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ACST

ActiveSIREN number 849 437 892Limited liability company (SARL)Est. 201971.11 · Architectural activitiesChallans, Pays de la Loire
Official record (Annuaire des entreprises) ↗
Age7 years
older than 34% of its sector
Same activity, France22,658live companies · 15000th oldest
In Challans2,501live companies · 16 in the same activity
At this address3live companies incl. this one
Employees1–2as registered · 2024

In brief

ACST is a limited liability company (SARL) registered in France on 22 March 2019. It is 7 years old; 66% of the 22,658 live companies whose main activity is architectural activities are older. Its registered office is in Challans, Vendée, Pays de la Loire, at an address shared with 2 other live companies. 16 live companies in Challans share the same main activity.

Register details

Registered nameACST
SIREN number849 437 892
Company typeLimited liability company (SARL)
Registered office6 Rue de Nantes, 85300 Challans
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.

Incorporated22 March 2019
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 Challans, Vendée, Pays de la Loire.

Live companies in Challans2,501
Same activity in Challans16
Live companies in Vendée65,286
New in Challans, past 12 months119

Also registered at this address

2 other live companies share this registered office.

Similar companies

Live companies with the same main activity, nearest first.

Compare all
BP
BAZIN PIERRE ARCHITECTEBournezeau, Pays de la Loire
Number 849 562 210Est. 2019
AD
ATELIER DU LARGE ARCHITECTURELes Sables-d'Olonne, Pays de la Loire
Number 850 063 173Est. 2019
AF
ATELIER FRUITS ARCHITECTURELa Roche-sur-Yon, Pays de la Loire
Number 848 529 186Est. 2019
H
HDPSaint-Mathurin, Pays de la Loire
Number 851 503 037Est. 2019
SA
SELAS ARTREALIS ARCHITECTURELes Sables-d'Olonne, Pays de la Loire
Number 852 539 022Est. 2019
HD
HISTOIRE DE JARDINSSaint-Denis-la-Chevasse, Pays de la Loire
Number 843 959 115Est. 2018

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.