Data from the official company registers of 12 countries. Not an official register.

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POSEIDON

ActiveSIREN number 482 389 426Simplified joint-stock company (SAS)Est. 200542.91 · Construction of water projects
Official record (Annuaire des entreprises) ↗
Age21 years
older than 57% of its sector
Same activity, France275live companies · 118th oldest
At this address1only this company

In brief

POSEIDON is a simplified joint-stock company (SAS) registered in France on 12 May 2005. At 21 years old it is older than 57% of the 275 live companies whose main activity is construction of water projects.

Register details

Registered namePOSEIDON
SIREN number482 389 426
Company typeSimplified joint-stock company (SAS)
Registered office251 B Rue de Sauxmarais, 50100 CHERBOURG-EN-COTENTIN
Nature of business (NACE Rev. 2.1 (French NAF 2025))42.91 Construction of water projects
International sector (ISIC Rev.4)F · 42 Civil engineering

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated12 May 2005

Construction of water projects in France

Live companies whose main activity is 42.91: 275 in total, median age 17 years, 8 incorporated in the past 12 months.

All 275 companies
This company's decadeOther decades
0204060801900s: 441900s1940s: 111940s1950s: 221950s1960s: 441960s1970s: 661970s1980s: 19191980s1990s: 44441990s2000s: 64642000s2010s: 73732010s2020s: 58582020s
Incorporated per year, still live
051015202011: 620112012: 82013: 720132014: 122015: 620152016: 82017: 520172018: 82019: 820192020: 52021: 920212022: 62023: 820232024: 112025: 1120252026: 8

Location

Registered office.

Similar companies

Live companies with the same main activity, nearest first.

Compare all
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SIKOOSevrier, Auvergne-Rhône-Alpes
Number 483 582 755Est. 2005
TM
TRAVAUX MARITIMES INTERNATIONAUXPoggio-di-Nazza, Corsica
Number 481 126 910Est. 2005
CD
COMPAGNIE DE TRAVAUX SUBAQUATIQUES INTERNATIONALSaint-Paul, Réunion
Number 481 362 879Est. 2005
OG
OPL GEOTEXTILESSainte-Marie-la-Mer, Occitania
Number 480 484 633Est. 2005
T
TGMLège-Cap-Ferret, Nouvelle-Aquitaine
Number 479 728 909Est. 2004
ET
EIFFAGE TRAVAUX MARITIMES ET FLUVIAUXVélizy-Villacoublay, Île-de-France
Number 484 771 845Est. 2006

Sources

Register data: Insee, Sirene database of companies and establishments (Licence Ouverte / Open Licence 2.0), delivery of 21 October 2026. Territories: Insee, Code officiel géographique 2026. Industry names: European Union, EU Vocabularies (NACE Rev. 2.1). Context figures are computed by FirmsDB from these sources. This page is not an official register; check the company's entry in the French government business directory before relying on it.