For executive Valdoir Slapak, whose work encompasses administration, finance, corporate restructuring, and strategic management, internal controls are a central aspect of corporate governance. Every company that handles money needs some mechanism to verify whether what has been decided is actually being done, and internal controls serve that purpose. Without this set of rules and checks, managers make decisions based on figures that no one has verified and implement plans that no one closely monitors.
Internal controls are the rules, procedures, and checks an organization adopts to ensure that information is reliable, resources are used as planned, and errors are detected early. They are not simply about bureaucracy or distrust of people. They work like a car’s dashboard: they do not drive the vehicle, but they show the driver the speed, fuel level, and warning signals needed to make decisions with confidence.
What Are Internal Controls, and Why Do They Matter to Managers?
The short answer is that internal controls give managers confidence that the information they rely on is trustworthy. When a cash report reaches the executive team’s desk, someone must have checked whether the entries are correct, whether the accounts match the bank statement, and whether the amounts were approved by someone with the proper authority. Without these steps, decisions are based on assumptions.
From Valdoir Slapak’s perspective, the value of controls lies less in punishing failures and more in the predictability they provide. A manager who trusts the numbers can focus on strategy rather than spending time rechecking figures or putting out fires that could have been identified weeks earlier, when there was still room to correct course at a low cost.
Which Controls Support Sound Financial Decisions?
The most useful controls are few in number and clearly defined. The first is segregation of duties: the person authorizing a payment should not be the person executing it, and the person recording it should not be the one reviewing it. In distribution companies, for example, the person negotiating with a supplier is usually different from the person releasing the payment, precisely so that no single individual can handle a transaction from beginning to end.
The second is an approval authority framework, which defines the spending limit each position can approve and when an expense must be escalated to a higher level. The third is reconciliation, the periodic comparison of internal records with external documents, such as bank statements and invoices. The fourth is decision documentation, which records what was decided, by whom, and based on which information.
These control mechanisms reinforce one another. Approval authority without documentation cannot be verified, and reconciliation without segregation of duties loses some of its value because the same person who made an error may also be responsible for reviewing it. That is why controls are designed as an integrated system rather than as a list of independent items, each operating in isolation.

How to Scale Controls to the Size of the Business
A common mistake is to copy the structure of a large corporation into a small business. Excessive controls slow operations, create approval bottlenecks, and encourage people to circumvent the rules. Insufficient controls leave cash exposed to errors and fraud. The right balance depends on transaction volume, the number of people involved, and the impact a failure could have on the business.
How much control is enough? A useful question is what would happen if a given process failed, and the answer varies from one process to another. When the damage is minor and reversible, a simple check may be sufficient. When it could jeopardize cash flow or the company’s reputation, the process warrants double verification, spending limits, and formal documentation. Control efforts should increase in proportion to risk, rather than being applied uniformly.
In Valdoir Slapak’s assessment, controls must also be recalibrated as the business changes. A company that doubles its revenue, opens a branch, or begins operating with longer payment collection periods is no longer the same company for which its original controls were designed. Reviewing them periodically prevents rules created for a smaller operation from becoming outdated or ineffective.
Without Quality Information, No Control Can Be Sustained
No control can compensate for poor information. If data arrives late, incomplete, or without consistent standards, managers make decisions too late or make the wrong ones. Much of the work involved in internal control therefore consists of ensuring that reports use the same definitions, time periods, and sources, so that one month’s figures can be compared with the next.
A useful management report answers the questions managers actually need to ask: how much money came in, how much went out, what is already committed for the coming months, and where results deviate from expectations. Lengthy reports packed with details are of little help when they obscure what matters. The clarity of an indicator is more valuable than the number of pages.
What Does an Effective Control Look Like in Practice?
An effective control leaves an audit trail. It is possible to see who approved a transaction, when it was approved, and which document supported it. When a discrepancy arises, the team can trace it back to its source and correct it without resorting to guesswork. By contrast, a control that exists only on paper is often ignored in urgent situations and only comes back into focus after something has gone wrong.
A simple test is to observe what happens when following the rule becomes inconvenient. If an urgent payment is released without the required approval, the exception must be documented and justified. If this becomes common practice, the rule has ceased to be effective. Controls prove their reliability precisely when they withstand pressure and urgency, not just on quiet days.
As Valdoir Slapak explains, a good internal control system is also measured by what it quietly prevents: duplicate entries, payments exceeding approval limits, and discrepancies that would otherwise surface only during the financial closing process. Prevention costs less than correction, and the risks inherent in any business become visible in time for decisions to be made based on reliable information.
