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

ERFI

ActiveSIREN number 478 376 239Limited liability company (SARL)Est. 200471.12 · Engineering activities and related technical consultancyMontesson, Île-de-France
Official record (Annuaire des entreprises) ↗
Age22 years
older than 81% of its sector
Same activity, France64,131live companies · 11890th oldest
In Montesson1,599live companies · 20 in the same activity
At this address145live companies incl. this one

In brief

ERFI is a limited liability company (SARL) registered in France on 1 August 2004. At 22 years old it is older than 81% of the 64,131 live companies whose main activity is engineering activities and related technical consultancy. Its registered office is in Montesson, Yvelines, Île-de-France, at an address shared with 144 other live companies. 20 live companies in Montesson share the same main activity.

Register details

Registered nameERFI
SIREN number478 376 239
Company typeLimited liability company (SARL)
Registered office5 Rue Du Chant Des Oiseaux, 78360 Montesson
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 August 2004

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 Montesson, Yvelines, Île-de-France.

Live companies in Montesson1,599
Same activity in Montesson20
Live companies in Yvelines151,787
New in Montesson, past 12 months82

Also registered at this address

144 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
A
ASECAMMaisons-Laffitte, Île-de-France
Number 478 272 321Est. 2004
SI
SERVICES INFORMATIQUE 78Élancourt, Île-de-France
Number 478 007 222Est. 2004
B
BRA-MOTIONPlaisir, Île-de-France
Number 454 019 183Est. 2004
BT
BATI TECHNIQUELes Mureaux, Île-de-France
Number 477 932 842Est. 2004
U
UNISOLBuc, Île-de-France
Number 478 040 561Est. 2004
N
NOVARSYSMontesson, Île-de-France
Number 478 621 550Est. 2004

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.