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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsWillisauEmil Peyer AG Bauunternehmung
Emil Peyer AG Bauunternehmung Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Emil Peyer AG Bauunternehmung is a construction company that executes building and civil engineering projects and acts as a general contractor for turnkey developments. Its services include residential and industrial construction, road and water engineering, façade and surfacing works, renovation and customer service, as well as project and construction management.

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Products & services

Industry:General ContractorsWholesale - Construction & Raw Materials
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4.4/5

Emil Peyer AG Bauunternehmung

✓ Offered6
Building construction / Industrial construction
Industrial, commercial and residential construction; single-family homes, residential buildings and entire housing estates.
Civil engineering / Water construction
Sewers, utility lines, bridges and water and road construction for public and private clients.
Pavement works
Developments, house forecourts and pavement repairs.
Renewal construction
Buildings and facilities in need of refurbishment, renewal works in existing structures.
Facade construction
External insulation, renovations and full services from scaffolding to painting; energy consulting for renovations.
After-sales service
Fast and uncomplicated support across all service areas.
Trust & reputation

ranQ Trust Score of Emil Peyer AG Bauunternehmung: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Emil Peyer AG Bauunternehmung scores 82.6 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.82.524%
  • 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.68.910%
  • 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.100.08%
Emil Peyer AG Bauunternehmung 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%
Emil Peyer AG Bauunternehmung 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%
Emil Peyer AG Bauunternehmung 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

Emil Peyer AG Bauunternehmung reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 14 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 14 reviews across all connected sources

Sources
GGoogle4.914
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rossgassmoos 1
6130 Willisau

At a glance

Legal form
Corporation
UID
CHE-107.282.774
Founded
1978 · 48 years
Last commercial register change
April 19, 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.85.03%
    • Full methodology

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