enes +5411 4346-1000

“Valeria Estathio shows knowledge and commitment to the client.”

Legal 500 2022

Valeria Estathio


Phone +5411 4346-1035


  • Tax Law

Professional Experience

Valeria Estathio has been working in the Tax Law Area of O’Farrell since 2005 and has been a Partner since 2014.

She provides advice to domestic and international companies both in domestic and international transactions. Valeria specializes in the design of investment structures for the development of new businesses and proactively participates in the design of corporate reorganization processes. She also has broad experience in tax and social security litigation, representing utilities, and pharmaceutical, automotive and retail companies, among others.


In 2002, she graduated with honors with a degree in Law specialized in Tax Law. In addition, Ms. Estathio holds a Master’s Degree in Law and Economics from Universidad Torcuato Di Tella, where she obtained the best average mark of her graduation year.

In 2008, she obtained a Master of Laws Degree in International Taxation (LL.M.) from New York University School of Law.



She has been recognized as an expert in her practice area by the following international publications:

  • Chambers & Partners Latin America 2022: Tax
  • Chambers & Partners Global 2022: Tax
  • The Legal 500 2022: Tax (Next Generation Partner)
  • Latin Lawyer 250 2022: Tax
  • World Tax 2022: Tax Leading Advisor

Professional Entities and Associations

  • Active member of the Argentine Fiscal Association (Asociación Argentina de Estudios Fiscales)
  • Member of the International Fiscal Association
  • Member of the City of Buenos Aires Bar Association

Academic Work

She is a regular professor of the Social Security Tax Regime In-Depth course at the Master’s Degree Course in Tax Law and at the LL.M in Tax Law of Universidad Torcuato Di Tella.

Books and Articles

She wrote several articles on her practice areas. Ms. Estathio participates as lecturer and panelist in national and international congresses and seminars