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STEPHANIE LEFEBVRE ARCHITECTE

ActiveSIREN number 893 726 570Simplified joint-stock company (SAS)Est. 202071.11 · Architectural activitiesMontesson, Île-de-France
Official record (Annuaire des entreprises) ↗
Age5 years
older than 27% of its sector
Same activity, France22,658live companies · 16649th oldest
In Montesson1,599live companies · 3 in the same activity
At this address1only this company
Employees1–2as registered · 2024

In brief

STEPHANIE LEFEBVRE ARCHITECTE is a simplified joint-stock company (SAS) registered in France on 15 December 2020. It is 5 years old; 73% of the 22,658 live companies whose main activity is architectural activities are older. Its registered office is in Montesson, Yvelines, Île-de-France. 3 live companies in Montesson share the same main activity.

Register details

Registered nameSTEPHANIE LEFEBVRE ARCHITECTE
SIREN number893 726 570
Company typeSimplified joint-stock company (SAS)
Registered office20 Rue Maurice Berteaux, 78360 Montesson
Nature of business (NACE Rev. 2.1 (French NAF 2025))71.11 Architectural activities
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.

Incorporated15 December 2020
Employees1–2 (2024)

Architectural activities in France

Live companies whose main activity is 71.11: 22,658 in total, median age 11 years, 833 incorporated in the past 12 months.

All 22,658 companies
This company's decadeOther decades
02,5005,0007,50010,0001900s: 51511900s1910s: 111910s1950s: 111950s1960s: 11111960s1970s: 1071071970s1980s: 6816811980s1990s: 1,8601,8601990s2000s: 5,0905,0902000s2010s: 7,8717,8712010s2020s: 6,9856,9852020s
Incorporated per year, still live
05001,0001,5002,0002011: 71520112012: 6312013: 66720132014: 7142015: 76620152016: 8572017: 1,01120172018: 8892019: 97520192020: 9992021: 1,01920212022: 1,0822023: 99720232024: 1,1112025: 1,08620252026: 691

Location

Registered office in Montesson, Yvelines, Île-de-France.

Live companies in Montesson1,599
Same activity in Montesson3
Live companies in Yvelines151,787
New in Montesson, past 12 months82

Similar companies

Live companies with the same main activity, nearest first.

Compare all
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JM JUSTINE INTERNATIONALÉpône, Île-de-France
Number 893 423 400Est. 2021
A
ARCHITEKTUSMarly-le-Roi, Île-de-France
Number 892 722 059Est. 2021
I
INEZOLe Pecq, Île-de-France
Number 891 278 210Est. 2020
AC
A4 CONCEPT CONSTRUCTIONVersailles, Île-de-France
Number 893 392 043Est. 2021
AA
ATIA ARCHITECTUREGuyancourt, Île-de-France
Number 893 358 754Est. 2021
ED
EK DESIGNGuyancourt, Île-de-France
Number 893 985 556Est. 2021

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.