HMRC Checker

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

Request Feature / Support

15,740+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

User Satisfaction

AI Web Tool Generator

Build Your Own Custom Web Calculator in Seconds

Type what tool or calculator you need below. Our AI will build it instantly for your site.

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.

Save your calculation history with a free account

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?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

Related Tools

Other useful calculators and utilities you might like

Spotify to MP3 Converter

Convert Spotify tracks and playlists to MP3 format instantly with our free online converter.

Road Distance Calculator

Calculate the driving distance and travel time between two addresses with our free online road dista...

Age Calculator

Calculate your exact age in years, months, and days from any birth date to any target date.

Currency Converter

Convert currencies instantly with real-time exchange rates and historical data support.

Your Feedback Matters

Help Us to Improve