42 Auvergne-Rhône-Alpes

SIRET Generator Loire

4 fake SIRET numbers generated with real addresses from the Loire department (42), Auvergne-Rhône-Alpes region. Algorithmically validated, ready for your tests.

Generated Data — Loire

Advanced generator
SIRET SIREN Company Address
198 581 027 11488 198 581 027 Marques SA 336, chemin Guy Gomes,
42000 Saint-Étienne
477 632 400 95867 477 632 400 Moulin chemin Renée Georges,
42000 Saint-Étienne
382 127 710 03255 382 127 710 Buisson Pages et Fils 4, impasse de Tessier,
42700 Firminy
868 282 757 00483 868 282 757 Chevallier S.A. 96, chemin de Collin,
42160 Andrézieux-Bouthéon

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 Loire

The Loire, whose préfecture is Saint-Étienne, has a deeply industrial economic fabric shaped by a long tradition in metallurgy and mechanical engineering, which remain its leading employment sectors and rely heavily on a dense network of SMEs. Heir to the textile, ribbon and trimmings trades, it has repositioned itself toward technical and medical textiles, brought together around the Techtera competitiveness cluster. Saint-Étienne, the only French member of the UNESCO Creative Cities of Design network since 2010 and home to the Cité du design, rounds out this landscape alongside the Roanne basin, the Gier and Ondaine valleys, and the agrifood activity of the Forez plain.

Metallurgy and mechanical engineering Textile, apparel and technical/medical textiles Design and creative industries Agrifood Machinery and equipment manufacturing

Cities in Loire used for generation

The generator uses real cities and postal codes from the Loire department to produce authentic addresses:

42000 Saint-Étienne 42300 Roanne 42700 Firminy 42160 Andrézieux-Bouthéon 42800 Rive-de-Gier

What is a SIRET generator for Loire 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 Loire
  • Simulate business scenarios involving companies from the Auvergne-Rhône-Alpes 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 Loire?

Use our generator above to get fake SIRET numbers with addresses located in the Loire department (code 42). SIRETs are generated according to the Luhn standard, accompanied by the corresponding SIREN, company name and a real postal address in the Auvergne-Rhône-Alpes 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 Auvergne-Rhône-Alpes

Loire is part of the Auvergne-Rhône-Alpes region. Generate fake SIRETs for neighbouring departments too:

Need more SIRET numbers or a CSV export?

Our main generator lets you create up to 1000 entries and export to CSV.