Tax Litigation: The Elite
2 Ranked Lawyers
Firm PROFILE
Dias de Souza
Brazil 2026
Rankings
Leading firm in Brazil:
Brazil:
Ranked Department
Ranked Department
Ranked Individuals
Ranked Individuals
Top figures | Brazil: Contentious
16
Lawyers
13
Partners
1967
Established Year
Content provided by Dias de Souza
Brazil: Contentious
Overview
Provided by Dias de Souza
Established in 1967, Dias de Souza advises on tax, administrative and economic law, covering consultancy and litigation. The firm is specialized in corporate and personal taxation, including restructuring and estate planning. It has strong experience in judicial and administrative courts, including higher courts. The team also handles public law and international tax matters. Practice areas include Tax, Tax Litigation and International Tax, advising Brazilian and multinational clients.
Industry sectors (9)
- Agriculture
- Automobile Industry
- Banking
- Computer Hardware
- Food and Beverage
- Foreign Trade
- Home Appliances
- Sugar and Ethanol
- Telecom
Capabilities (4)
- Tax
- Tax Litigation
- International Tax
- Public Law
Key people
Provided by Dias de Souza
Hamilton Dias de Souza
Founding Partner
Mário Luiz Oliveira da Costa
Partner
Hugo Funaro
Partner
Douglas Guidini Odorizzi
Partner
Work & experience
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.
Top figures | Brazil: Contentious
16
Lawyers
13
Partners
1967
Established Year
Content provided by Dias de Souza
Brazil: Transactional
Overview
Provided by Dias de Souza
Established in 1967, Dias de Souza advises on tax, administrative and economic law, covering consultancy and litigation. The firm is specialized in corporate and personal taxation, including restructuring and estate planning. It has strong experience in judicial and administrative courts, including higher courts. The team also handles public law and international tax matters. Practice areas include Tax, Tax Litigation and International Tax, advising Brazilian and multinational clients.
Industry sectors (9)
- Agriculture
- Automobile Industry
- Banking
- Computer Hardware
- Food and Beverage
- Foreign Trade
- Home Appliances
- Sugar and Ethanol
- Telecom
Capabilities (4)
- Tax
- Tax Litigation
- International Tax
- Public Law
Key people
Provided by Dias de Souza
Hamilton Dias de Souza
Founding Partner
Mário Luiz Oliveira da Costa
Partner
Hugo Funaro
Partner
Douglas Guidini Odorizzi
Partner
Work & experience
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.
Ranked Offices at Dias de Souza
Provided by Dias de Souza
Ranked Departments at Dias de Souza (1)
Ranked Individuals at Dias de Souza (2)
Brazil
Hamilton Dias de Souza
Tax Litigation: The Elite
View profile 
Mário Luiz Oliveira da Costa
Tax Litigation: The Elite
View profile
Top figures | Brazil: Transactional
16
Lawyers
13
Partners
1967
Established Year
Content provided by Dias de Souza
What success is built on
Chambers is the leading data and intelligence partner for the legal sector.