Mattos Filho's compliance and corporate ethics team is structured around six core areas: internal investigations, leniency agreements and remediation, enforcement defence, crisis management, and anti-corruption due diligence for M&A and capital markets transactions. The team handles high-stakes, often cross-border, mandates involving corruption, fraud, bid rigging, harassment, and environmental violations. Thiago Jabor Pinheiro, stands out for his experience in internal investigations, enforcement actions and corporate crisis management, often advising boards and board committees in response to allegations of corporate wrongdoings, including in relation to ESG issues. Thiago Sombra brings additional expertise in anti-corruption, public law, and regulatory investigations, while Marcel Ribas focuses on politically sensitive internal investigations and monitorships. Lucas Ribeiro supports clients with compliance programme assessments, due diligence, and enforcement proceedings.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'The firm's team of lawyers has a significant breadth of knowledge beyond the technical aspects of the matters they cover.'
- 'I highly recommend Mattos Filho, represented by Marcel Ribas, for the excellent support they provide in compliance investigations and for the virtual training delivered to our company. The team stands out for its technical expertise, strategic approach, and high level of professionalism, ensuring effective and personalised solutions.'
- 'What sets Mattos Filho apart is its innovative approach, with a strong investment in technology, which elevates the quality of its legal services. In addition, its commitment to diversity and inclusion reinforces its leadership position in the market. It was an extremely positive experience to work with such a qualified and dedicated team.'
- 'I would like to especially recommend Marcel Ribas, whose expertise and strategic approach were fundamental to the success of the work carried out. His ability to conduct complex investigations with precision, ethics, and technical depth sets him apart in the market, ensuring effective solutions aligned with best compliance practices.'
- 'The firm’s team of lawyers has a valuable breadth of knowledge that goes beyond just technical expertise in the matters they handle.'
- 'Thiago Jabor always provides us with excellent service, offering both confidence and strong support in our decision-making process.'
Key clients
- Meta
- X/Twitter
- Bayer
- Pfizer
- Accenture
- Embraer
- LVMH Fashion Group
- Advent International
- Adventist Risk Management
- Claranet
- Cruzeiro do Sul
Work highlights
Supports Claranet in an internal investigation related to allegations of wrongdoing by its former CEO.
Assisting Inter&Co with a thorough risk assessment on the client’s corporate integrity risks, based on the Brazilian anti-corruption laws and on compliance best practices.
Assisting Allied S.A. with a complex internal investigation, and advising it on the negotiation of a leniency agreement with the Federal Prosecutor’s Office (MPF) and a Civil Non-Prosecution Agreement with the State of São Paulo’s Prosecutor’s Office (MPSP).
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Other key lawyers
Thiago Jabor Pinheiro; Thiago Sombra; Marcel Ribas; Lucas Ribeiro; Luiza Cattley