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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringGrenchenHans Gurtner AG
Hans Gurtner AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Hans Gurtner AG is a construction company performing earthworks and road construction, including utility and sewer installation. Services include slope protection and retaining walls, paving and landscaping works, surface paving/resurfacing, and building conversions and renovations, with use of techniques such as cold recycling.

AI-generated
Offering

Products & services

Industry:Civil Engineering
✓ Offered5
Utility lines / sewerage / land servicing
Land servicing for building plots including utility lines and excavation work; general construction of utility lines for electricity, telephone/TV, water/sewerage as well as district heating/gas and emergency response.
Road surfacing
Road surfacing for road construction, focused on safe workmanship and minimal disruption to traffic.
Site works, stone paving and stone paving
Site works, composite stone paving areas, natural stone paving, natural stone walls, seating areas and topsoil works as part of redesigns.
Slope stabilisation and privacy walls
Slope stabilisation with wooden cribs or natural stone walls, as well as privacy walls made of natural stone.
Conversions, extensions, renovations and refurbishments
Conversion, renovation and refurbishment work including building-contractor excavation, sewerage, concrete and reinforced-concrete works, masonry and plastering works, as well as demolition and waterproofing.
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4.1/5

Hans Gurtner AG

Trust & reputation

ranQ Trust Score of Hans Gurtner AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Hans Gurtner AG scores 61.7 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.47.024%
  • 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.70.510%
  • 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.95.08%
Hans Gurtner AG scores 93.9 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%
Hans Gurtner 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%
Hans Gurtner AG scores 7.7 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 35.7.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hans Gurtner AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.7 out of 5 stars from 15 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
3.7
of 5

Aggregated from 15 reviews across all connected sources

Sources
GGoogle3.715
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Archmattenweg 30
2540 Grenchen
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.745.898
Founded
1972 · 54 years
Last commercial register change
February 3, 2026
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.85.03%
    • Full methodology

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