With a strong presence across the energy, chemical, pharmaceutical, technology, sanitation, forestry and construction sectors, the environmental team at Mattos Filho handles a mix of cross-border litigation, regulatory and transactional matters, as well as climate change projects. The group is well placed to advise on environmental licensing, decarbonisation strategies, ESG issues and energy transition projects. Antonio Augusto Reis is a key figure in environmental litigation, climate regulation and carbon projects. Rômulo Sampaio is skilled in mandates concerning carbon markets, climate change issues, waste management and water resources. Tábata Guerra advises on environmental licensing, climate litigation and carbon projects, while Juliana Gomes Ramalho Monteiro specialises in ESG, governance and sustainable finance. Daniela Diniz focuses on compliance, risk management and environmental due diligence for cross-border corporate and financial transactions.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- The Mattos Filho team is uniquely dedicated to their work and committed to pro bono work that makes an impact. They are also highly responsive and professional.
- We work closely with Antonio Reis, a partner, who is highly knowledgeable about environmental, climate, and sustainability-related legal matters.
- This is a highly specialized firm focused on strategic environmental and ESG issues, both in advisory and litigation matters. It boasts one of the largest environmental and ESG teams in the market, comprised of exceptionally competent women who excel in their fields.
- Tábata Boccanera Guerra de Oliveira: excellent for technical environmental consulting issues, such as carbon and waste disposal. In addition to being technically excellent, she is helpful, has great communication skills with clients, and we can observe her humane approach, training, and collaboration with her colleagues in the office.
- Customer proximity and promptness. Detailed knowledge of environmental issues in Brazil.
- Tábata Guerra is widely recognized as a leading name in Brazil’s environmental and carbon markets space, combining outstanding technical expertise with a forward-looking, solutions-oriented approach. Clients consistently highlight her ability to navigate highly complex and evolving regulatory frameworks with clarity and precision, particularly in matters involving carbon markets, climate finance, and environmental compliance. She is praised for being “extremely knowledgeable and commercially minded,” with a rare capacity to translate cutting-edge regulatory developments into practical strategies that support business objectives. Her strong engagement with policymakers and industry stakeholders further distinguishes her, positioning her as a key voice in shaping the carbon agenda in Brazil. Her responsiveness, strategic insight, and ability to handle sophisticated, high-stakes mandates mark her out as a trusted advisor at the forefront of the environmental and climate transition practice.
Key clients
- Danone
- Equinix
- Carbon Direct Capital
- BW
- PetroChina
- Rosneft
- Origem Energia
- Ecopetrol
- Cocal
- New Wave
- Instituto Clima e Sociedade
- BRK Ambiental
Work highlights
Advised National Bank for Economic and Social Development (BNDES) on initiatives connected to the design and development of new reconstruction projects for the State of Rio Grande do Sul within the framework of the Projeto Rios – Resilience, Innovation and Infrastructure for the Future of Rio Grande do Sul.
Assisted Norsk Hydro, as Brazilian counsel, in its defence against a lawsuit filed before the Dutch jurisdiction by Brazilian plaintiffs arising from alleged environmental accidents that occurred in the Municipality of Barcarena, in the State of Pará.
Advised Equinor Energy do Brasil Ltda on the review, negotiation, and completion of the agreement entered with PRIO on the sale of a 40% stake and transfer of its operations in the Peregrino Field.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Daniela Diniz
Other key lawyers
Antonio Augusto Reis; Rômulo Sampaio; Juliana Gomes Ramalho Monteiro; Tábata Guerra; Daniela Diniz; Gabriela Trovões