How Often Should Your Business Engage Auditing Firms Beyond the Mandatory Annual Audit?

Why Is an Annual Audit Not Always Enough?

A statutory audit is an important part of business compliance. It gives stakeholders an independent view of the company’s financial statements and records.

But an annual audit looks at a defined period. Some business problems can arise months before the next audit begins.

For example, a weak approval process may allow incorrect payments to continue for several months. A gap in stock records may also remain unnoticed until the year-end review.

This is where auditing firms can provide value beyond the mandatory audit. Periodic reviews can help businesses check their financial controls, records and processes during the year.

The goal is not to audit everything every month. It is to review the areas where errors or risks are more likely to occur.

What Factors Should Decide Your Audit Frequency?

There is no single audit schedule that suits every business.

A small business with stable transactions may need fewer additional reviews. A growing company with several locations, large transactions or complex systems may need more regular checks.

Consider these factors:

• Business size: Larger operations often have more transactions and processes to review.
• Transaction volume: A high number of daily transactions increases the chance of errors.
• Industry risks: Certain sectors face stricter compliance and reporting requirements.
• Growth rate: Fast expansion can create gaps in controls and record-keeping.
• Management structure: Businesses with several approval levels may need regular control reviews.
• Previous audit findings: Repeated issues may call for more frequent checks.
• Technology use: Automated systems still need periodic review to identify data or access issues.

These factors can help management decide how often external review is useful.

How Often Should a Business Get Its Financial Records Reviewed?

For many businesses, a quarterly review can be a practical starting point.

A quarterly review does not have to be a full statutory audit. It can focus on key financial areas such as revenue, expenses, receivables, payables and cash movements.

For example, a business may use this schedule:

The right frequency depends on the business. Some companies may need quarterly reviews, while others may only need a half-yearly assessment.

When Should Internal Controls Be Checked During the Year?

Internal controls should not be treated as a year-end exercise.

Controls determine how a business approves payments, records transactions, protects assets and manages access to financial information.

A control may look effective when first introduced but become weaker as the business changes.

A mid-year review can ask simple questions:

1. Are payments being approved by the right people?
2. Are duties properly separated?
3. Are bank accounts reconciled regularly?
4. Are unusual transactions reviewed?
5. Are accounting system access rights still appropriate?
6. Are supporting documents available for major expenses?

Regular checks can help management find gaps while there is still time to correct them.

This is one area where auditing firms can support businesses without waiting for the annual audit cycle.

Which Business Areas Need More Frequent Audit Reviews?

Not every part of a business carries the same level of risk.

Management should focus more attention on areas where mistakes can have a larger financial or legal impact.

These may include:

• Cash handling
• Inventory management
• Payroll
• Sales and receivables
• Vendor payments
• Tax records
• Related-party transactions
• Employee expense claims
• Bank reconciliations
• Access to accounting systems

A business with high-value inventory may need more frequent stock checks. A company with many vendors may benefit from regular review of purchase and payment controls.

The review should match the actual risk rather than follow a fixed checklist.

Can More Frequent Audits Help with Fraud Detection?

Regular reviews can make it easier to spot unusual activity.

Fraud does not always involve a large transaction. Small irregular payments, duplicate invoices or unusual vendor activity can add up over time.

An annual audit may identify some issues, but periodic reviews can shorten the time between an irregular transaction and its detection.

Some warning signs include:

• Repeated payments to the same vendor
• Duplicate invoices
• Unusual changes in expenses
• Transactions outside normal business patterns
• Missing supporting documents
• Unexpected changes in margins
• Unexplained stock differences

A review does not automatically prove fraud. It helps identify areas that need further investigation.

When concerns arise, auditing firms may also assist with a more focused investigation or review.

Does Business Growth Change How Often You Need Audits?

Yes. Growth can change a company’s risk profile.

A business may start with a small team where the owner reviews most financial activity personally. As the company grows, more employees, vendors, customers and systems become involved.

This can make informal checks less effective.

A growing business should consider an additional review when it:

• Opens a new branch
• Enters a new market
• Adds major vendors
• Raises external funding
• Introduces new accounting software
• Makes a major acquisition
• Experiences a sharp rise in sales
• Expands its workforce significantly

A review during such periods can help management understand whether existing controls can support the larger operation.

When Is a Special Audit Review More Useful?

Some situations call for a review outside the normal schedule.

For example, a business may need additional assurance before a major transaction. Investors, lenders or potential buyers may also request financial information to be independently reviewed.

Special reviews may be useful for:

• Mergers and acquisitions
• Business valuation
• Due diligence
• Suspected financial irregularities
• Major restructuring
• New investment
• Significant changes in ownership
• Complex financial transactions

The scope should be agreed before the review starts. This helps the business focus on the questions that matter most.

How Can You Choose the Right Audit Schedule?

The best audit plan should be based on risk, not habit.

Start by listing the business areas where an error could cause financial loss, compliance issues or operational problems.

Then rate each area based on its likelihood and possible impact.

A simple approach is:

• Low risk: Review annually or during the regular audit.
• Medium Risk: Consider a half-yearly or quarterly review.
• High risk: Consider more frequent monitoring and targeted reviews.

The schedule should also be reviewed when the business changes.

A company that needed only an annual review two years ago may now need quarterly checks because of rapid growth.

How Can Regular Audit Support Improve Business Control?

Regular audit support can give management a clearer view of financial processes throughout the year.

It can help identify issues early, improve record-keeping, and support better financial decisions.

However, additional reviews should not create unnecessary work. The scope should remain practical and focused on areas that matter to the business.

The purpose of engaging auditing firms beyond the statutory audit is not simply to increase the number of audits. It is to create timely checks where they can provide useful insight.

How Can We Help You Plan the Right Audit Review Cycle?

An annual statutory audit remains an important requirement. But for many businesses, waiting until year-end to review every risk may not be enough.

A better approach is to match review frequency with the size, complexity, and risk of the business. Quarterly, half-yearly or targeted reviews can help management address issues before they grow.

We at Shah Doshi help businesses assess their audit and review requirements based on their operations and risk areas. Our approach focuses on practical checks that can support stronger financial controls and better compliance.

If you are looking for reliable auditing firms in Mumbai, we can help you understand which review areas need attention and how often they should be assessed. Speak to Shah Doshi to plan an audit approach that fits your business needs.