HMRC Checker

Validate UK VAT numbers and check company details against official HMRC database

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About This Tool

The HMRC Checker is a comprehensive tool that allows you to verify UK VAT numbers and check company details against the official HMRC database. Enter a single VAT number and company name for instant validation, or upload a CSV file for bulk checking. The tool connects to HMRC's official VAT validation API to provide accurate, real-time verification results including company name, address, VAT status, and validation date.

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How to Use

Enter a UK VAT number (9 digits starting with GB) in the first field
Enter the company name for verification
Click 'Validate VAT Number' to check against HMRC database
For bulk checking, click 'Upload CSV File' and select a file with VAT numbers and company names
View detailed validation results including company details and verification status
Download results as CSV for your records

Frequently Asked Questions

Find Quick Answers

What is an HMRC VAT number?

An HMRC VAT number is a unique 9-digit identifier assigned to UK businesses registered for Value Added Tax. It typically starts with 'GB' followed by 9 numbers (e.g., GB123456789).

How accurate is the HMRC Checker?

The tool connects directly to HMRC's official VAT validation API, providing real-time, accurate verification results identical to what you would get from HMRC's own systems.

What format should my CSV file have for bulk checking?

Your CSV should have two columns: 'vat_number' and 'company_name'. The first row should contain headers. Example: vat_number,company_name\nGB123456789,Example Ltd\nGB987654321,Test Company Ltd

Is there a limit to how many VAT numbers I can check?

For single checks, there's no limit. For bulk CSV uploads, the tool can process up to 1000 records per file to ensure optimal performance.

What information does the HMRC Checker provide?

The tool provides company name verification, registered address, VAT registration status (active/ceased), validation date, and whether the VAT number format is valid.

Need to run multiple calculations?

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