Partners (Global and Europe)”.

Lawyer recommended as tax specialist by “Practical Law Company, PLC Which Lawyers”.

Lawyer listed in the selection of “Best Lawyers in Spain (Tax)” and member of its World Advisory Board.

Lawyer listed in the selection of “Guide to the World’s Leading Tax Advisers”.  Expert Guides (Legal Media Group-Euromoney).

Lawyer listed as tax specialist by the directory “Legal 500 Europe”.

Lawyer recommended in the tax section by the directory “International Tax Handbook”.

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