Internal Audit for Growing Businesses: Build the Controls Before You Scale
Fraud and leakage rarely announce themselves. A right sized internal audit function finds the gaps while they are still small.
By Mdawida LLP Assurance Team

Key takeaways
- Control failures cluster in businesses that outgrew their processes.
- Focus testing on procurement, payroll, cash, and inventory.
- Segregation of duties closes most everyday risk.
Founders often think of internal audit as something only large corporates need. In our experience, the opposite is true. The most damaging control failures happen in businesses that grew faster than their processes, where one trusted person holds too many keys and no one is checking the locks.
What a right sized function looks like
Internal audit does not require a large department. For a growing business it can be a focused programme that tests the areas where money moves: procurement, payroll, cash handling, and inventory. The aim is to confirm that the controls the business believes it has are actually operating.
Segregation of duties is usually the first gap. When the person who approves a payment is also the person who records it and reconciles the bank, the door is open. Simple changes to who does what can close most of the everyday risk.
The payoff
Beyond catching leakage, a working internal audit function makes a business easier to sell, easier to finance, and easier to run. Investors read a strong control environment as lower risk, and that reads directly into value.
This article is general guidance, not specific professional advice. Tax law and reporting standards change, and your situation is unique. Speak with us before acting on anything here.


