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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsFullyCPJ Pierre-Joe CARRON ARCHITECTURE SA
CPJ Pierre-Joe CARRON ARCHITECTURE SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of CPJ Architecture SA is the planning, realization and supervision of construction projects, including architecture, interior design, 3D planning and construction execution. The company offers comprehensive services, from project idea to handover, with a particular focus on budget compliance and project quality.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered5
Architectural design
Preliminary sketches, preliminary project, submission for review/public inquiry, execution drawings and details for construction projects, with support, advice and development of architectural solutions.
Construction site supervision
Cost management, adherence to the schedule and quality control of the construction during the site work, with close collaboration with the various stakeholders.
Property valuation
Preparation of real-estate analysis reports and estimation of a property's value using qualitative and quantitative criteria, using intrinsic, income, sales-value, comparative and market methods.
Construction project delivery
Delivery of construction projects from project idea to the handover of keys, including execution of the works and coordination of the process stages.
Real-estate development
Development and sale of residential developments, in particular the premium apartments presented in the «Promotions» section.
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4.3/5

CPJ Pierre-Joe CARRON ARCHITECTURE SA

Trust & reputation

ranQ Trust Score of CPJ Pierre-Joe CARRON ARCHITECTURE SA: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

CPJ Pierre-Joe CARRON ARCHITECTURE SA scores 81.9 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.82.024%
  • 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.67.110%
  • 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.100.08%
CPJ Pierre-Joe CARRON ARCHITECTURE SA scores 85.5 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%
CPJ Pierre-Joe CARRON ARCHITECTURE SA scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
CPJ Pierre-Joe CARRON ARCHITECTURE SA scores 10.6 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 35.10.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

CPJ Pierre-Joe CARRON ARCHITECTURE SA reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 13 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
4.9
of 5

Aggregated from 13 reviews across all connected sources

Sources
GGoogle4.913
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Route de la Gare 8b
1926 Fully
Opening hours
Mon
07:30 - 12:00, 13:15 - 17:15
Tue
07:30 - 12:00, 13:15 - 17:15
Wed
07:30 - 12:00, 13:15 - 17:15
Thu
07:30 - 12:00, 13:15 - 17:15
Fri
07:30 - 12:00, 13:15 - 17:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-111.722.440
Founded
2004 · 22 years
Last commercial register change
August 25, 2026
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.70.03%
    • Full methodology

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