French SIREN Number Validator
Validate the authenticity, format, and checksum of French SIREN Number.
About French SIREN Number Validation
The SIREN number is the single legal identifier for enterprises and organizations in France, assigned by INSEE upon company registration.
It consists of 9 numerical digits, where the first 8 are sequential entity digits and the 9th is a check digit validated by the Luhn algorithm (Modulo 10).