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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitectNeuchâtelC5 Architectes SA
C5 Architectes SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

C5 Architectes SA is an architecture firm providing design and delivery for industrial, administrative, public and residential buildings, as well as interior projects and restorations. Services include architectural project management and site supervision, transformations and rehabilitation works, BIM services, building condition and energy-obsolescence diagnostics (EPIQR+), and technical/judicial expert reports.

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Service area

Offering

Products & services

Industry:Architect
✓ Offered8
Public and private mandates
Design and delivery of industrial, administrative, banking, school and medical buildings; single-family homes and rental properties/PPE; architectural direction, supervision and overall management of works.
Transformation, rehabilitation and renovation
Transformation, rehabilitation and renovation of buildings; restoration of historic buildings; reconfiguration of interior spaces; urban studies and district plans.
Project management
Interdisciplinary collaboration for the management of complex projects, with the role of project manager for groups of studies, architecture, engineering and urban planning.
BIM services
BIM services, building information modelling for design and project follow-up.
EPIQR+ diagnostics
Diagnostic of the state of deterioration and energy obsolescence of buildings according to the EPIQR+ method.
BAMO
BAMO client-assistance office services, with support for the client in steering the project.
Expertises and findings
Judicial and technical expertises and valuations by market value for all types of buildings, as well as evidence findings for future proceedings.
Surveying and digitalisation
Surveys of land and existing buildings, digitalisation of plans and preparation of PPE files.
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3.9/5

C5 Architectes SA

Trust & reputation

ranQ Trust Score of C5 Architectes SA: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of November 2026

C5 Architectes SA scores 52.3 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.53.524%
  • 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.35.310%
  • 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%
C5 Architectes SA scores 80.4 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%
C5 Architectes SA scores 86.7 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).86.722%
C5 Architectes SA scores 62.9 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 35.62.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

C5 Architectes SA reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 3.3 out of 5 stars from 3 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
3.3
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle3.33
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Avenue des Alpes 125
2000 Neuchâtel

At a glance

Legal form
Branch
UID
CHE-460.866.672
Founded
2010 · 16 years
Last commercial register change
February 6, 2026
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • NENeuchâtel
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.
76.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
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