Protect Your Cash: Practical Internal Controls for a Small Business

A small team often relies on trust and informal messages. One person orders goods, records the invoice, pays the supplier, and reconciles the bank. It is convenient, but errors can pass through the entire process unchecked.

Internal controls make important decisions visible and reviewable. They help honest people catch mistakes and reduce opportunities for misuse of business funds.

I. Map where money enters and leaves

List the ways the business collects and pays money: cash sales, bank transfers, online settlements, petty cash, payroll, supplier payments, refunds, and reimbursements. Identify who initiates, approves, executes, records, and reviews each flow.

Focus first on material amounts, high-frequency transactions, and areas with weak records. Controls should respond to the business’s actual risks rather than simply copy a large company’s policy manual.

II. Establish payment authority

Set written approval limits and identify authorized substitutes. Specify what support is required before release, such as the invoice, evidence of receipt, and explanation of business purpose.

An approval message should identify the payee and amount. “Please handle this” is a weak basis for deciding whether a particular transfer was authorized. Emergency payments should receive documented follow-up rather than permanent exemption from review.

III. Add a second check at vulnerable points

• Vendor creation and bank changes: independently confirm details through a known channel.
• Duplicate invoices: compare supplier, invoice number, amount, and payment history.
• Receipt of goods or services: verify delivery before treating the invoice as ready to pay.
• Payment release: compare bank instructions with the approved obligation.
• Refunds: link the refund to the original transaction and the approval.
• Petty cash: reconcile cash on hand and supported vouchers to the authorized fund.

Do not rely on a screenshot of changed payment instructions as though it were independent verification. Compromised messages can look familiar.

IV. Adapt segregation to a small team

Where possible, separate authorization, custody of funds, recording, and reconciliation. If staffing makes that impossible, use compensating oversight: an owner reviewing bank statements directly, examining unusual payments, and checking vendor changes before release.

The review needs evidence and follow-up. A month-end signature on a summary may fail to reveal the specific transactions that matter.

Use individual accounts with appropriate access and remove access when responsibilities change. Avoid sharing one login among several people where individual accountability is needed.

V. Review exceptions regularly

Look for unusual payees, round amounts, repeated transactions just below approval limits, weekend activity, old clearing balances, and reimbursements without support. These are reasons to investigate; they are not proof that someone committed fraud.

1. Record the exception precisely. Identify the transaction and question.

2. Obtain the underlying documents. Avoid conclusions from a bank description alone.

3. Ask the responsible person for an explanation. Compare it with the evidence.

4. Correct the records where appropriate. Retain the approval and basis.

5. Fix the process weakness. Prevent a known problem from repeating.

VI. The practical takeaway

Protect cash through clear authority, independent checks, and timely reconciliation. A workable control is one people understand, perform, and can prove they performed.

Sources and further reading

• Small business management guidance: https://www.sba.gov/counseling/manage-your-business/

This article provides general accounting and financial management information. Examples are illustrative. The accounting treatment and compliance requirements depend on the entity’s applicable Philippine reporting framework and circumstances.

For help strengthening your reporting and financial management, contact MJM Law & Partners: https://www.mjmlawpartners.com/contact.

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