
Testimonials
Collated independently by Legal 500 research team.
'Siqueira e Castro stands out in the national legal market for the excellence and quality of its services. The team comprises highly qualified professionals specialising in various areas of law, ensuring tailored and efficient service.'
'The firm offers notably agile service. Its members foster collaboration, encouraging the sharing of knowledge and experience, which leads to more comprehensive and integrated client solutions.'
'Billing is handled with transparency and innovation, offering flexible options tailored to client needs.'
'The teams are highly capable, reflecting ongoing investment in professional development and talent acquisition. The firm holds a prominent position in the national legal market, delivering high-quality services and innovative solutions.'
'João Daniel Rassi has a solid and well-regarded career. He stands out in the field of corporate criminal law and white-collar crime due to his deep expertise.'
'Rassi is known for his remarkable work ethic and his ability to quickly grasp client issues, delivering effective solutions swiftly. He has extensive technical knowledge of the Brazilian criminal system and stays abreast of legislative changes and market trends. His assertiveness and solution-oriented approach are highly valued, making him an indispensable partner for clients.'
Key clients
- Smartfit Escola de Ginástica e Dança S.A.
- ECOLAB QUÍMICA LTDA.
- Prudential do Brasil Seguros de Vida S.A.
- Fast Shop S.A
- Grupo Edson Queiroz – Esmaltec
- Saint-Gobain do Brasil Produtos Industriais e para Construção LTDA.
- Pfizer Inc.
- White Martins Gases Industriais S.A
Work highlights
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
João Daniel Rassi
Other key lawyers
Ana Carolina Machado Medeiros; Beatriz Ramos de Paula Bulcão