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

About the company

The core activity of A. Amgarten AG is the provision of services in the field of construction, particularly in building construction, renovation, scaffolding construction, as well as in specialized services such as core drilling and monobeton. This includes, among other things, new buildings, renovations, additions, demolition work, master builder services, and the erection of scaffolding.

AI-generated
Offering

Products & services

Industry:Building Construction
✓ Offered8
Building construction
Building construction services for single- and multi-family homes, public buildings, agricultural buildings and commercial premises; including small projects for public and private clients.
Renovation and conversion work
Conversion work including demolition, extensions and structural adaptations; reference projects show conversions of multi-family buildings and storey extensions for single-family homes.
Scaffolding work
Scaffolding work for construction projects, in particular in connection with storey extensions and other construction projects.
Core drilling
Core drilling and cutting through reinforced concrete, masonry or other building materials to create new openings in structures.
Monobeton surface treatment
Monobeton surface treatment for industrial floors and floors in basements, garages and underground car parks; either smoothed or, for outdoor areas, treated more coarsely.
Construction services for energy retrofits
Structural adaptations for energy retrofits and replacement of heating systems, including heat pump bases and demolition work for chimney systems.
Sewer rehabilitation and repairs
Investigations, repairs of damaged pipe sections, pipe diversions and construction of inspection manholes, inlet manholes and sludge collectors.
Surfacing work
Surfacing work in manual installation for road patches and additions in forecourts.
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4.1/5

Alfred Amgarten AG

Trust & reputation

ranQ Trust Score of Alfred Amgarten AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Alfred Amgarten AG scores 67.8 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.52.910%
  • 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.95.08%
Alfred Amgarten AG 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%
Alfred Amgarten 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%
Alfred Amgarten AG scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Alfred Amgarten 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 7 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 7 reviews across all connected sources

Sources
GGoogle4.37
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Chriesibaumweg 142
5463 Wislikofen

At a glance

Legal form
Corporation
UID
CHE-103.642.164
Founded
1986 · 40 years
Last commercial register change
October 17, 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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