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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionWalchwilPeter Rust & Co. AG
Peter Rust & Co. AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Peter Rust & Co. AG is a construction company that delivers building and civil engineering projects. The company also performs demolition and dismantling work, conversions, renovations and refurbishments, and provides transport services as well as real estate services. Clients include private builders, public authorities and architectural firms.

AI-generated
Offering

Products & services

Industry:Building Construction
✓ Offered4
Building construction
Construction of new homes, commercial buildings and public facilities for private clients, the public sector and architectural offices.
Civil engineering
Excavation of building pits, underground projects and demolition of existing buildings with individual solutions and tailor-made service.
Alterations & renovations
Conversion and extensions, renovations, refurbishments, special work and redesign of existing buildings and rooms according to individual preferences.
Transport services
Waste disposal, skip service, crane work up to 21 m, gravel transports, material transport and use of the rapid-assembly crane Igo MA21.
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4.1/5

Peter Rust & Co. AG

Trust & reputation

ranQ Trust Score of Peter Rust & Co. AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Peter Rust & Co. AG scores 63.8 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.65.024%
  • 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.49.510%
  • 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.78.08%
Peter Rust & Co. AG scores 92.3 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.82.07%
Peter Rust & Co. AG 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%
Peter Rust & Co. AG scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Peter Rust & Co. AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 6 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
4.3
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.36
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Secure profile

Location

Wihelstrasse 20
6318 Walchwil

At a glance

Legal form
Corporation
UID
CHE-103.069.193
Founded
1966 · 60 years
Last commercial register change
April 17, 2014
Employees
21 to 50
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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