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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringGrabserbergUeli Zogg Tiefbau AG
Ueli Zogg Tiefbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Ueli Zogg Tiefbau AG is the execution of civil engineering works, particularly in challenging terrain. This includes pipeline construction, excavation work, civil engineering, winter maintenance, building renovations, environmental work, stream engineering, natural stone walls and spring catchments.

AI-generated
Offering

Products & services

Industry:Civil Engineering
✓ Offered7
Civil engineering
Civil engineering works such as pipeline construction, soil drilling, natural stone walls and excavation; specialised in work on steep and difficult terrain.
Road construction
Road construction as part of the services offered; listed as a separate area of services on the website.
Building construction
Building construction as a complementary construction service; listed as a separate area on the services page.
Site works
Site works around building and property areas; listed on the website as a service.
Spring water intakes
Spring water intakes as specialised construction and water intake works; listed separately on the services page.
Skip service
Skip service for transport and disposal of material; offered as a separate service on the website.
Winter service
Winter service for snow and anti-ice treatment; listed as an offering on the services page.
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3.9/5

Ueli Zogg Tiefbau AG

Trust & reputation

ranQ Trust Score of Ueli Zogg Tiefbau AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Ueli Zogg Tiefbau AG scores 49.8 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.68.224%
  • 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.17.610%
  • 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.35.08%
Ueli Zogg Tiefbau AG scores 89.3 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.70.07%
Ueli Zogg Tiefbau 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%
Ueli Zogg Tiefbau AG scores 13.1 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 35.13.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ueli Zogg Tiefbau AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Unterwis 4207
9472 Grabserberg
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.435.931
Founded
1992 · 34 years
Last commercial register change
December 24, 2020
Employees
11 to 20
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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