Transparência Internacional Brasil is an anticorruption organization that works to support and mobilize society, generate knowledge, and encourage companies and governments to adopt the best practices of transparency and integrity. Their mission is to build a world free from corruption, and they view this fight as a means to achieve social justice, uphold rights, and promote peace. The organization offers various products and services to achieve their goals, including the Transparency and Public Governance Index, which assesses the transparency levels of Brazilian subnational powers.

They also conduct groundbreaking studies such as the Climate and Corruption Atlas, which highlights the impact of corruption on addressing the climate crisis in Brazil. In addition, they produce the Corruption Perceptions Index, evaluating and ranking the integrity perception of countries and territories worldwide. Transparência Internacional Brasil actively engages with the public through their social media platforms and offers opportunities for donations to make a difference in the fight against corruption