35 Bretagne

SIRET Generator Ille-et-Vilaine

4 fake SIRET numbers generated with real addresses from the Ille-et-Vilaine department (35), Bretagne region. Algorithmically validated, ready for your tests.

Generated Data — Ille-et-Vilaine

Advanced generator
SIRET SIREN Company Address
750 327 371 03146 750 327 371 Lambert Barbier SARL 79, rue Andrée Berthelot,
35170 Bruz
329 105 548 04742 329 105 548 Aubert 83, rue Pierre,
35400 Saint-Malo
527 158 877 00037 527 158 877 Martineau S.A. 900, rue Maggie Baron,
35400 Saint-Malo
173 759 135 00564 173 759 135 Leclercq 10, place Olivie Humbert,
35170 Bruz

This data is entirely fictional and does not correspond to any real entity. To generate more sets and export them, use the advanced generator.

Economy and business landscape of Ille-et-Vilaine

Driven by the Rennes metropolitan area, Ille-et-Vilaine combines a dynamic service economy with a solid industrial base built around the automotive sector, anchored by the Stellantis (formerly PSA) production plant at La Janais near Rennes. As France's leading dairy department, it relies on livestock-oriented agriculture and a major food-processing industry that accounts for a significant share of industrial employment. Rennes has also established itself as a recognized hub for digital technology and cybersecurity, while the coastline around Saint-Malo and the heritage of Fougères sustain substantial tourism activity.

Agriculture and dairy farming Food processing Automotive industry Digital technology and cybersecurity Tourism and coastal heritage

Cities in Ille-et-Vilaine used for generation

The generator uses real cities and postal codes from the Ille-et-Vilaine department to produce authentic addresses:

35000 Rennes 35400 Saint-Malo 35300 Fougères 35500 Vitré 35170 Bruz

What is a SIRET generator for Ille-et-Vilaine used for?

Developers and QA teams often need realistic test data that resembles real French companies. A department-specific SIRET generator allows you to:

  • Test forms that validate SIRET format and postal address
  • Populate demo databases with fictional companies geolocated in Ille-et-Vilaine
  • Simulate business scenarios involving companies from the Bretagne region
  • Train teams without using real data from existing companies

All generated SIRETs are algorithmically valid (verified Luhn key) but do not correspond to any company registered in the INSEE SIRENE registry.

FAQ

How to generate a fake SIRET number for Ille-et-Vilaine?

Use our generator above to get fake SIRET numbers with addresses located in the Ille-et-Vilaine department (code 35). SIRETs are generated according to the Luhn standard, accompanied by the corresponding SIREN, company name and a real postal address in the Bretagne region.

Is it legal to use a fake SIRET number?

Yes, using fake SIRET numbers is perfectly legal in a testing, software development, training or demonstration context. It is important to never use these numbers for real commercial transactions or administrative declarations, which would constitute fraud.

What is the structure of a SIRET number?

A SIRET number consists of 14 digits: the first 9 form the SIREN number (unique identifier of the company), and the last 5 constitute the NIC (Internal Classification Number), which identifies the establishment within the company. The last digit of the SIRET is a control key calculated using the Luhn algorithm.

Can I use these fake SIRETs in an application?

Yes, the generated SIRET numbers are algorithmically valid (correct Luhn key) and can be used to test forms, APIs or databases that validate the SIRET format. However, they do not correspond to any real company in the INSEE SIRENE register.

What is the difference between SIREN and SIRET?

The SIREN (9 digits) identifies a company as a legal entity. The SIRET (14 digits) identifies a particular establishment of that company — a physical address. The same company can have multiple SIRETs (head office + branches), but only one SIREN.

Other departments in Bretagne

Ille-et-Vilaine is part of the Bretagne region. Generate fake SIRETs for neighbouring departments too:

Need more SIRET numbers or a CSV export?

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