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EXTENSION

ActiveSIREN number 419 297 171Civil companyEst. 199868.12 · Development of building projectsVilletaneuse, Île-de-France
Official record (Annuaire des entreprises) ↗
Age28 years
older than 86% of its sector
Same activity, France31,665live companies · 4557th oldest
In Villetaneuse1,146live companies · 3 in the same activity
At this address2live companies incl. this one

In brief

EXTENSION is a civil company registered in France on 1 June 1998. At 28 years old it is older than 86% of the 31,665 live companies whose main activity is development of building projects. Its registered office is in Villetaneuse, Seine-Saint-Denis, Île-de-France, at an address shared with one other live company. 3 live companies in Villetaneuse share the same main activity.

Register details

Registered nameEXTENSION
SIREN number419 297 171
Company typeCivil company
Registered office18 Rue Maurice Paillard, 93430 Villetaneuse
Nature of business (NACE Rev. 2.1 (French NAF 2025))68.12 Development of building projects
International sector (ISIC Rev.4)F · 42 Civil engineering

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated1 June 1998

Development of building projects in France

Live companies whose main activity is 68.12: 31,665 in total, median age 9 years, 1,443 incorporated in the past 12 months.

All 31,665 companies
This company's decadeOther decades
05,00010,00015,00020,0001900s: 70701900s1920s: 221920s1950s: 1401401950s1960s: 1501501960s1970s: 3903901970s1980s: 1,8101,8101980s1990s: 2,4262,4261990s2000s: 5,9795,9792000s2010s: 8,0398,0392010s2020s: 12,65912,6592020s
Incorporated per year, still live
01,0002,0003,0004,0002011: 67320112012: 6112013: 60020132014: 5262015: 64120152016: 9282017: 1,00720172018: 1,0842019: 1,37520192020: 1,5902021: 1,86820212022: 1,9142023: 2,51320232024: 1,9172025: 1,78920252026: 1,0662027: 22027

Location

Registered office in Villetaneuse, Seine-Saint-Denis, Île-de-France.

Live companies in Villetaneuse1,146
Same activity in Villetaneuse3
Live companies in Seine-Saint-Denis188,160
New in Villetaneuse, past 12 months71

Also registered at this address

1 other live company shares this registered office.

Similar companies

Live companies with the same main activity, nearest first.

Compare all
O
OLIVIERRomainville, Île-de-France
Number 419 220 025Est. 1998
JP
JS PROMOTIONPantin, Île-de-France
Number 422 701 367Est. 1999
NR
NEXITY REGIONS 2Saint-Ouen-sur-Seine, Île-de-France
Number 423 559 459Est. 1999
NR
NEXITY REGIONS ISaint-Ouen-sur-Seine, Île-de-France
Number 423 559 582Est. 1999
GV
GEORGE V REGIONSSaint-Ouen-sur-Seine, Île-de-France
Number 423 559 673Est. 1999
H
HAVIMMontreuil, Île-de-France
Number 409 800 331Est. 1997

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.