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

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BTC CONCEPT

ActiveSIREN number 519 139 067Simplified joint-stock company (SAS)Est. 200971.11 · Architectural activitiesParis 1er Arrondissement, Île-de-France
Official record (Annuaire des entreprises) ↗
Age16 years
older than 66% of its sector
Same activity, France22,658live companies · 7799th oldest
In Paris 1er Arrondissement33,380live companies · 124 in the same activity
At this address196live companies incl. this one

In brief

BTC CONCEPT is a simplified joint-stock company (SAS) registered in France on 21 December 2009. At 16 years old it is older than 66% of the 22,658 live companies whose main activity is architectural activities. Its registered office is in Paris 1er Arrondissement, Paris, Île-de-France, at an address shared with 195 other live companies. 124 live companies in Paris 1er Arrondissement share the same main activity.

Register details

Registered nameBTC CONCEPT
SIREN number519 139 067
Company typeSimplified joint-stock company (SAS)
Registered office5 Rue de Castiglione, 75001 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.

Incorporated21 December 2009

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 1er Arrondissement, Paris, Île-de-France.

Live companies in Paris 1er Arrondissement33,380
Same activity in Paris 1er Arrondissement124
Live companies in Paris907,999
New in Paris 1er Arrondissement, past 12 months2,300

Also registered at this address

195 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
NL
NO. LIMIT ARCHITECTESParis 11e Arrondissement, Île-de-France
Number 519 704 050Est. 2009
FA
FELD ARCHITECTUREParis 7e Arrondissement, Île-de-France
Number 519 753 321Est. 2009
BS
BELLASTOCK SCICParis 19e Arrondissement, Île-de-France
Number 522 806 934Est. 2009
AP
ALEXANDER PHUNG ARCHITECTEParis 20e Arrondissement, Île-de-France
Number 518 649 694Est. 2010
J
JPAParis 6e Arrondissement, Île-de-France
Number 519 405 427Est. 2010
BA
BURNOD ARCHITECTEParis 12e Arrondissement, Île-de-France
Number 519 658 207Est. 2010

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.