Our professionals
Partner
Tomás Neiva
Areas of expertise
Experience
Tomás focuses on venture capital, M&A and corporate reorganizations. He advises companies and investors across a wide range of industries and at every stage of development.
He is admitted to practice in Brazil and Spain. Before joining Mattos Filho, he worked at one of Spain’s leading law firms, advising on cross-border transactions involving Europe, Brazil and Latin America. Drawing on this experience, he plays an active role in Mattos Filho’s international initiatives focused on the Iberian Peninsula and Latin America.
Tomás is a professor and the academic coordinator of Venture Capital in Brazil: Structures, Dynamics and Strategies, a course developed by Mattos Filho in partnership with the Pontifical Catholic University of São Paulo (PUC-SP). He is also a mentor in Cubo Mentoring, the official mentorship program of Cubo Itaú.
Education
Chambers Brazil – Venture Capital (2023 – 2027);
Chambers Global – Corporate/M&A: Foreign Expertise based in Spain (2025 – 2026); Venture Capital (2026);
Latin Lawyer 250 – Corporate and M&A (2024 – 2027); Private Equity (2024 – 2027);
Legal 500 – Leading Partner: Venture Capital (2024 – 2027);
IFLR1000 Financial and Corporate – Highly Regarded: Corporate/M&A (2020 – 2025);
Leaders League – Venture Capital (2023 – 2025).
Recognitions
Chambers Brazil – Venture Capital (2023 – 2025)
Chambers Global – Corporate/M&A: Foreign Expertise based in Spain (2025 – 2026) Venture Capital (2026)
Latin Lawyer 250 – Corporate and M&A (2024 – 2026); Private Equity (2024 – 2026)
Legal 500 – Next Generation Partners: Venture Capital (2024 – 2026)
IFLR 1000 Financial and Corporate – Highly regarded: Corporate/M&A (2020 – 2025)
Leaders League – Venture Capital (2023 – 2025)
Mattos Filho annouces two new partners
Mattos Filho has announced that Tomás Neiva (Corporate/M&A) and Gustavo Swenson (Life Sciences and Healthcare) have been admitted as the firm’s newest partners. With both based at the São Paulo office, Tomás and Gustavo’s arrival underlines Mattos Filho’s commitment to continued, sustainable growth. The total number of partners at the firm now reaches 119.
Click here to read Iberian Lawyer article.
Mattos Filho adds corporate and life sciences partners
Mattos Filho, Veiga Filho, Marrey Jr e Quiroga Advogados has appointed two new partners by hiring from local law firms Neiva, Barros & Figueiró Sociedade de Advogados (NBFA) and SPLaw – Spiewak e Carneiro Advogados, strengthening its corporate and M&A and life sciences departments.
Click to read the Latin Lawyer article.
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