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C E R S O J

ActiveSIREN number 784 254 419Registered associationEst. 190073.20 · Market research and public opinion pollingParis 5e Arrondissement, Île-de-France
Official record (Annuaire des entreprises) ↗
Age126 years
older than 97% of its sector
Same activity, France2,881live companies · the oldest
In Paris 5e Arrondissement20,177live companies · 29 in the same activity
At this address214live companies incl. this one

In brief

C E R S O J is a registered association registered in France on 1 January 1900. At 126 years old it is older than 97% of the 2,881 live companies whose main activity is market research and public opinion polling. Its registered office is in Paris 5e Arrondissement, Paris, Île-de-France, at an address shared with 213 other live companies. 29 live companies in Paris 5e Arrondissement share the same main activity.

Register details

Registered nameC E R S O J
SIREN number784 254 419
Company typeRegistered association
Registered office12 Place Du Pantheon, 75005 Paris
Nature of business (NACE Rev. 2.1 (French NAF 2025))73.20 Market research and public opinion polling
International sector (ISIC Rev.4)M · 73 Advertising and market research

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated1 January 1900

Market research and public opinion polling in France

Live companies whose main activity is 73.20: 2,881 in total, median age 21 years, 35 incorporated in the past 12 months.

All 2,881 companies
This company's decadeOther decades
02004006008001900s: 86861900s1910s: 111910s1950s: 111950s1960s: 331960s1970s: 70701970s1980s: 4044041980s1990s: 5915911990s2000s: 6226222000s2010s: 6456452010s2020s: 4584582020s
Incorporated per year, still live
02550751002011: 6920112012: 612013: 6220132014: 462015: 6020152016: 582017: 6720172018: 762019: 7720192020: 772021: 8720212022: 822023: 7020232024: 672025: 4720252026: 28

Location

Registered office in Paris 5e Arrondissement, Paris, Île-de-France.

Live companies in Paris 5e Arrondissement20,177
Same activity in Paris 5e Arrondissement29
Live companies in Paris907,999
New in Paris 5e Arrondissement, past 12 months714

Also registered at this address

213 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
CP
CENTRE PERFECTIONN INDUST BOISParis 8e Arrondissement, Île-de-France
Number 302 986 864Est. 1900
AC
ASS CTRE ETUDES RESSOURC NATUREL CEGERNAParis 15e Arrondissement, Île-de-France
Number 305 897 019Est. 1900
GB
G B AParis 8e Arrondissement, Île-de-France
Number 682 025 200Est. 1900
CE
CENTRE ETUDES ECONOMIE DU BOISParis 8e Arrondissement, Île-de-France
Number 775 656 952Est. 1900
CO
C O G E R T EParis 2e Arrondissement, Île-de-France
Number 775 659 139Est. 1900
CR
CENT RECHERCHES SCIENCE ET VIEParis 8e Arrondissement, Île-de-France
Number 775 670 078Est. 1900

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.