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Testimonials
Collated independently by Legal 500 research team.
‘It is an extremely competent team. I trust their delivery with my eyes closed knowing that they will always expand the research, in addition to delivering accuracy. This breadth is extremely necessary to be able to cover and prepare for all types of scenarios, including anticipating some.’
‘Extremely friendly, experienced and competent.’
‘We use Mattos Filho for more complex environmental legal issues, given the team’s recognised expertise.’
‘Rômulo Sampaio is excellent. He always supports and finds robust legal solutions thanks to his knowledge of law and experience in highly complex cases.’
‘Bruna Araujo Ozanan is super competent and available. She and the team deliver the demands with great competence and responsibility.’
‘Mattos Filho is a firm that stands out for its assertiveness, objectivity and, above all, for being able to "decode" legal terms for laypeople, providing clarity to the processes and guiding the next steps.’
‘Antonio Augusto Reis demonstrates technical knowledge, relationships, and assertiveness in guidance.’
‘Igor Lyra has technical knowledge, excellent oratory, and assertiveness in guidance.’
Key clients
- BHP Billiton
- Transnordestina Logística
- BRK Ambiental
- Rockefeller Foundation
- Norsk Hydro
- Mineração Caraíba
- Raízen
- Nucor
- Clave
- Eletrobras
Work highlights
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Marina Montes Bastos
Other key lawyers
Antonio Augusto Reis; Rômulo Sampaio; Juliana Ramalho; Igor Lyra; Tábata Boccanera Guerra de Oliveira; Marina Montes Bastos; Bruna Araujo Ozanan