The Tribunal de Contas do Estado do Piauí is a governmental institution focused on ensuring transparency and accountability in public administration. They offer a range of services and products to promote good governance, such as monitoring public spending, conducting audits, and providing educational programs. Through programs like "Ser TCE" and "Mais Viver Cidadão," they aim to engage citizens and promote better understanding of governmental processes.

The institution also conducts concursos e seleções, offers Diário Oficial services, and provides a portal for issuance of Certidões. Additionally, they offer resources for information on fiscalization, including Pautas e Julgamentos and Resultados dos Julgamentos. With a commitment to upholding the law and promoting transparency, the Tribunal de Contas do Estado do Piauí plays a vital role in safeguarding public funds and ensuring ethical governance