In March 2021, Brazilian inspectors uncovered conditions resembling slavery involving workers employed by Sider, a contractor for Ambev and Heineken. Immigrants from Venezuela and Haiti were found to be working under inhumane conditions, including long hours without days off, lack of drinking water, and other exploitative practices. Ambev was fined and later took measures to transfer the workers to safer conditions, but the incident highlights serious labor and supply chain ethical issues.

An inspection report revealed that Ambev's outsourced labor practices enforced slave-like conditions, including grueling work hours with no mandated rest, deductions from pay for mishaps, and unsafe working conditions, leading to compensation for affected workers.

Ambev, along with Heineken, was fined following a labor inspection in São Paulo that revealed slave-like conditions among Venezuelan immigrant truck drivers. The investigation found that workers were forced to work in degrading conditions without appropriate lodging, rest, or fair compensation, resulting in significant labor abuses.

In March 2021, Brazilian authorities intervened when inspectors dismantled a system of work conditions analogous to slavery involving the country's two largest beer producers. Ambev, alongside Grupo Heineken (Cervejarias Kaiser Brasil), was fined after an outsourced trucking company, Sider, subjected 23 immigrant workers (22 Venezuelans and one Haitian) to exploitative labor conditions, including excessively long hours, inadequate rest, and substandard living conditions in truck cabins.