Anti-Corruption 2026

BRAZIL Law and Practice Contributed by: Valeska Teixeira Zanin Martins, Carla Costa Carneiro da Silveira, Carlos Henrique Sousa Dias, João Victor Orlandi Zanetti Della Penna and Renato Bastos Abreu, Zanin Martins Advogados

Zanin Martins Advogados houses an Anti-Corrup - tion practice noted for its speed, strategic precision and strong performance in highly sensitive investiga - tions and enforcement actions. Clients highlight the team’s ability to deliver creative and sophisticated solutions in complex administrative, regulatory and judicial matters involving allegations of corruption and corporate misconduct. The group adopts an in - tegrated approach, combining legal expertise with internal audits, forensic tools, data analysis, com - pliance assessments and strategic communication support. The practice is also recognised for its work

in lawfare-related cases, including cross-border in - vestigations and co-operation procedures. The team includes lawyers with postgraduate education in Bra - zil and abroad, experienced in advising national and multinational companies on governance, integrity, crisis management, internal investigations and deal - ings with oversight authorities. Its high-profile work in major investigations, administrative sanctions and multi-jurisdictional matters has positioned the firm as a leading reference in due process, institutional integ - rity and the defence of fair enforcement.

Authors

Valeska Teixeira Zanin Martins is recognised for her strategic vision and ability to identify structural, political and regulatory risks with exceptional clarity. As co-founder of Zanin Martins Advogados, she brings

Carlos Henrique Sousa Dias is a partner at Zanin Martins Advogados and a standout practitioner in anti- corruption and complex

investigations. He is recognised for his exceptional systemic vision and organisational precision, which enhance his ability to design clear, co-ordinated and high-impact strategies. Carlos advises boards of directors and multinational corporations on major criminal and regulatory matters, combining legal expertise with audits, forensic tools and strategic communication. His swift, structured and multidisciplinary approach delivers sophisticated solutions even in highly sensitive scenarios, including lawfare cases.

a sophisticated and multidisciplinary approach to high-stakes disputes, including matters under intense public scrutiny and cross-border co-ordination. She played a pivotal role in the legal strategy that restored President Luiz Inácio Lula da Silva’s political rights, a milestone that cemented her national and international prominence. Clients praise her capacity to orchestrate complex defences, anticipate risks and deliver creative, effective and institutionally aware solutions.

João Victor Orlandi Zanetti Della Penna is a partner at Zanin Martins Advogados who stands out as a leading figure in anti-corruption and complex investigations. Known for his discipline, boldness, methodical

Carla Costa Carneiro da Silveira is a multidisciplinary and humanistic attorneyat Zanin Martins Advogados recognised for her strategic clarity

and combative advocacy. Her practice is marked by strong interdisciplinarity, combining rigorous legal analysis with audits, expert evaluations and strategic communication to deliver creative solutions. She acts with notable precision in complex disputes and investigations, including lawfare scenarios, consistently balancing technical strength with human sensitivity.

approach and striking courage, he represents boards of directors and multinational corporations in high-stakes criminal and regulatory matters. João applies a distinctly interdisciplinary method, combining legal precision with audits, forensic resources and expert assessments to deliver refined, strategic and highly effective solutions – including in lawfare contexts and other particularly demanding scenarios.

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