Enter a UK VAT number you want to check, it's 9 or 12 numbers, sometimes with 'GB' at the start, like
123456789 or GB123456789.
Enter your own UK VAT number
We need this to give you a reference number.
This is a free service that connects to HMRC to validate UK VAT numbers and check the associated
business details. For those registered for VAT in the UK, you can obtain proof of your check by
selecting the 'proof of your check' option and entering your business's VAT number.
If you need to validate multiple VAT numbers simultaneously, Bulk VAT Validator is a suitable option. For
developers, VAT API is available for integration into your applications.
