Check an EU VAT Number with VIES

Use the official VIES service to validate an EU VAT ID and see whether the number is currently confirmed as valid.

VAT validation is performed through the European Commission VIES service. Some countries return limited company details.

VIES VAT number validation before invoicing

Use this VIES VAT checker to spot invalid or mistyped VAT IDs before they end up on invoices, customer records, or accounting exports.

The validator normalizes the entered number, splits country code and national VAT number, and queries the European Commission VIES service for the official validation result.

What a VIES VAT check includes

  • Format and EU country code normalization
  • Validation through the official VIES service
  • Validity status and request details
  • Available company name and address information where provided by the member state

What does a valid result mean?

A result needs context. Technical validation, actual business activity, and tax treatment are separate questions.

Valid

VIES reports the number as valid at the time of the request. This confirms the response from the responsible member state, but does not automatically prove the partner’s identity, the correctness of an invoice, or the tax treatment.

Invalid

VIES does not confirm the submitted country-and-number combination. Check the spelling, prefix, and source. An invalid response alone does not prove fraud.

Format looks implausible

The input does not match the expected country format at a technical level. No positive VIES confirmation can be derived from that input.

VIES unavailable

The number could be normalized, but the request did not complete successfully. Wait for a response and do not treat a temporary outage as an invalid result.

Official source

Validation through the European Commission VIES system

The validation status is based on the VIES response from the European Commission. VIES queries the responsible national VAT database; the company details returned can differ by member state.

Open VIES at the European Commission

What the check shows

  • whether the country code and input can be processed technically
  • whether VIES reports the number as valid at the time of the request
  • which company details the responsible member state returns

Questions about EU VAT number validation

How do I check an EU VAT number with VIES?

Enter the EU VAT number into the checker. It normalizes the country code and queries the official VIES service for the current validation result.

Does every country return company details?

No. VIES can confirm whether a VAT number is valid, but available name and address details depend on the member state that issued the number.

Does a valid VIES result guarantee tax compliance?

No. The result is a technical validation of the VAT number at the time of the request. Accounting and tax decisions should still follow your local compliance process.