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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsCarouge GeArn, Wüthrich et Frigerio SA
Arn, Wüthrich et Frigerio SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of ARN, WUTHRICH & FRIGERIO SA is the execution of rough construction and masonry work for new buildings and extensive renovations, as well as in the field of exposed concrete.

AI-generated
Offering

Products & services

Industry:General Contractors
✓ Offered7
Structural works
Structural works, demolition, earthworks and reinforced concrete for new builds, rehabilitations and major renovations of residential, administrative and industrial buildings.
Masonry
Masonry for apartment buildings, villas, large houses, schools and administrative or industrial buildings, as part of new builds and major renovations.
Car park construction and earthworks
Construction of car parks and earthworks for construction projects, integrated into structural works and reinforced concrete services.
Major renovation
Major renovation of existing buildings, including large-scale rehabilitation and interventions on historical or complex structures.
New construction
New construction of residential, administrative and industrial buildings, schools, villas and collective housing or PPE.
Façade restoration
Façade restoration with treatment of concrete carbonation, finish renders coloured throughout, traditional lime-based render, perimeter insulation and finishing paint.
Exposed concrete
Exposed concrete for construction and renovation projects, highlighting the material in various structures.
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4.0/5

Arn, Wüthrich et Frigerio SA

Trust & reputation

ranQ Trust Score of Arn, Wüthrich et Frigerio SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Arn, Wüthrich et Frigerio SA scores 59.3 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.60.724%
  • 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.40.910%
  • 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.78.08%
Arn, Wüthrich et Frigerio 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%
Arn, Wüthrich et Frigerio 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%
Arn, Wüthrich et Frigerio SA scores 4.3 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 35.4.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Arn, Wüthrich et Frigerio SA reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 4 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
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle44
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Rue du Tunnel 15-17
1227 Carouge Ge
Opening hours
Mon
08:00 - 12:00, 13:30 - 18:00
Tue
08:00 - 12:00, 13:30 - 18:00
Wed
08:00 - 12:00, 13:30 - 18:00
Thu
08:00 - 12:00, 13:30 - 18:00
Fri
08:00 - 12:00, 13:30 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.817.552
Founded
1972 · 54 years
Last commercial register change
March 13, 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.
100.0
6%
  • 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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