
With broad expertise in corporate, commercial, and post-M&A disputes, Machado Meyer Sendacz e Opice Advogados is equipped to assist with domestic and international arbitration proceedings, with a particular emphasis on the construction, energy, and oil and gas sectors. Practice head Eliane Cristina Carvalho brings extensive experience in crisis management, focusing on the prevention and resolution of civil disputes, alongside commercial arbitration mandates. Gisela Ferreira Mation specialises in cross-border contract, corporate, and civil liability disputes. Leandro Felix left the firm in May 2025.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- Gisela Ferreira Mation: A steady, strategic presence throughout. Her leadership provided confidence and direction, and her involvement ensured that all moving parts — legal, procedural, operational — stayed aligned with the broader case strategy.
- The team demonstrates end-to-end ownership of complex ICC arbitrations, combining strong legal strategy with rigorous project management. They uniquely manage the full operational ecosystem—vendor coordination, bilingual hearing execution, digital workflows, and cross-border arrangements—allowing the client to focus on case substance. Clear procedural roadmaps, milestone management, cost-submission discipline, and consistent alignment across hearings, post-hearing briefs, replies, and award timelines. Thorough witness preparation, structured pre-hearing briefings, and effective management of simultaneous depositions (including remote U.S. participation). Reliable handling of transcripts, recordings, vendor clarifications, and secure link distribution (with rapid IT troubleshooting). Early identification of payment deadlines, proactive handling of invoice corrections, and precise guidance on acceptable cost-recovery documentation (NFs, supporting proposals/contracts). High-quality communication cadence, practical checklists, and support that kept internal legal, finance, and procurement teams synchronized. Machado Meyer differentiates itself through its combination of legal expertise, operational rigor, digital fluency, and financial transparency, delivering a predictable, well-structured, and highly professional arbitration experience.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Eliane Cristina Carvalho
Other key lawyers
Gisela Ferreira Mation; Iuri Reis

