Brazil Guide 2026 : Brazil
Ranked Individual
Provided by Leoni Siqueira Advogados
The Corporate/Commercial team at Leoni Siqueira Advogados advises on mergers and acquisitions, corporate reorganisations, shareholders' agreements, and capital markets matters, alongside day-to-day corporate governance for privately held and publicly listed entities, including CVM compliance and commercial registry filings before JUCERJA. Cross-border work is a regular feature of the practice, with the team producing bilingual transaction documentation and advising on the structuring of foreign investments in Brazil.
The team acts for domestic mid-market companies, family-owned business groups, and foreign investors entering the Brazilian market. The boutique structure ensures direct partner involvement across all mandates, allowing for close alignment with each client's business objectives.
The practice has particular depth in shareholders' agreements for closely held companies, corporate restructuring and dissolution proceedings, and wealth planning structures at the intersection of corporate and succession law.
Provided by Chambers
Leoni Siqueira Advogados is a well-recognised boutique firm based in Rio de Janeiro and specialised in a range of corporate-related work. The team's activity encompasses M&A deals, capital markets, due diligence and corporate reorganisations.
Provided by Chambers
Leoni Siqueira Advogados has senior partners with extensive market experience. The team is attentive, proactive and dedicated.
Leoni Siqueira Advogados stands out for the high level of service and the extremely helpful attitude of the team, which acts with agility, availability, and a strong sense of commitment to the client. There is a clear concern to offer timely responses and practical solutions, always maintaining a high standard of quality in deliverables. The team keeps a close relationship, being accessible and engaged throughout the entire process, which contributes to fluid communication and constant alignment of expectations.
Provided by Chambers
Head of department João Paulo Ferraz Vasconcellos represents clients in sophisticated deals, including capital markets, corporate reorganisation and M&A mandates, also providing cross-border services.
João shows strong technical expertise and confidence in handling complex issues, serving as a reliable source for strategic discussions. His performance conveys credibility and consistency, especially in situations requiring more refined legal judgement. He also stands out for his availability and commitment to the client, maintaining close contact and attention to their needs, which contributes to a solid and trusting relationship. His communication is clear and objective, facilitating the understanding of more sophisticated topics and supporting decision-making.
Head of Corporate/Commercial: Rio de Janeiro
Provided by Leoni Siqueira Advogados
Guilherme Pacheco de Britto
Paulo Vitor Almeida dos Santos
Ana Beatriz Fernandes Pereira
Chambers is the leading data and intelligence partner for the legal sector.
