VAT Audit: A Practical Guide for UK Businesses

A VAT Audit can be an important part of running a VAT-registered business. Whether you are preparing your records internally or HMRC has contacted you about a compliance check, having accurate VAT records makes the process much easier.

VAT errors can happen for many reasons. An invoice may be recorded incorrectly, the wrong VAT treatment may be applied, or a business may claim input VAT without having sufficient evidence. Reviewing your VAT position regularly can help identify these problems before they become more difficult to resolve. Businesses requiring specialist support can explore VAT Investigation services.

What Is a VAT Audit?

A VAT audit is a detailed review of a business's VAT records, transactions and reporting to determine whether VAT has been calculated and reported correctly.

It can be carried out internally by a business or accountant as a preventative review. HMRC can also carry out VAT compliance checks to make sure a business is paying or reclaiming the correct amount of VAT.

During a review, attention may be given to:

·       VAT returns

·       Sales invoices

·       Purchase invoices

·       VAT calculations

·       Credit and debit notes

·       Bank records

·       Business expenses

·       Zero-rated and exempt transactions

·       Import and export transactions

·       VAT account records

The exact checks will depend on the business and the reason for the review.

Why Are VAT Audits Important?

VAT affects everyday transactions, so even a relatively small accounting error can be repeated across hundreds or thousands of invoices.

Regular checks can help a business identify problems such as:

·       Incorrect VAT rates

·       Missing invoices

·       Duplicate transactions

·       Incorrect input VAT claims

·       Errors in output VAT

·       Poor treatment of exempt supplies

·       Mistakes involving imports or exports

·       Differences between accounting records and VAT returns

Finding an error internally gives a business an opportunity to investigate what happened and determine whether a correction is necessary.

A VAT review can also highlight weaknesses in record keeping. If invoices are difficult to locate or transactions are not properly categorised, the problem may extend beyond one VAT return.

What Does HMRC Check During a VAT Inspection?

HMRC can visit a business to inspect VAT records and check whether the correct amount of VAT is being paid or reclaimed. These visits are known as compliance checks.

HMRC says it will usually contact a business to arrange a visit and normally gives seven days' notice. In certain circumstances, however, HMRC can visit without an appointment. The frequency of VAT checks can depend on factors such as the size and complexity of the business and whether previous VAT returns were submitted late or incorrectly.

During a visit, HMRC may review statutory records and relevant business information. The purpose is to establish the correct VAT position rather than simply examine whether individual invoices have been filed.

Which VAT Records Should a Business Keep?

Good record keeping is one of the most important parts of VAT compliance.

HMRC states that VAT-registered businesses must keep records including purchases and sales, invoices issued and received, credit and debit notes and other relevant business records. Some VAT records must also be kept digitally where Making Tax Digital requirements apply.

Businesses should have a system that makes it easy to trace transactions from the original documentation through to the VAT return.

Important records may include:

·       VAT invoices

·       Purchase invoices

·       Sales invoices

·       Credit notes

·       Debit notes

·       Bank statements

·       Cash records

·       VAT account

·       Import and export documentation

·       Records supporting VAT adjustments

HMRC generally requires VAT records to be retained for six years, although specific rules and exceptions can apply.

VAT Audit and Common Errors

A VAT audit often reveals mistakes that developed gradually rather than through one major accounting error.

Incorrect VAT treatment

Different goods and services can have different VAT treatments. A business needs to understand whether a transaction is standard-rated, reduced-rated, zero-rated or exempt.

Missing evidence

A business may believe that a transaction qualifies for a particular VAT treatment but lack the documentation needed to support that position.

Input VAT errors

Input VAT should only be reclaimed where the relevant conditions are met. Businesses should keep the appropriate evidence for purchases and expenses.

Export mistakes

Exports can involve specific VAT rules and evidence requirements. Businesses involved in international trade should pay particular attention to documentation.

For businesses selling goods overseas, our guide VAT on Exports: Zero-Rating and Evidence Requirements for UK Businesses provides additional information about the evidence that can be important when applying zero-rating.

How to Prepare for a VAT Audit

Preparation should start well before an HMRC visit or formal enquiry.

Review VAT returns

Compare recent VAT returns with the underlying accounting records. Look for unusual changes, large adjustments or figures that do not reconcile.

Check invoices

Make sure sales and purchase invoices contain the information needed to support the VAT treatment applied.

Review expenses

Check whether VAT has been reclaimed correctly on business expenses and whether the supporting documentation is available.

Examine unusual transactions

Large purchases, asset sales, imports, exports and unusual adjustments deserve particular attention because they may require different VAT treatment.

Reconcile your VAT account

The figures reported to HMRC should be capable of being traced back to the business's accounting records.

What Happens If HMRC Finds an Error?

If HMRC identifies an error during a compliance check, it may require the business to correct its VAT position.

Depending on the circumstances, this could result in additional VAT becoming payable. Interest or penalties may also apply where the relevant conditions are met.

HMRC explains that it will tell a business about any corrections required to its VAT account and whether additional tax or a penalty is due after a VAT inspection.

Businesses should therefore take HMRC correspondence seriously and make sure responses are accurate and supported by the relevant records.

How Professional VAT Support Can Help

VAT rules can become complicated when a business has multiple income streams, international transactions, unusual expenses or large adjustments.

An experienced adviser can help review VAT records, identify potential errors and organise supporting documentation. They can also help a business understand correspondence from HMRC and respond appropriately where a compliance check has started.

The aim is not simply to prepare for an inspection. A properly managed VAT system should make everyday reporting more accurate and easier to maintain.

Summary

A VAT Audit is a useful way to review whether a business's VAT records, transactions and returns are accurate. It can help identify errors in VAT treatment, input VAT claims, invoices, exports and accounting records.

HMRC can also carry out VAT compliance checks when it wants to establish whether a business is paying or reclaiming the correct amount of VAT.

Keeping complete records, reconciling VAT returns and reviewing unusual transactions regularly can reduce the risk of avoidable problems. For businesses with complicated VAT affairs, professional support can provide additional guidance and help when dealing with HMRC.

For businesses seeking wider tax support, Taxcom can be considered as part of a professional accounting and tax strategy.

FAQs

How often should a business carry out a VAT audit?

There is no single schedule that suits every business. A review at regular intervals, such as before VAT returns are submitted or at least periodically during the year, can help identify errors early.

What happens during an HMRC VAT inspection?

HMRC may inspect VAT records and relevant business information to determine whether the correct amount of VAT has been paid or reclaimed. The business may also be told about corrections or penalties following the check.

How long should VAT records be kept?

VAT-registered businesses generally need to keep VAT records for six years. There are some specific rules and exceptions, so businesses should check the applicable HMRC guidance for their circumstances.

Can a VAT audit find errors before HMRC does?

Yes. An internal VAT review can identify incorrect VAT rates, missing documentation, input VAT problems and other reporting errors before they become the subject of an HMRC compliance check.