
Known for its strength in project development and project finance, Demarest Advogados serves clients across natural resources, social infrastructure, telecoms, logistics, and transport. Bruno Aurélio acts on infrastructure and concession projects, privatisation, and PPP agreements, serving clients in logistics, healthcare, construction, and transport. Marina Ferraz Aidar advises national and international clients, including banks and financial institutions, on the structuring of project finance transactions. Renan Sona covers PPP and privatisation projects, public procurement, and concessions, with experience spanning transportation, logistics, and municipal and social infrastructure.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- Demarest's Projects and Infrastructure team combined solid technical expertise with a practical, business-oriented approach. What stood out was its ability to balance strategy and execution: the team understood the broader objectives of the project and also handled the details needed to deliver. The partner (Bruno Aurélio) brought deep knowledge of the sector and showed creativity and flexibility in adapting to new situations, which was particularly valuable in a regulated market where there was little room for standard solutions. The associate (Roberta Chiminazzo) was an important complement, with careful, well-organized work. Overall, a reliable team that we would consider for similar mandates.
- Bruno Aurélio stood out for his experience and knowledge of the area, and especially for creativity and flexibility in finding workable solutions in a regulated environment. Those qualities set the partner apart from other advisers, who tend to stick to more conventional approaches. Roberta Chiminazzo was diligent, tidy, and thorough, and was a fundamental support in bringing the project to completion. Together they offered a good mix of strategic vision and tactical execution.
- The Demarest Project Finance team is extremely competent, deeply knowledgeable about our business (energy), and provides practical solutions for implementing operations. They don't act as mere legal advisors; their distinguishing feature lies both in their expertise and in their approach to interacting with stakeholders. The lawyers are very talented and manage to create an environment where work flows smoothly, even in highly complex situations.
- Marina Aidar: A highly knowledgeable partner, capable of analyzing complex scenarios and providing practical solutions! Karina Melo: An associate with in-depth knowledge of Project Finance and Capital Markets. She can handle any transaction!
- Demarest stands out for its combination of technical excellence, strong client focus, and high execution capacity in complex financial operations. The team works in an integrated and organized manner, with clear communication and a focus on practical solutions, ensuring efficiency and legal security throughout the entire process. The firm differentiates itself in the Brazilian market as a reliable partner with a strategic vision and high-quality execution.
- The team features lawyers Marina Aidar and Karina Melo, who act as key points of contact and provide technical leadership in the cases handled by the firm. Both are distinguished by their combination of deep legal knowledge, organizational skills, and strong solution-oriented approach. Marina stands out for her strategic vision and ability to conduct discussions with confidence and clarity, especially in complex operations requiring interaction with multiple parties. Karina, on the other hand, stands out for her attention to detail, agility in execution, and excellent document management, ensuring consistency and quality throughout the entire process. A particularly valued quality in both is their availability and objective communication, always focused on finding practical and legally sound solutions. This coordinated and complementary work positions them at a level of excellence compared to their peers in the market.
Key clients
- Acciona
- Aegea Saneamento
- Aena
- American Tower Do Brasil
- Banco Abc Brasil S.A.
- Banco Bradesco S.A.
- Banco BV S.A.
- Banco do Brasil S.A..
- Banco Itaú BBA S.A.
- Banco Modal S.A. And Xp Investimentos
- Banco Nacional de Desenvolvimento Econômico e Social – BNDES
- Banco Santander (Brasil) S.A.
Work highlights
Advised Companhia de Gás de Minas Gerais – GASMIG on the issuance of incentivised debentures in the piped‑gas sector.
Advised Ecotriagem Ltda. on the financing of the first solidwaste sector operation funded by IDB Invest in Brazil, as a transaction for Just Climate.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Bruno Aurélio; Marina Ferraz Aidar; Renan Sona
Other key lawyers
Virginia Mesquita; Karina Melo; Roberta Helena Chiminazzo
