Data from the official company registers of 12 countries. Not an official register.

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BY

ActiveSIREN number 379 066 624Limited liability company (SARL)Est. 199071.11 · Architectural activitiesParis 11e Arrondissement, Île-de-France
Official record (Annuaire des entreprises) ↗
Age36 years
older than 96% of its sector
Same activity, France22,658live companies · 965th oldest
In Paris 11e Arrondissement53,742live companies · 553 in the same activity
At this address37live companies incl. this one

In brief

BY is a limited liability company (SARL) registered in France on 1 August 1990. At 36 years old it is older than 96% of the 22,658 live companies whose main activity is architectural activities. Its registered office is in Paris 11e Arrondissement, Paris, Île-de-France, at an address shared with 36 other live companies. 553 live companies in Paris 11e Arrondissement share the same main activity.

Register details

Registered nameBY
SIREN number379 066 624
Company typeLimited liability company (SARL)
Registered office21 Rue Du Grand Prieure, 75011 Paris
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.

Incorporated1 August 1990

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

Live companies in Paris 11e Arrondissement53,742
Same activity in Paris 11e Arrondissement553
Live companies in Paris907,999
New in Paris 11e Arrondissement, past 12 months2,483

Also registered at this address

36 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
CA
CSL ARCHITECTUREParis 17e Arrondissement, Île-de-France
Number 379 056 039Est. 1990
AC
ARNAUD CIMADEVILLA ARCHITECTUREParis 7e Arrondissement, Île-de-France
Number 379 526 924Est. 1990
A
ATBParis 18e Arrondissement, Île-de-France
Number 379 456 213Est. 1990
P
PASSAGEParis 19e Arrondissement, Île-de-France
Number 378 826 473Est. 1990
JR
JACQUES RIPAULT- ARCHITECTUREParis 3e Arrondissement, Île-de-France
Number 378 662 746Est. 1990
NA
NEX ARCHITECTESParis 8e Arrondissement, Île-de-France
Number 378 744 056Est. 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.