Department profile
Dias de Souza

Tax Litigation: The Elite

Global Guide 2026 : Brazil


Dias de Souza

Rankings

About

Provided by Dias de Souza

The firm advises on tax matters, including M&A, reorganizations and cross-border transactions, as well as tax planning for corporate and individual clients. It has strong experience in judicial and administrative tax litigation across all levels, including higher courts. The team also handles public law matters, including state liability and social security, advising Brazilian and multinational companies.

Clients (1)

  • Brazilian and multinational clients.

Industries (1)

  • Agriculture Automobile Industry, Banking, Computer Hardware, Food and Beverage , Foreign Trade, Home Appliances, Sugar and Ethanol and Telecom

Chambers Review

Provided by Chambers

Tax Litigation: The Elite - Brazil

Band 2

Band 2


What the Team is Known For
Highly respected tax boutique Dias de Souza is frequently sought out by a range of national and international clients, including well-known companies in the food and beverage sector, as well as banks, to assist with tax litigation mandates. The team comes recommended for its expert judicial litigation defences covering the full spectrum of direct and indirect taxes. Its strong team often acts before tribunals in the municipal, state and federal spheres, including superior courts.

Strengths

Provided by Chambers

  • The team showed deep technical knowledge combined with strategy, which gives us a lot of confidence and peace of mind, especially in the most complex matters.

    Tax Litigation: The Elite respondentGlobal
  • The firm has specialised knowledge and a strategic vision of litigation. It works with a client-centric approach.

    Tax Litigation: The Elite respondentGlobal
  • It is a law firm very focused on taxes, with a strong awareness of its market penetration and, therefore, is aware of its commercial strategies.

    Tax Litigation: The Elite respondentGlobal

Notable Practitioners

Provided by Chambers

  • Senior StatespeopleHamilton Dias de Souza
    Senior StatespeopleHamilton Dias de Souza

    Hamilton Dias de Souza

    Pre-eminent founding partner Hamilton Dias de Souza continues to be regarded by interviewees as a prominent figure in the tax litigation sphere owing to his long track record of handling a wide variety of disputes.
    • Hamilton is an academic figure, with great clarity and didactics. A master of masters.

      Tax Litigation: The Elite respondentGlobal
    • Hamilton Dias de Souza deals with the law as if it was art. He does not come up with common arguments, he always tries to delve deep into the matters to understand them.

      Tax Litigation: The Elite respondentGlobal
  • Band 3Mário Luiz Oliveira da Costa
    Band 3Mário Luiz Oliveira da Costa

    Mário Luiz Oliveira da Costa

    Mário Luiz Oliveira da Costa assists clients from an array of sectors with contentious mandates in both the administrative and judicial spheres.

    • Mário is skilled, precise, realistic and respectful with all clients. His opinions provide the necessary details for the client to make a decision based on good elements.

      Tax Litigation: The Elite respondentGlobal

Ranked Individuals at Dias de Souza (2)

Brazil

Members

Provided by Dias de Souza

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