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

OPENMASTER USER GROUP

ActiveSIREN number 418 748 844Registered associationEst. 199894.99 · Activities of other membership organisations n.e.c.Montigny-le-Bretonneux, Île-de-France
Official record (Annuaire des entreprises) ↗
Age28 years
older than 60% of its sector
Same activity, France745,094live companies · 300307th oldest
In Montigny-le-Bretonneux3,349live companies · 249 in the same activity
At this address32live companies incl. this one

In brief

OPENMASTER USER GROUP is a registered association registered in France on 27 April 1998. At 28 years old it is older than 60% of the 745,094 live companies whose main activity is activities of other membership organisations n.e.c.. Its registered office is in Montigny-le-Bretonneux, Yvelines, Île-de-France, at an address shared with 31 other live companies. 249 live companies in Montigny-le-Bretonneux share the same main activity.

Register details

Registered nameOPENMASTER USER GROUP
SIREN number418 748 844
Company typeRegistered association
Registered office14 Avenue Gustave Eiffel, 78180 Montigny-le-Bretonneux
Nature of business (NACE Rev. 2.1 (French NAF 2025))94.99 Activities of other membership organisations n.e.c.
International sector (ISIC Rev.4)S · 94 Activities of membership organisations

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated27 April 1998

Activities of other membership organisations n.e.c. in France

Live companies whose main activity is 94.99: 745,094 in total, median age 22 years, 15,324 incorporated in the past 12 months.

All 745,094 companies
This company's decadeOther decades
0100,000200,000300,000400,0000s: 40s10s: 110s20s: 120s1900s: 22,5281900s1910s: 2201910s1920s: 8421920s1930s: 9881930s1940s: 1,3821940s1950s: 3,9011950s1960s: 6,1881960s1970s: 21,0701970s1980s: 60,3001980s1990s: 202,8281990s2000s: 153,8582000s2010s: 174,4022010s2020s: 96,5812020s
Incorporated per year, still live
010,00020,00030,00040,0002011: 18,02920112012: 18,2462013: 18,02520132014: 19,5452015: 18,92120152016: 17,8432017: 16,27620172018: 15,3192019: 14,47020192020: 11,6192021: 12,97420212022: 14,1112023: 14,75120232024: 15,1062025: 16,43720252026: 11,583

Location

Registered office in Montigny-le-Bretonneux, Yvelines, Île-de-France.

Live companies in Montigny-le-Bretonneux3,349
Same activity in Montigny-le-Bretonneux249
Live companies in Yvelines151,787
New in Montigny-le-Bretonneux, past 12 months176

Also registered at this address

31 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
S
SOLFEGGIETTOAdainville, Île-de-France
Number 418 552 626Est. 1998
AM
AMIS MALADES CTRE HOSP INTER POISSYSaint-Germain-en-Laye, Île-de-France
Number 484 810 858Est. 1998
AS
ASSOCIATION SPORTS- SOLIDARITEVoisins-le-Bretonneux, Île-de-France
Number 500 559 802Est. 1998
ET
EGIS TRAIT D'UNIONGuyancourt, Île-de-France
Number 941 482 473Est. 1998
SC
SYND COPR DU 4 RUE DU MOUTONPoissy, Île-de-France
Number 420 815 763Est. 1998
TE
TRANSAXE EQUIPEMENTFollainville-Dennemont, Île-de-France
Number 488 473 158Est. 1998

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.