Lefosse Advogados handles a wide range of matters, including independent monitorships, administrative defences before the Brazilian General Comptroller’s Office (CGU), integrity due diligence, and major corporate investigations into fraud and senior management harassment. The firm also represents clients before US regulatory bodies and World Bank institutions, and manages cases involving sanctions systems. The practice is led by Adriana Dantas, who brings over two decades of experience in compliance, multijurisdictional internal investigations, and sanctioning administrative law. Partner Juliana Daniel and senior associate Astrid Lima Rocha left the firm in November 2024 and March 2025, respectively. Marina Nicolosi departed in August 2025.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'Quality and seniority of professionals.'
- 'Technical capacity and professional attitude.'
- 'The Lefosse team has highly experienced professionals who are respected in the market. They are highly qualified, respond promptly, and have worked very closely with me as a client.'
- 'They are very attentive, respond quickly, and meet demands with excellence.'
- 'Adriana Dantas is the partner who leads the team; she has extensive knowledge and experience in the area, which earns her great credibility and trust.'
- 'Adriana Dantas is a great professional. She has a perfect knowledge of the anti-corruption regime both in Brazil and in the US. She is intelligent and understands the business issues.'
- 'Competent team, available to the client and with excellent partnership relationships.'
- 'Extensive experience with major corruption cases.'
- 'They are all very available professionals, technically qualified and very experienced in their fields.'
Key clients
- Âmbar Energia (part of the J&F company)
- AmCom Sistemas de Informação
- Casa dos Ventos (CDV)
- Cipatex Impregnadora de Papéis e Tecidos
- Cloudera Inc.
- AmCom Sistemas de Informação
- Copa Energia
- Coty Inc.
- Cummins Inc.
- Eagle Investments (Controller of the Future Carbon Group)
- EcoRodovias Concessões e Serviços S.A.
- Eletrobras
- Eneva
- Eurofarma Laboratórios
- Europ Assistance /
- J&F Investimentos
- Kinross Mineração
- Nord Anglia Education
- Nuvei Corp
- Pet Center Comércio e Participações
Work highlights
Advised World Bank’s International Finance Corporation – IFC on complex integrity due diligence of a public client and candidate for a billionaire investment in Brazil.
Advised Vale on a complex internal investigation related to an administrative proceeding before the Brazilian Antitrust Office (CADE) involving several large national and international companies.
Advised Vallourec on an extensive and broad assessment of its local activities and compliance with laws and internal policies.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Adriana Dantas