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

English
About
SearchMethodologyAbout

Countries

CZCzechiaEEEstoniaFIFinlandFRFranceIEIrelandLVLatviaNONorwayRORomaniaSKSlovakiaSESwedenTWTaiwanGBUnited Kingdom

Languages

EnglishGaeilgeNorskSuomiSvenskaEestiLatviešuFrançaisČeštinaSlovenčinaRomână繁體中文

C&O

ActiveSIREN number 842 421 133Simplified joint-stock company (SAS)Est. 201870.20 · Business and other management consultancy activitiesBoulogne-Billancourt, Île-de-France
Official record (Annuaire des entreprises) ↗
Age8 years
older than 59% of its sector
Same activity, France217,843live companies · 88406th oldest
In Boulogne-Billancourt28,588live companies · 2,332 in the same activity
At this address407live companies incl. this one

In brief

C&O is a simplified joint-stock company (SAS) registered in France on 13 September 2018. At 8 years old it is older than 59% of the 217,843 live companies whose main activity is business and other management consultancy activities. Its registered office is in Boulogne-Billancourt, Hauts-de-Seine, Île-de-France, at an address shared with 406 other live companies. 2,332 live companies in Boulogne-Billancourt share the same main activity.

Register details

Registered nameC&O
SIREN number842 421 133
Company typeSimplified joint-stock company (SAS)
Registered office8 Rue de L'est, 92100 Boulogne-Billancourt
Nature of business (NACE Rev. 2.1 (French NAF 2025))70.20 Business and other management consultancy activities
International sector (ISIC Rev.4)M · 70 Activities of head offices; management consultancy activities

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated13 September 2018

Business and other management consultancy activities in France

Live companies whose main activity is 70.20: 217,843 in total, median age 6 years, 21,515 incorporated in the past 12 months.

All 217,843 companies
This company's decadeOther decades
050,000100,000150,000200,0001900s: 871900s1910s: 21910s1940s: 21940s1950s: 711950s1960s: 771960s1970s: 2621970s1980s: 2,1331980s1990s: 9,2871990s2000s: 29,7712000s2010s: 59,4262010s2020s: 116,7252020s
Incorporated per year, still live
010,00020,00030,00040,0002011: 4,34520112012: 4,2412013: 4,52620132014: 4,6862015: 5,17120152016: 5,9342017: 7,38820172018: 8,5832019: 10,10720192020: 10,9622021: 14,12220212022: 15,8602023: 16,51620232024: 19,4982025: 22,43220252026: 17,3332027: 22027

Location

Registered office in Boulogne-Billancourt, Hauts-de-Seine, Île-de-France.

Live companies in Boulogne-Billancourt28,588
Same activity in Boulogne-Billancourt2,332
Live companies in Hauts-de-Seine241,725
New in Boulogne-Billancourt, past 12 months1,472

Also registered at this address

406 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
AE
ALTERNATIVE ELECTRIC SOLUTIONSColombes, Île-de-France
Number 842 403 610Est. 2018
LF
LEARNING FUTURESClamart, Île-de-France
Number 842 581 050Est. 2018
AD
ATELIER D'EXCELLENCEAntony, Île-de-France
Number 842 302 614Est. 2018
K
KALLIOPISceaux, Île-de-France
Number 842 402 521Est. 2018
ZC
ZELIT CONSULTINGBoulogne-Billancourt, Île-de-France
Number 842 538 100Est. 2018
LC
LDLB CONSEILNeuilly-sur-Seine, Île-de-France
Number 842 363 525Est. 2018

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.