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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsLonayA Carré Architecture et aménagement SA
A Carré Architecture et aménagement SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company "A Carré Architecture et aménagement SA" is an architectural firm specializing in the planning, design and realization of construction projects. The company's core activity includes providing architectural and engineering services, including concept development, design and planning, project management and construction management. The company offers its services in various areas, including residential construction, public buildings, social buildings and interior design.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered5
Architecture
Architecture for residential, public and social projects, from design to execution, integrating conceptual, technical and project management aspects.
Interior fit-out
Interior fit-out for tailor-made spaces, aligned with functional requirements and the project context, with a focus on quality and durability.
Urban planning
Urban planning for projects that incorporate the context, function and site constraints, with a search for economical and sustainable solutions.
Project management
Project management for architectural projects, with coordination of stakeholders, monitoring of phases and methodological support in line with a SIA quality plan.
3D BIM modelling
3D BIM modelling of projects with a parametric digital model, collaboration between stakeholders and early detection of design and construction issues.
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4.0/5

A Carré Architecture et aménagement SA

Trust & reputation

ranQ Trust Score of A Carré Architecture et aménagement SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

A Carré Architecture et aménagement SA scores 60.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.52.424%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.73.510%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.70.08%
A Carré Architecture et aménagement SA scores 87.1 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
A Carré Architecture et aménagement SA scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
A Carré Architecture et aménagement SA scores 28.6 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

A Carré Architecture et aménagement SA reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 3.9 out of 5 stars from 17 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
3.9
of 5

Aggregated from 17 reviews across all connected sources

Sources
GGoogle3.917
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Chemin du Bief 8
1027 Lonay
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-116.291.714
Founded
2010 · 16 years
Last commercial register change
August 29, 2023
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.85.03%
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