Our professionals
Partner
Tomás Neiva
Areas of expertise
Experience
Tomás advises companies and their investors across diverse sectors throughout the entire corporate lifecycle, particularly on M&A and Venture Capital transactions and corporate reorganizations.
He previously worked at one of Spain’s most renowned law firms, where he focused on cross-border transactions, especially venture capital financings and M&As involving Europe, Brazil and other Latin American countries. Tomás is licensed to practice law in Brazil and Spain and actively participates in the firm’s international initiatives, especially those related to the Iberian Peninsula and Latin America.
Tomás teaches the ‘Corporate Transactions and Business Deals’ module in Mackenzie’s postgraduate law program and has previously lectured on venture capital at institutions such as Insper and Xpeed.
Education
Chambers Brazil – Venture Capital (2023 – 2025);
Chambers Global – Corporate/M&A: Foreign Expertise based in Spain (2025);
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).
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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