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RTT

ActiveSIREN number 379 319 841Civil companyEst. 199071.12 · Engineering activities and related technical consultancyParis 11e Arrondissement, Île-de-France
Official record (Annuaire des entreprises) ↗
Age36 years
older than 96% of its sector
Same activity, France64,131live companies · 2857th oldest
In Paris 11e Arrondissement53,742live companies · 370 in the same activity
At this address88live companies incl. this one

In brief

RTT is a civil company registered in France on 1 June 1990. At 36 years old it is older than 96% of the 64,131 live companies whose main activity is engineering activities and related technical consultancy. Its registered office is in Paris 11e Arrondissement, Paris, Île-de-France, at an address shared with 87 other live companies. 370 live companies in Paris 11e Arrondissement share the same main activity.

Register details

Registered nameRTT
SIREN number379 319 841
Company typeCivil company
Registered office63 Boulevard de Menilmontant, 75011 Paris
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 June 1990

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 Paris 11e Arrondissement, Paris, Île-de-France.

Live companies in Paris 11e Arrondissement53,742
Same activity in Paris 11e Arrondissement370
Live companies in Paris907,999
New in Paris 11e Arrondissement, past 12 months2,483

Also registered at this address

87 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
O
OZONEParis 13e Arrondissement, Île-de-France
Number 377 980 768Est. 1990
TE
TECHNIQUES ET MESURESParis 15e Arrondissement, Île-de-France
Number 378 521 421Est. 1990
SE
SOC ETUDE REALISAT AMENAGEMENT FONCIERParis 12e Arrondissement, Île-de-France
Number 378 458 095Est. 1990
SB
SOCIETE BELLES HEURESParis 15e Arrondissement, Île-de-France
Number 378 471 445Est. 1990
A
AXEVALParis 9e Arrondissement, Île-de-France
Number 378 170 344Est. 1990
D
DESLOGParis 9e Arrondissement, Île-de-France
Number 378 802 169Est. 1990

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.