VAT Validator

A professional service for validating VAT identification numbers (UID). Verify company VAT numbers quickly, reliably, and automatically.

What is a UID / VAT Number?

A VAT identification number (UID) is used to uniquely identify companies for cross-border trade and services within the European Union. Proper validation is essential for accounting, invoicing, and tax compliance.

What Is Checked?

  • ✔ Format and country code validation
  • ✔ VAT / UID number validity
  • ✔ Verification against official databases
  • ✔ Company registration status

Why It Matters

  • → Legally compliant invoicing
  • → Prevention of tax errors
  • → Fraud protection
  • → Automation for ERP & accounting systems
  • → Clean and reliable business data