The SIRET code (French: Système d’identification du répertoire des établissements), or SIRET number,[1] is an INSEE code which allows the geographic identification of any French establishment or business.

Construction

This 14-figure numerical identifier is split into two parts:

  • the first is the SIREN code of the legal unit to which the SIRET unit belongs;
  • the second is usually called the NIC (internal ranking number; French: Numéro interne de classement), and is made up of a four-figure number attributed to the establishment and a control figure used to validate the SIRET number as a whole.

For example, 732 829 320 00074 would refer to the seventh establishment (followed by 4 as the check digit) of the business with SIREN number 732 829 320.

Notable exceptions

SIRET is not always a simple 14-digit number. In certain geographic areas like Monaco, it can also be a series of alphanumeric characters, for example, MONACOCONFO001.[2]

Calculating a valid code

The SIRET number's check digit (the last) that verifies the validity of the SIRET number (SIREN + NIC). It is calculated using the Luhn formula.

See also

References

  1. ↑ "Siret number". INSEE official website. Retrieved 29 June 2022.
  2. ↑ "Archived copy" (PDF). Archived from the original (PDF) on 2015-09-23. Retrieved 2016-01-03.{{cite web}}: CS1 maint: archived copy as title (link) (French)
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