Juan Jose Sanchez

Juan Jose Sanchez

Senior Associate

With more than nine (9) years of professional practice, Juan José has advised Spanish taxation issues on domestic and international transactions, particularly for corporate clients and private equity houses on complex deals.

He has broad experience advising Spanish and international companies, private equity houses and financial institutions on the tax aspects of cross-border mergers and acquisitions, leveraged acquisitions, capital markets and structured finance products, real estate transactions and tax litigation.

His experience is extended to the full “deal continuum”, mainly in tax structuring, tax modelling, deal execution and post-deal integration advice, and with wide expertise in tax due diligence projects.

In addition, he has deep and solid knowledge of accounting matters involving the M&A transactions, as well as the tax implications related to asset securitisation operations, real estate investment and divestment operations, and acquisition and/or refinancing of loan portfolios (performing, sub-performing and non-performing) with real estate guarantee.


Published Work

  • Juan José Sánchez (2020) "Revisiting the withholding tax exemption on interest payments to EU / EEA tax residents: Decision of the Spanish Central Economic-Administrative Court dated 8 October 2019”. Madrid: práctica Fiscal para Abogados - Wolters Kluwer.

Speaking Engagements

  • Lecturer, EU and International Tax Law and Tax Planning on the Master’s Degree in Tax Advice at ESADE Business & Law School, 2024
Adolfo Zunzunegui and Juan José Sánchez stand out for their competence, rapid responses, availability and proactivity
Rising Star
ITR World Tax



Spain, Ilustre Colegio de la Abogacía de Madrid, 2017


Executive Master’s Degree in International Taxation (Centro de Estudios Garrigues), 2018

LLM in Tax Law, IE Law School (Instituto de Empresa), 2017

Law Degree, Universidad Pontificia de Comillas (ICADE), 2015

Business Administration Degree, Universidad Pontificia de Comillas (ICADE), 2015


A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.