SIRET Generator Loire-Atlantique
4 fake SIRET numbers generated with real addresses from the Loire-Atlantique department (44), Pays de la Loire region. Algorithmically validated, ready for your tests.
Generated Data — Loire-Atlantique
Advanced generator| SIRET | SIREN | Company | Address |
|---|---|---|---|
| 839 436 524 43723 | 839 436 524 | Hoarau |
rue de Bourgeois, 44600 Saint-Nazaire |
| 866 784 325 00783 | 866 784 325 | Marchand |
94, boulevard Le Gall, 44000 Nantes |
| 449 874 783 01944 | 449 874 783 | Labbe Gillet et Fils |
1, chemin de Barbe, 44400 Rezé |
| 607 325 677 09006 | 607 325 677 | Marie |
9, rue Constance Carlier, 44000 Nantes |
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-Atlantique
Loire-Atlantique is one of the most dynamic departments in western France, organised around the Nantes metropolitan area and the Nantes Saint-Nazaire industrial-port complex. It is France's leading shipbuilding hub, home to the Chantiers de l'Atlantique in Saint-Nazaire, and hosts Airbus's second French site, placing the department among the country's major aeronautics centres. This industrial base is complemented by a European-scale agrifood sector, a fast-growing services and digital industry around Nantes, and port and tourism activity along the Atlantic coast.
Cities in Loire-Atlantique used for generation
The generator uses real cities and postal codes from the Loire-Atlantique department to produce authentic addresses:
What is a SIRET generator for Loire-Atlantique 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-Atlantique
- Simulate business scenarios involving companies from the Pays de la Loire 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
Use our generator above to get fake SIRET numbers with addresses located in the Loire-Atlantique department (code 44). SIRETs are generated according to the Luhn standard, accompanied by the corresponding SIREN, company name and a real postal address in the Pays de la Loire region.
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.
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.
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.
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 Pays de la Loire
Loire-Atlantique is part of the Pays de la Loire 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.