French company record · SIREN 849437892
ACST
ACST, 5499: Activités d'architecture in 85300 CHALLANS. Incorporated on 2025-11-19. Published officer: SERY TRAINEAU (TRAINEAU). 7 legal notices. SIREN 849437892.
Active companyActivités d'architecture et d'ingénierie ; contrôle et analyses techniques · 85 Vendée
Identity and activity
- SIREN
- 849437892
- Name
- ACST
- Legal form
- 5499
- Activity code (NAF)
- 71.11Z
- Activity
- Activités d'architecture
- Incorporation
- 2025-11-19
- Headcount
- 1-2
- VAT
- VAT number not supplied or not verified
Registered office
- Address
- 6 RUE DE NANTES
- Postcode
- 85300
- Town
- CHALLANS
- Region
- 85
Public contact details
- Website
- http://www.acst-architecture.com/
- Phone
- +33624503521
Professional contact details
- Professional phone
- +33255596000 Not verified · 80 %
- Professional phone
- +33624503521 Not verified · 80 %
Company social media
Certifications, labels and registrations
Official evidence index31 out of 1003 verified official proofs
How is this index calculated?
This index only counts the verifiable official proofs shown above (current “Verified in registry” badges). It is neither a creditworthiness or financial risk rating nor an opinion on the company or its services. No negative information is used; badges declared by the company do not count.
Fixed scale
- Points per badge by category : Certifications 20, Licences 15, Labels 12, Public procurement 10, Registrations 6
- Seniority (published start date): ≥ 5 years +6, ≥ 2 years +4, ≥ 1 year +2
- Published end date more than 30 days away: +3 (30 days or less: no bonus, no penalty)
- Cap per category : Certifications 45, Licences 35, Labels 30, Public procurement 15, Registrations 15
- Total capped at 100
Breakdown for this company
- RGE Tableau de l´Ordre : 12 (base) + 4 (seniority) + 3 (validity) = 19
- Collective agreement registered : 6 (base) = 6
- Valid intra-EU VAT number : 6 (base) = 6
Labels and qualifications
Official registrations
Positive or neutral information only, linked to its source. Updated 30 October 2026. Spotted an error? contact@propecto.eu
Sourced calculated analyses
- Website technology
- Site web sous wordpress
Social profiles found in open data
Profiles published by open datasets and attached to this company by its registration number. They complement official accounts without replacing them, and are not verified by Propecto.
Published officers
- Gérant
- ANNE-CLAIRE ODILE MARTHE SERY TRAINEAU (TRAINEAU)
Published financial position
No filed accounts have been published.
Sector benchmark
No sector benchmark is published for this company.
Legal
Legal proceedings and notices: 7 notices
Competent labour court (conseil de prud'hommes): Conseil de prud'hommes des Sables d'Olonne, Les Sables d'Olonne
In principle, for employees working at the CHALLANS establishment (head office) — article R1412-1 of the French Labour Code.
Legal notices, insolvency proceedings, declared lobbying and court decisions: for Propecto subscribers.
Voir les offresDetailed analyses
The interactive connections map, the 360° analysis, the market data, the official documents and the claim form are available on the French version of this record.
Other companies in CHALLANS
Same activity, same town: Activités d'architecture et d'ingénierie ; contrôle et analyses techniques in CHALLANS.
All companies in the sector: Activités d'architecture et d'ingénierie ; contrôle et analyses techniques. All companies in the department: 85 Vendée.