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COSLEO

ActiveSIREN number 999 773 716Simplified joint-stock company (SAS)Est. 202671.12 · Engineering activities and related technical consultancyBoulogne-Billancourt, Île-de-France
Official record (Annuaire des entreprises) ↗
Ageless than a year
older than 5% of its sector
Same activity, France64,131live companies · 60803rd oldest
In Boulogne-Billancourt28,588live companies · 319 in the same activity
At this address694live companies incl. this one

In brief

COSLEO is a simplified joint-stock company (SAS) registered in France on 13 January 2026. It is less than a year old; 95% of the 64,131 live companies whose main activity is engineering activities and related technical consultancy are older. Its registered office is in Boulogne-Billancourt, Hauts-de-Seine, Île-de-France, at an address shared with 693 other live companies. 319 live companies in Boulogne-Billancourt share the same main activity.

Register details

Registered nameCOSLEO
SIREN number999 773 716
Company typeSimplified joint-stock company (SAS)
Registered office32 Rue de Paris, 92100 Boulogne-Billancourt
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.

Incorporated13 January 2026

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 Boulogne-Billancourt, Hauts-de-Seine, Île-de-France.

Live companies in Boulogne-Billancourt28,588
Same activity in Boulogne-Billancourt319
Live companies in Hauts-de-Seine241,725
New in Boulogne-Billancourt, past 12 months1,472

Also registered at this address

693 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
K
KERIABoulogne-Billancourt, Île-de-France
Number 999 904 592Est. 2026
QS
QUADIENT SAS 3Bagneux, Île-de-France
Number 100 072 263Est. 2026
MP
ML PARTNERRueil-Malmaison, Île-de-France
Number 999 816 804Est. 2026
F
FLUXILIASaint-Cloud, Île-de-France
Number 999 902 430Est. 2026
X
X-TENSIANeuilly-sur-Seine, Île-de-France
Number 999 916 190Est. 2026
JM
JF MAST INGE-CONSEILBois-Colombes, Île-de-France
Number 100 000 132Est. 2026

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.