By Brazil Stock Guide – Brazil’s Federal Police launched a sweeping operation on Friday against a fuel conglomerate linked to Grupo Refit, controlled by businessman Ricardo Magro, in a probe involving alleged tax fraud, asset concealment, disguised ownership structures and the transfer of resources abroad.
Brazilian courts ordered the freezing of approximately R$52 billion in financial assets, the suspension of economic activities of the investigated companies, 17 search-and-seizure warrants and the removal of seven public officials from their positions in Rio de Janeiro, São Paulo and Brasília.
Authorities also ordered the inclusion of one target on Interpol’s Red Notice list. The operation was authorized by Brazil’s Supreme Court and forms part of investigations connected to ADPF 635, which focuses on organized-crime activity and its alleged ties to public officials in Rio de Janeiro.
The operation also reached former Rio de Janeiro Governor Cláudio Castro, adding a political layer to the investigation. Federal Police are examining alleged connections between organized-crime structures, public officials and economic groups.
From Manguinhos to Refit
Ricardo Magro took control of the former Manguinhos refinery in 2008. The asset, already financially distressed and operationally fragile at the time, was later restructured and became associated with the Refit brand.
Since then, the company has become one of the most controversial names in Brazil’s fuel market. Tax authorities and competitors increasingly portrayed the group as a symbol of the country’s so-called “habitual tax debtor” model — companies accused of systematically avoiding tax payments as part of their business strategy.
The history stretches back more than a decade. In 2010, Rio de Janeiro’s Civil Police intercepted conversations between Magro and then-congressman Eduardo Cunha during Operation Álquila, an investigation into alleged tax fraud involving Manguinhos.
Refit had already been linked to massive tax disputes, injunctions and controversies surrounding ICMS payments, Brazil’s state-level VAT on fuels. But the new operation pushes the case into a different category: Federal Police are investigating what they describe as a corporate and financial structure allegedly used to conceal assets, disguise ownership and move resources abroad.
In practice, the old tax battle has evolved into a criminal-financial investigation. Authorities are no longer focused only on unpaid taxes, but also on how the group may have used companies, investment funds, financial vehicles and offshore structures to preserve operations and protect wealth.
The Miami connection
The case has also acquired an international dimension. Magro has lived in Miami since the past decade. According to CNN Brasil, presidential aides indicated that President Luiz Inácio Lula da Silva could raise Magro’s case with Donald Trump in the context of Brazil’s fight against organized crime.
That detail matters because it transforms Refit from a domestic tax-enforcement story into a potential cross-border cooperation case involving extradition requests, financial intelligence and asset tracking outside Brazil.
Organized crime and fuel markets
The operation is part of a broader crackdown on alleged organized-crime infiltration into Brazil’s fuel market. The sector is particularly vulnerable because taxes represent a large share of the final price of gasoline and diesel. Companies accused of not paying taxes can sell fuel more cheaply, gain market share and pressure compliant competitors.
That is why the Refit investigation extends far beyond one refinery. It touches a central question for the Brazilian state: whether economic groups can use companies, court injunctions, investment funds and offshore structures to accumulate billions in liabilities while continuing to operate and expand.
What is at stake
The R$52 billion asset freeze summarizes the scale of the operation. It signals that authorities view the case as systemic rather than as a simple tax dispute.
For Brazil’s fuel market, the operation could become a turning point in the fight against chronic tax offenders. For the government, it represents an attempt to restore enforcement capacity in a sector historically exposed to fraud and arbitrage. For Magro and Refit, it is the most serious challenge since the former Manguinhos refinery became one of Brazil’s most litigated industrial assets.
The refinery Magro acquired in 2008 for a fraction of its liabilities has now become the center of a R$52 billion federal operation.