The freezing of bank accounts without a court order has ceased to be a hypothetical scenario and has become a reality that is redefining the relationship between companies and authorities in Mexico. Following the validation by the Supreme Court of Justice of the Nation (SCJN) , the blocking of financial resources can be carried out under the presumption of irregularities, significantly increasing the level of operational risk for companies.

Beyond a legal debate, the issue has raised concerns in the business sector due to its direct implications for liquidity, operational continuity, and corporate strategy.

In a conference, analyst Mauricio Candiani warned that this measure gives the financial authority a power comparable – in different proportions – to that which international organizations have to exclude companies from the global financial system.

“Freezing accounts based on presumptions is an extremely powerful tool,” he noted.

He stressed that a decision of this type can completely paralyze a company’s operations.

The context is further complicated by a judicial system that, according to the expert, is undergoing a period of institutional transition, with reduced operational capacity and a greater political burden. This could translate into slower and less predictable processes for companies seeking to defend themselves.

At the same time, the tightening of oversight by the Tax Administration Service (SAT) has shortened audit times and increased the level of scrutiny.

According to the Payana platform , under the 2026 Master Audit Plan , in-depth audits can be resolved in as little as 24 days. In this environment, minor administrative errors, such as inconsistencies in billing or supplier validation, can trigger critical penalties, including the cancellation of the Digital Seal Certificate (CSD), the blocking of bank accounts, and the immediate interruption of operations.

This implies that fiscal risk is no longer solely regulatory, but directly financial.

In this scenario, the ability to demonstrate the “materiality” of the operations (that is, that each transaction has real and verifiable support) becomes the main defense mechanism.

Matías Umaschi, CEO of Payana, explained in an interview that the problem does not necessarily lie in bad practices, but in the lack of internal order.

“Many companies fail not intentionally, but due to process flaws. Not finding an invoice or not properly validating a supplier can become a major problem in this new environment,” he stated.

In this sense, the digitization and automation of the financial back office cease to be optional and become an operational requirement.

Technologies such as artificial intelligence allow for real-time invoice validation with the authorities, detection of high-risk suppliers, linking payments to contracts and deliverables, and generating files ready for audits.

According to the firm’s data, the implementation of these tools can reduce the time spent on administrative processes by up to 85% and eliminate much of the human error.

Beyond technology, the new context also requires a rethinking of business structure . Candiani warned about risks such as concentrating all operations under a single company name, which could amplify the impact of a price freeze.

He also predicted a change in the way companies manage conflicts: less litigation and more private solutions, arbitration, and internal mechanisms within business associations.

Despite the issue’s importance, the tech sector has a more nuanced perspective. Umaschi believes that while freezing accounts is a clear sign of increased control, it is not currently the primary concern for business owners.

“Companies are more focused on costs, inflation, or global disruptions. This issue reinforces a trend that already existed: greater regulation and a need for internal order,” he explained.

However, he agreed that the key will be in preparation and having clear processes, organized information and the ability to respond quickly to any requirement from the authority.

The freezing of accounts without a court order should not be understood as an isolated measure, but as part of a broader transformation of the tax and financial system in Mexico.

In this new environment, the difference between a vulnerable and a resilient company lies not only in its cash flow, but in its ability to demonstrate, in real time, that every penny it moves is backed by its money.

Comment and follow us on LinkedIn: @Jennifer Galindo / @GrupoT21

El cargo Companies in Mexico under scrutiny: account freezing redefines operational risk apareció primero en T21.