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Data / France companies / Construction of buildings / Ain

Construction of buildings in Ain: 551 active companies

Updated November 7, 2026. Source: INSEE, base Sirene des entreprises et de leurs établissements, on data.gouv.fr.

551 active companies in Ain have a main activity in NAF division 41, construction of buildings, in the Sirene register stock dated 1 November 2026. 33 were registered in the last 12 months, 2 of them in October 2026, and 83 have employees.

The request: Every company in Ain in NAF division 41, construction of buildings, registered since 2025, with SIREN, NAF code, address and employee band. $10 of work on sign-up, no card.

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  • 551Active companies
  • 33Registered in the last 12 months
  • 2Registered in October 2026
  • 83 (15.1%)With employees
  • 1 November 2026Stock date

Registrations in the last 12 months

Active companies by the month their registration date falls in. The newest month is the last full month before the stock date.

MonthCompanies registered
October 20262
September 20263
August 20262
July 20263
June 20264
May 20262
April 20262
March 20264
February 20265
January 20263
December 20251
November 20252

Registrations per year

Companies registered in each year that are still active in the 1 November 2026 stock. Companies that closed earlier are not counted, so older years read low.

Year registeredActive companies
202233
202334
202440
202529
2026 so far30

By number of employees

The employee band the register holds for each company, as declared for its latest reference year.

EmployeesActive companiesShare
No employees or not declared46884.9%
1 to 9 employees6912.5%
10 to 49 employees132.4%
50 to 249 employees10.2%
250 employees or more00.0%

Industries

IndustryNAF codeActive companies
Legal vehicles for development programmes41.10D182
Residential property development41.10A138
Construction of detached houses41.20A109
Construction of other buildings41.20B68
Development of other buildings41.10C45
Office property development41.10B9

Newest registered companies

Newest first. Only companies with a name that is clearly a business are listed; the counts above include every active company. Each row links to the public record.

CompanySIRENRegisteredNAF codeCommuneSource
SARL sous l'Orme1306038973 September 202641.10CSaint-Maurice-de-Gourdansannuaire-entreprises.data.gouv.fr
Montesy10912926224 August 202641.10AMassignieu-de-Rivesannuaire-entreprises.data.gouv.fr
Azzura10795673223 July 202641.10ALeyssardannuaire-entreprises.data.gouv.fr
A2L Concept10745602213 July 202641.20ARanceannuaire-entreprises.data.gouv.fr
1 RUE de Geneve10704032129 June 202641.10ATramoyesannuaire-entreprises.data.gouv.fr
Pole de Sante du Marmont10637076015 June 202641.10CBeauregardannuaire-entreprises.data.gouv.fr
SES10577626423 April 202641.20ACivrieuxannuaire-entreprises.data.gouv.fr
KLM Invest10250225916 March 202641.10AMartignatannuaire-entreprises.data.gouv.fr
Immo Batiment SARL1018399671 March 202641.20ABriordannuaire-entreprises.data.gouv.fr
E2G Immo10186388427 February 202641.10AMassignieu-de-Rivesannuaire-entreprises.data.gouv.fr

Licence Ouverte / Open Licence 2.0 (Etalab), source INSEE. Counts are of active companies in the Sirene register stock dated 1 November 2026: commercial companies (SARL, SAS, SA and the like) and civil companies such as SCI property companies. Sole traders, associations and public bodies are not counted, and the register lists dormant holding and property companies as active, so a count is of companies on the register, not of trading businesses. A company is counted under its main activity (NAF rev. 2 code) and the commune of its head office; companies whose register entry holds no NAF rev. 2 code are in the totals only. "With employees" means the register holds an employee band of one or more. Industry titles are English renderings of the INSEE labels. Contains data from INSEE, reused under the Licence Ouverte 2.0. This page is not endorsed by INSEE. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.