What Is an Internal Audit and Does Your Business Need One

What Is an Internal Audit and Does Your Business Need One

When most people hear the word audit, they think of an external review — an independent firm coming in to examine the books and issue a formal opinion. However, there is another type of audit that is equally important and often overlooked by small and medium businesses in The Gambia: the internal audit.

Understanding what an internal audit is, how it differs from an external audit, and when your business should consider one helps you make better decisions about financial governance — regardless of your business size.

What an Internal Audit Is

An internal audit is a structured review of a business’s own financial processes, internal controls, and operational practices. Its purpose is not to produce a formal opinion for external stakeholders — it is to give the business owner or management team an accurate, objective assessment of how well the business is being run internally.

An internal audit looks at whether financial transactions are being recorded accurately and consistently, whether the controls in place are actually preventing errors and misuse, whether policies and procedures are being followed, and whether there are gaps or weaknesses in the way the business manages its finances and operations.

In large organisations, internal audit is a dedicated function. In smaller businesses, it can be carried out periodically with professional support — without the need for a permanent internal audit team.

How It Differs From an External Audit

An external audit is conducted by an independent firm and is focused on producing an opinion on whether the financial statements give a true and fair view. It is primarily designed for external stakeholders — lenders, investors, regulators.

An internal audit, by contrast, is focused inward. It is a management tool. The findings are for the business itself — to identify weaknesses, improve processes, and reduce the risk of financial errors or misconduct. Because of this, an internal audit can be more detailed and more operationally specific than an external one.

Signs Your Business Might Need an Internal Audit

  • Your business has grown significantly and the financial controls that worked when the team was smaller may no longer be adequate
  • You have noticed inconsistencies in your financial records that have not been fully explained
    Staff with access to financial systems have changed and you want to verify that processes are being followed correctly
  • You are preparing for an external audit and want to identify and address any issues in advance
  • A significant transaction — a new partnership, a major contract, or an acquisition — has created new financial complexity that needs to be reviewed.
  • You simply want confidence that your financial systems are working as they should.

What an Internal Audit Typically Covers

The scope of an internal audit depends on the size and nature of the business. However, common areas of focus include the accuracy and completeness of financial records, the controls around cash handling and bank account management, the approval processes for payments and expenses, the reliability of payroll records, inventory management where applicable, and the overall adequacy of the internal control environment.

The output is typically a report that identifies findings, assesses their significance, and recommends specific improvements. The value lies not just in identifying problems — but in providing a clear roadmap for addressing them.

Do Small Businesses in The Gambia Need Internal Audits?

The short answer is: more often than most business owners realise. Internal audits are not reserved for large corporations. Any business that has employees with access to financial systems, that manages significant cash flows, or that is growing beyond the point where the owner can personally oversee every transaction can benefit from a periodic internal review.

The cost of catching a financial control weakness early — through an internal audit — is almost always lower than the cost of discovering it later through an external audit, a regulatory review, or an unexpected financial loss.

Think of It This Way

An internal audit is not about finding fault. It is about making sure your business is as well-managed on the inside as it appears on the outside. The businesses that use internal audits well are the ones that treat financial governance as an ongoing discipline — not something they think about only when someone else requires it.

JS Morlu Gambia is a professional accounting firm and property valuation specialist based at Salameh Complex, Sukuta Highway, Brusubi, Kombo North, West Coast Region, The Gambia. We serve businesses, NGOs, and institutions across Banjul, Serekunda, Brikama, and throughout the country with structured financial reporting, compliance support, independent property valuation, and coordinated audit assistance designed to strengthen financial transparency and support sustainable growth.