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3CST

ActiveSIREN number 521 114 363Limited liability company (SARL)Est. 201071.11 · Architectural activitiesLyon 1er Arrondissement, Auvergne-Rhône-Alpes
Official record (Annuaire des entreprises) ↗
Age16 years
older than 65% of its sector
Same activity, France22,658live companies · 7966th oldest
In Lyon 1er Arrondissement8,797live companies · 71 in the same activity
At this address9live companies incl. this one

In brief

3CST is a limited liability company (SARL) registered in France on 17 February 2010. At 16 years old it is older than 65% of the 22,658 live companies whose main activity is architectural activities. Its registered office is in Lyon 1er Arrondissement, Rhône, Auvergne-Rhône-Alpes, at an address shared with 8 other live companies. 71 live companies in Lyon 1er Arrondissement share the same main activity.

Register details

Registered name3CST
SIREN number521 114 363
Company typeLimited liability company (SARL)
Registered office43 Quai Saint Vincent, 69001 Lyon
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.

Incorporated17 February 2010

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 Lyon 1er Arrondissement, Rhône, Auvergne-Rhône-Alpes.

Live companies in Lyon 1er Arrondissement8,797
Same activity in Lyon 1er Arrondissement71
Live companies in Rhône266,787
New in Lyon 1er Arrondissement, past 12 months341

Also registered at this address

8 other live companies share this registered office.

Similar companies

Live companies with the same main activity, nearest first.

Compare all
S9
STUDIO 99Lyon 1er Arrondissement, Auvergne-Rhône-Alpes
Number 520 437 229Est. 2010
RD
RENO DECO CONCEPTSaint-Priest, Auvergne-Rhône-Alpes
Number 520 214 487Est. 2010
HD
HUGUES DOYEN ARCHITECTELyon 6e Arrondissement, Auvergne-Rhône-Alpes
Number 520 406 547Est. 2010
XA
X'TO ARCHITECTESLyon 6e Arrondissement, Auvergne-Rhône-Alpes
Number 520 985 342Est. 2010
LA
LINK ARCHITECTES - CHAZALON - GLAIROUX - LAFONDLyon 1er Arrondissement, Auvergne-Rhône-Alpes
Number 521 023 283Est. 2010
SP
SAS PEBTVillefranche-sur-Saône, Auvergne-Rhône-Alpes
Number 522 299 619Est. 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.