Law firm in Belo Horizonte, Brazil

Every meaningful claim begins with someone who refuses to give up on justice.

Who we are

Outstanding legal service begins with listening.

At Castro & Chagas, before developing a strategy, we take the time to understand each person, their story and what is at stake. Effective legal representation begins with that understanding.

We examine every matter in depth, build each strategy carefully and follow every step closely—with transparency and respect.

Our work is guided by a simple principle:

No one should have to face, alone, institutions with far greater resources, influence and power.

This is where Castro & Chagas builds its work and its mission.

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Practice areas

Where we focus our work

We focus on areas where legal representation plays a decisive role in protecting fundamental rights and promoting institutional accountability.

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Banking Law

We represent individuals and businesses in disputes involving abusive practices, improper charges, banking agreements and violations of customer rights by financial institutions.

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Health Law

We represent health-plan beneficiaries in disputes with providers, seeking access to treatments, medication, procedures and other rights under Brazilian law.

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Environmental Law

We advise on individual and collective claims relating to environmental damage and its effects on people, communities and territories, seeking accountability, full redress and protection for those affected.

Consumer Law

We protect consumer rights in and out of court in disputes involving services, contracts, air travel, e-commerce and other consumer relationships.

What guides us

Our principles

Justice to protect and redress

We believe everyone deserves access to information, qualified representation and a genuine opportunity to assert their rights, regardless of the size or influence of the opposing party.

Beyond handling proceedings, we work to help make justice effective, turning legal knowledge into a tool for protection, reparation and dignity.

Personal attention in complex litigation

Throughout their careers, the partners at Castro & Chagas have worked on collective disputes and matters of significant social, economic and environmental importance.

This experience has shaped a method that combines organization and efficiency with individual attention, even in facing the inherent challenges of large-scale litigation.

Clear communication

Behind every case is a story, a concern and a legitimate expectation of justice. We value a legal practice built on trust, transparency and respect.

We communicate clearly at every stage, so our clients understand the legal options and take part in decisions that affect their interests.

Structure and technology

We use advanced case-management and monitoring tools to bring greater organization, transparency and security to our work.

Technology does not replace the human perspective; it strengthens our ability to provide efficient, accessible legal services prepared for today's and tomorrow's challenges.

Our team