Firm Profile > Dias De Souza Advogados Associados > Sao Paulo, Brazil

Dias De Souza Advogados Associados
01431-001 SAO PAULO, SP

Tax Tier 3

Dias De Souza Advogados Associados has established an excellent reputation in the market, particularly for its tax litigation expertise. The São Paulo-based firm represents clients from across a wide range of industries, which appreciate its lawyers' ability to navigate the courts at the municipal, state and federal levels. Founding partner Hamilton Dias de Souza is a key practitioner in the market. Other well-regarded team members include Mário Luiz Oliveira da Costa, Hugo FunaroDouglas Guidini Odorizzi and Luís Henrique da Costa Pires.


‘The team is really capable. They are really good strategists. ‘

‘They have excellent tax know-how and they are widely recognized by the courts (judicial and administrative sphere).’

‘Dias de Souza Associados law office has a unique expertise in tax and the team led by Mário Luis Oliveira da Costa is always ready to help our company in many different issues, related to all of main Brazilian taxes.’

‘Hugo Funaro has the ability to offer tailored solutions.’

‘Douglas Odorizzi is the best lawyer, excellent and proactive. He always brings great technical and innovative solutions.’

With 50 years of history, Dias de Souza is one of the most renowned law offices in the country, notably within its area of expertise: tax law.

The firm is composed of qualified and experienced professionals, who rely on highly developed technological structures and perform high-level services in both litigation and consulting.

Areas of practice
Public law, especially in the tax area, both in consulting and litigation.

Within litigation, the firm is known for its unique work with the judicial and administrative courts in cases of national prominence, including leading cases of interest from different economic sectors and in cases pleading indemnification against the public authorities for damages caused due to economic plans, price policies and restrictions on commercial activities. Many of the proceedings sponsored by the firm are unique not only due to the unprecedented legal theories presented, but also because of the importance of the economic effects involved and the high level of success achieved.

Within consulting, the firm is known for its analysis of matters relating to tax law, providing guidance and legal opinions, in addition to opinions on preventive practices, the definition of strategies regarding proceedings in progress, and corporate reorganizations or successions. This also applies on an international level, with diligent and detailed risk evaluations, making the firm achieve results attributable to its solid and innovative nature. Furthermore, the firm provides consulting on the improvement of legislation that governs various matters within the area of tax.

Dias de Souza has its main office in the city of Sao Paulo and maintains a partnership with Advocacia Dias de Souza in Brasilia (in addition to correspondents throughout the national territory). The firm also has the technical and physical resources to provide agile communication with the main judging bodies and higher courts. Equally, it maintains strategic partnerships with various law offices, even abroad.

The goal of the firm is to achieve excellence in providing its services, characterized by customized services and the search for unique solutions based on the particularities of each situation, establishing a true partnership with its clients. The results obtained from this intense dedication and commitment to the issues entrusted to the firm, as well as the high quality and ethical standards always observed, justify its national and international reputation and recognition.

Some of the many awards and recognitions received by the firm and its main partners come from: Chambers Global, Chambers Latin America, International Tax Review, Practical Law Company – PLC Which Lawyer Yearbook, Euromoney, Martindale, Who’s Who Legal, World’s Leading Tax Advisers, Best Lawyers/Brazil, Analise Advocacia and MasterCana.

Department Name Email Telephone
Senior partner Hamilton Dias de Souza E:
Managing Partners Anna Paola Zonari E:
Managing Partners Mário Luiz Oliveira da Costa E:
Managing Partners Hugo Funaro E:
Managing Partners Douglas Guidini Odorizzi E:
Photo Name Position Profile
Dr Hamilton Dias de Souza  photo Dr Hamilton Dias de Souza Hamilton Dias de Souza is the founding partner of the law firm…
Dr Hugo Funaro  photo Dr Hugo Funaro Partner – LL.M. degree in Financial Economic Law.
Dr Douglas Guidini Odorizzi  photo Dr Douglas Guidini Odorizzi Partner – LL.M. degree in Constitutional Law .
 Mário Luiz Oliveira da Costa  photo Mário Luiz Oliveira da Costa Partner – Militant lawyer in Tax Law. LL.M. degree in Economic Law.
Other fee-earners : 5
Total staff : 55
Contacts : 9