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ET SI

ActiveSIREN number 493 133 060Limited liability company (SARL)Est. 200671.12 · Engineering activities and related technical consultancyMontreuil, Île-de-France
Official record (Annuaire des entreprises) ↗
Age19 years
older than 77% of its sector
Same activity, France64,131live companies · 15059th oldest
In Montreuil20,612live companies · 211 in the same activity
At this address7live companies incl. this one
Employees1–2as registered · 2024

In brief

ET SI is a limited liability company (SARL) registered in France on 24 November 2006. At 19 years old it is older than 77% of the 64,131 live companies whose main activity is engineering activities and related technical consultancy. Its registered office is in Montreuil, Seine-Saint-Denis, Île-de-France, at an address shared with 6 other live companies. 211 live companies in Montreuil share the same main activity.

Register details

Registered nameET SI
SIREN number493 133 060
Company typeLimited liability company (SARL)
Registered office8 Rue Jean-Jacques Rousseau, 93100 Montreuil
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.

Incorporated24 November 2006
Employees1–2 (2024)

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 Montreuil, Seine-Saint-Denis, Île-de-France.

Live companies in Montreuil20,612
Same activity in Montreuil211
Live companies in Seine-Saint-Denis188,160
New in Montreuil, past 12 months1,120

Also registered at this address

6 other live companies share this registered office.

Similar companies

Live companies with the same main activity, nearest first.

Compare all
J
J.U.R.Pantin, Île-de-France
Number 492 971 684Est. 2006
CP
CONCEPTUM PLUSLa Courneuve, Île-de-France
Number 500 828 157Est. 2006
A
AUDETECHRosny-sous-Bois, Île-de-France
Number 494 386 527Est. 2006
VV
VI@BE VOIRIE INFRASTRUCTURE AMENAGEMENT BUREAU D'ETUDEPantin, Île-de-France
Number 493 903 413Est. 2007
G
GLCSaint-Ouen-sur-Seine, Île-de-France
Number 492 331 608Est. 2006
ET
EURO TECH PLUSLivry-Gargan, Île-de-France
Number 492 109 301Est. 2006

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.