VAT Enquiries and Investigations

HMRC may compare VAT returns with annual accounts, Corporation Tax figures, customs data, payment processors, bank activity and earlier returns. Officers can sample sales and purchases, inspect VAT invoices, test till or e-commerce systems and review whether business and private expenditure have been separated correctly.

The focus varies by business. Property, construction, hospitality, international services, online marketplaces and partly exempt activities all have distinct VAT risks. The response should explain the actual supply chain and contract terms, not rely on a generic VAT label.

A VAT visit normally examines both transactions and the controls used to prepare returns. HMRC may ask how invoices are captured, who reviews VAT codes, how Making Tax Digital records are maintained and how adjustments are authorised. Rehearse the system walk-through and retain a copy of the records supplied.

If HMRC asks for a broad dataset, identify what exists, the format and any practical limitations. Provide relevant records securely and in an intelligible form. Missing records should be explained honestly, with alternative evidence where available.

VAT errors can arise from arithmetic, duplicated input tax, omitted sales, an incorrect rate or a misunderstood liability. GOV.UK sets out when errors may be adjusted through a later VAT return and when they must be notified separately. Use the current thresholds and instructions applying when the correction is made.

A correction does not automatically settle the penalty position. HMRC considers why the inaccuracy happened, whether disclosure was prompted and how fully the business cooperated. Evidence of reasonable care may include documented advice, staff training, system controls and a sensible review process.