Thaís Abreu de Azevedo Silva is counsel in the Tax practice of Tauil & Chequer Advogados in association with Mayer Brown in the São Paulo office. Thaís concentrates her practice on all areas of tax litigation including federal, state and municipal. Before joining Tauil & Chequer Advogados, she was an associate at GTlawyers, Lacaz Martins, Pereira Neto, Gurevich & Schoueri Advogados and Felsberg, Pedrett, Manrich e Aidar Advogados e Consultores Legais.

Spoken Languages

  • Portuguese
  • English


  • Represented engineering, telecommunications, mining, food and beverage, security, automotive and pharmaceutical companies, administratively and judicially at the federal, state and municipal levels. She has also assisted a number of companies in obtaining special regimes at the federal and state levels.


Fundação Getúlio Vargas (FGV/SP), Accounting Applied to Tax Law

Pontifical Catholic University of São Paulo (PUC-SP), Specialist in Tax Law

Pontifical Catholic University of São Paulo (PUC-SP), Bachelor of Law (JD equivalent)


  • Brazil


  • Member, Lawyers Association of São Paulo (AASP)