Handling both contentious and non-contentious environmental mandates, the team at Machado Meyer Sendacz e Opice Advogados advises on crisis management, ESG issues, climate change and environmental risk in high-value transactions and projects. The group is also well-versed in sensitive disputes, assisting clients across the mining, agribusiness, industrial, and consumer goods sectors. Environmental law specialist Roberta Danelon Leonhardt, who is noted for her expertise in crisis management and environmental liabilities, oversees the practice. Aline Barreto de Moraes e Castro Philodemos advises on environmental risk assessment, compliance, contentious and transactional matters across sectors including energy, infrastructure and mining. Eduardo Ferreira is no longer at the firm. Environmental law and climate change specialist Guilherme Leal joined from Graça Couto, Sequerra, Levitinas, Bicudo, Leal & Abby Advogados in September 2026, and Alexandre Salomão Jabra joined from Trench Rossi Watanabe in September 2026.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • Deep knowledge and proactive approach to the issues brought to the office. Timely responses to inquiries.
  • Knowledge of Environmental Law, effectiveness, commitment, speed.
  • There are no limits to the complexity or interdisciplinarity that the demand may require. Whatever your need, strategic analysis covers all legal aspects of any matter, as well as the factual elements of the issue. It involves other people and teams within the firm to deliver the best possible recommendation.
  • Aline excels due to her solid technical skills and keen analytical vision, anticipating risks and structuring consistent legal solutions. Her organization and clarity in handling issues convey security and confidence.
  • The firm demonstrates high technical excellence, coupled with agility in handling demands. It also stands out for its in-depth knowledge of the company and for having well-positioned professionals aligned with the business needs.

Key clients

  • Florespar Florestal S.A.
  • Bayer S.A.
  • Rio de Janeiro Refrescos
  • FOSNOR – Fosfatados do Norte-Nordeste S/A
  • Rumo S.A.
  • LATAM Airlines
  • Cargill
  • Votorantim Cimentos N/NE S.A
  • Ambev S.A.
  • EDP Energias do Brasil S.A.
  • Hines do Brasil
  • Itaú Unibanco S.A.

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.

Practice head

Roberta Danelon Leonhardt

Other key lawyers

Aline Barreto de Moraes e Castro Philodemos; Thais Ferreira Moreno; Guilherme Leal; Alexandre Salomão Jabra