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COSE

ActiveSIREN number 310 517 826Simplified joint-stock company (SAS)Est. 197771.12 · Engineering activities and related technical consultancyMontmagny, Île-de-France
Official record (Annuaire des entreprises) ↗
Age49 years
older than 99% of its sector
Same activity, France64,131live companies · 516th oldest
In Montmagny1,461live companies · 15 in the same activity
At this address31live companies incl. this one
Employees10–19as registered · 2024

In brief

COSE is a simplified joint-stock company (SAS) registered in France on 1 January 1977. At 49 years old it is older than 99% of the 64,131 live companies whose main activity is engineering activities and related technical consultancy. Its registered office is in Montmagny, Val-d'Oise, Île-de-France, at an address shared with 30 other live companies. 15 live companies in Montmagny share the same main activity.

Register details

Registered nameCOSE
SIREN number310 517 826
Company typeSimplified joint-stock company (SAS)
Registered office5 B Route de Saint-Leu, 95360 Montmagny
Nature of business (NACE Rev. 2.1 (French NAF 2025))71.12 Engineering activities and related technical consultancy
International sector (ISIC Rev.4)M · 71 Architectural and engineering activities; technical testing and analysis

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated1 January 1977
Employees10–19 (2024)

Engineering activities and related technical consultancy in France

Live companies whose main activity is 71.12: 64,131 in total, median age 9 years, 4,435 incorporated in the past 12 months.

All 64,131 companies
This company's decadeOther decades
010,00020,00030,00040,0001900s: 1591900s1930s: 11930s1940s: 11940s1950s: 501950s1960s: 1091960s1970s: 4091970s1980s: 1,9201980s1990s: 4,9801990s2000s: 12,4362000s2010s: 19,0842010s2020s: 24,9822020s
Incorporated per year, still live
02,0004,0006,0008,0002011: 1,66420112012: 1,4852013: 1,57420132014: 1,6692015: 1,83020152016: 2,0212017: 2,24920172018: 2,4062019: 2,64320192020: 2,7352021: 3,14820212022: 3,4182023: 3,84520232024: 3,9952025: 4,17420252026: 3,6652027: 22027

Location

Registered office in Montmagny, Val-d'Oise, Île-de-France.

Live companies in Montmagny1,461
Same activity in Montmagny15
Live companies in Val-d'Oise139,230
New in Montmagny, past 12 months81

Also registered at this address

30 other live companies share this registered office; shown are those incorporated closest in time to this one.

Similar companies

Live companies with the same main activity, nearest first.

Compare all
SE
SOC EXPLOIT ETS J P CHAUCHELe Thillay, Île-de-France
Number 309 553 683Est. 1977
E
EUROPRESTLe Thillay, Île-de-France
Number 311 022 685Est. 1977
SP
SOCIETE PEINTURE ET ETUDES ARCHITECTURALESEnghien-les-Bains, Île-de-France
Number 313 549 891Est. 1978
SA
SOC ASSISTANCE TECH ETUDE MECANISATIONPontoise, Île-de-France
Number 307 131 847Est. 1976
EI
EXPORT-ASSISTANCE INTERNATIONALEnghien-les-Bains, Île-de-France
Number 703 002 444Est. 1976
E
ECOTECArgenteuil, Île-de-France
Number 315 105 353Est. 1979

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.