Julia Castillo

Professional Background

Julia has extensive experience representing both national and multinational business groups in matters such as tax assessments, denied refund claims, suspension of tax collection, challenges to the constitutionality of tax laws, interpretation of tax provisions—including double tax treaties—as well as in handling and defending tax and customs audits. Her combined public and private sector background provides her with a comprehensive perspective for developing strategic defense approaches, allowing her to advise companies both preventively and throughout audit processes, with a strong focus on tax controversy and litigation.

With over 25 years of experience, she spent nearly five years at Mexico’s Tax Administration Service (SAT) within the Central Administration for Domestic Tax Regulation. She also worked for over six years at a highly regarded tax advisory firm in Mexico, and for the past 12 years, she has led the Tax Controversy and Litigation practice at Skatt.

Education

Julia Castillo holds a Law degree from Escuela Libre de Derecho. She also completed a specialization in Tax and Administrative Justice at the Administrative Justice Tribunal, and a diploma in the Interpretation of Double Taxation Treaties from Universidad Panamericana.

Awards

Recognized as a Highly Regarded Practitioner in World Tax by International Tax Review (ITR), positioning her as a leading expert in the fiel
Nominated in the Litigator of the Year – Latin America category at the Women in Business Law Awards, organized by International Tax Review (ITR), in recognition of her outstanding contributions to legal practice.
Highly recommended in the Major Tax Litigation category by Leaders League, confirming her exceptional performance in the field.

Publications

Contributing author to the commemorative publication 100 Years of Escuela Libre de Derecho.
Author of several articles on tax controversy and litigation published in Puntos Finos magazine.
Speaker and thought leader in webinars, forums, television programs, and print media, sharing insights on current developments in tax law.