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Pablo Casillas Vázquez
Contact
pablo.casillas@perezllorca.com
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Profile
Pablo joined Pérez-Llorca in 2026, and is an expert in tax proceedings, with a special focus on international taxation.
Studies:
He speaks Spanish and English.
Experience
Pablo has over 12 years of experience in tax law. He has extensive experience advising national and multinational companies and individuals, especially in direct taxation.
Over the years, Pablo has specialised in advising on tax proceedings at all levels, from the administrative to the highest courts. Throughout his career, he has been involved in advising individuals and legal entities on complex litigation, which has given him a solid knowledge of both substantive and procedural matters.
He has extensive experience in tax recovery for non-resident entities, having worked with various collective investment schemes as well as sovereign wealth funds. Prior to joining Pérez-Llorca, Pablo spent his professional career in the tax department of a Big Four firm.
Academic and publishing collaborations
Pablo lectures on tax matters at various universities and business schools, such as Universidad Rey Juan Carlos, the Madrid Bar Association and UNIR, among others.
Pablo is also a regular contributor to various publications on tax matters, covering both tax procedures and different kinds of tax issues.
Professional organisations
The Madrid Bar Association (ICAM).
Licence no. 127796
The Madrid Bar Association
pablo.casillas@perezllorca.com
T: +34 91 191 16 95
M: +34 619 128 855
Paseo de la Castellana, 259A
28046 Madrid
Spain
Profile
Pablo joined Pérez-Llorca in 2026, and is an expert in tax proceedings, with a special focus on international taxation.
Studies:
He speaks Spanish and English.
Experience
Pablo has over 12 years of experience in tax law. He has extensive experience advising national and multinational companies and individuals, especially in direct taxation.
Over the years, Pablo has specialised in advising on tax proceedings at all levels, from the administrative to the highest courts. Throughout his career, he has been involved in advising individuals and legal entities on complex litigation, which has given him a solid knowledge of both substantive and procedural matters.
He has extensive experience in tax recovery for non-resident entities, having worked with various collective investment schemes as well as sovereign wealth funds. Prior to joining Pérez-Llorca, Pablo spent his professional career in the tax department of a Big Four firm.
Academic and publishing collaborations
Pablo lectures on tax matters at various universities and business schools, such as Universidad Rey Juan Carlos, the Madrid Bar Association and UNIR, among others.
Pablo is also a regular contributor to various publications on tax matters, covering both tax procedures and different kinds of tax issues.
Professional organisations
The Madrid Bar Association (ICAM).
pablo.casillas@perezllorca.com
T: +34 91 191 16 95
M: +34 619 128 855
Paseo de la Castellana, 259A
28046 Madrid
Spain