Internal Controls
Internal controls are the policies, procedures and checks an organisation uses to safeguard assets, prevent fraud and ensure purchasing is accurate and authorised.
In procurement, internal controls include approval limits, segregation of duties, three-way matching, supplier vetting and system access restrictions. Their purpose is to make sure spending is authorised, recorded correctly and protected against error or abuse. Controls can be preventive — stopping a problem before it happens — or detective, flagging issues after the fact for investigation.
Well-designed controls balance protection with practicality; too many approvals slow the business, while too few invite fraud and leakage. Automating controls inside a procurement platform enforces them consistently — blocking orders above a user's limit or without a matching receipt — and leaves an audit trail that supports governance reviews and external audits.
Key points
- Include approval limits, segregation of duties and transaction matching.
- May be preventive (stop issues) or detective (flag issues afterwards).
- Automation enforces controls consistently and creates an audit trail.
Frequently asked questions
- What are internal controls in procurement?
- Internal controls are the policies, procedures and checks — such as approval limits, segregation of duties and invoice matching — that keep purchasing authorised, accurate and protected from fraud or error.
- What is the difference between preventive and detective controls?
- Preventive controls stop a problem before it occurs, such as blocking an unauthorised order, while detective controls identify problems after they happen, such as a report highlighting duplicate payments.
Related terms
Segregation of Duties (SoD)
Segregation of duties is a control that splits key steps of a transaction among different people so no single individual can complete a purchase alone.
Read definitionProcurement Governance
Procurement governance is the framework of policies, roles, approvals and controls that direct how an organisation makes and oversees its buying decisions.
Read definitionThree-Way Matching
Three-way matching is a control that checks the purchase order, goods received note and supplier invoice agree before an invoice is paid.
Read definitionDelegation of Authority (DOA)
Delegation of authority (DOA) is the documented set of spending limits that defines who in an organisation can approve purchases of what value.
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