
Demarest Advogados’ ‘very competent team’ handles cross-border transactions, project financing, corporate reorganisations, and regulatory compliance for a wide range of clients operating in the hydrocarbons sector. The practice also assists with proceedings before the ANP and concession bidding rounds, with recent mandates involving vessel chartering and operation bids. Leading the ’excellent’ practice from Rio de Janeiro are David Meiler, who frequently supports international companies entering or operating in the Brazilian market, and João Almeida, noted for his expertise in farm-outs, M&A, financing and regulatory matters. Associates Lívia Borges Leal and João Raphael Aranha provide M&A and regulatory support.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'The services provided are of excellent quality, and the team is very competent. Our main relationship is with the oil and gas team, led by David Meiler, with Lívia Borges Leal also standing out.'
Key clients
- QatarEnergy
- Murphy Oil Corporation
- Vibra Energia
- World Kinect Corporation (Terrana)
- Petrom Produção de Petroleo e Gas
- Royal Fic
- Comgas
- National Oilwell Varco
- Maha Energy
- CHC Helicopters
- Noble Energy
- Maersk Supply Services
Work highlights
Advised QatarEnergy Brasil Ltda. on the sale of its 23% participating interest in the offshore fields of Parque das Conchas (Block BC-10), acquired by Enauta for $150m.
Advised Etesco on a bidding process of $250m carried out by Petrobras for the chartering and operation of a vessel (type jackup) in Brazilian waters delimited.
Advised TGS group on Brazilian law matters in connection with the 13.50% senior secured notes due in 2030, in the total amount of $550m issued by the Norwegian entity, TGS ASA, and guaranteed by the Brazilian subsidiary, TGS do Brasil Ltda., and other subsidiaries located in different jurisdictions.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
David Meiler; João Almeida
Other key lawyers
Marina Aidar; Lívia Borges Leal; João Raphael Aranha
