GREEK TAX COMPLIANCE

Greek VAT / AFM Validator

Validate 9-digit Greek Tax Identification Numbers (AFM) and check digit arithmetic via client-side Modulo 11 algorithm.

Privacy Guaranteed: Validation executes 100% locally in your browser. No tax numbers are transmitted or logged.

Enter 9-digit Greek AFM / VAT Number

Test sample company VAT:

⚠️ Important Disclaimer: This tool validates solely the mathematical Modulo 11 check digit arithmetic and syntactic structure of the AFM. It does not verify whether the company is currently active or registered with the Greek Independent Authority for Public Revenue (AADE). For official taxpayer verification, visit the official AADE / Taxisnet web services.

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