Martin Barillas

Martin A. Barillas Aragon

Baker McKenzie Switzerland AG
Not admitted to practice law in this jurisdiction


Martín Barillas is an associate in the Zurich office of Baker McKenzie. Prior to joining the Firm, Martín worked at a Big 4 accounting firm in Washington, D.C., where he advised global companies on the state and local tax aspects of their operations in the United States. Martín has also acquired experience in corporate transactions by working on M&A deals in the Latin American region.

Apart from his corporate and tax experience, Martín also is experienced in international trade and customs rules and regulations.

Martín assists clients in interdisciplinary matters in both English and Spanish.

Practice Focus

Martin focuses on assisting individual and institutional clients with activities and assets in multiple jurisdictions, including the EU, EFTA countries, and the US.

He provides tax advice in matters related to US aspects of income and transfer tax planning as well as cross-border transactions. This includes tax advice in operations such as cross-border investments, real estate ventures, closely-held business matters, employee compensations structures, trusts and estate planning, as well as handling withholding and tax treaties. Additionally, Martín also advises clients in compliance matters associated with FATCA and the Common Reporting Standard.

Professional Associations and Memberships

  • Federal Bar Association - Tax Section


  • New York~United States (2023)
  • Guatemala (2016)


  • Georgetown University Law Center (LLM, Taxation) (2022)
  • University of Barcelona (LLM, International Economic Law and Policy) (2016)
  • Universidad Francisco Marroquin (Law Degree) (2015)


  • English
  • Spanish