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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringSaxGebr. Tinner GmbH
Gebr. Tinner GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Gebr. Tinner GmbH is construction, including planning, execution and completion of construction projects, as well as specialized services such as trenchless pipeline construction, environmental work, demolition, renaturalization, spring capture, hydraulic engineering and winter maintenance.

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Products & services

Industry:Civil Engineering
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4.0/5

Gebr. Tinner GmbH

10
Civil engineering
Road construction, excavation for building pits and pipework; shoring, retaining structures, foundations, and utility and sewer construction.
Building construction
Single-family and multi-family houses, plus commercial and agricultural buildings, including extensions and other building construction projects.
Trenchless pipeline installation
Trenchless installation of water, wastewater pressure, irrigation and power-protection lines, plus signal cables in fields, farm tracks and sloping terrain.
Exterior works
Natural stone and interlocking paver areas, stone walls, ponds and forecourts, plus other works around houses and outdoor surroundings.
Demolition and dismantling
Demolition of old buildings and structures, with proper disposal or recycling of demolition material.
Water engineering
Construction and maintenance measures on standing and flowing waters, including work in and around waterways.
Renaturation
Renaturation of river and stream courses so constrained waterways can flow freely again.
Spring capture works
Spring capture works for sustainable water supply, drawing on water engineering expertise and municipal assignments.
Renovation and conversion
Renovation and conversion of living and working spaces, precisely executed for outdated or no longer suitable rooms.
Winter maintenance
Snow clearing, snow removal and spreading of de-icing salt for private areas, commercial sites and industrial areas.
Trust & reputation

ranQ Trust Score of Gebr. Tinner GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Gebr. Tinner GmbH scores 57.6 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.67.124%
  • 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.35.08%
Gebr. Tinner GmbH scores 86.7 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%
Gebr. Tinner GmbH 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%
Gebr. Tinner GmbH scores 9.7 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 35.9.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gebr. Tinner GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 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
4.4
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.47
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Brüel 1
9468 Sax
Opening hours
Mon
07:00 - 12:00, 13:15 - 17:30
Tue
07:00 - 12:00, 13:15 - 17:30
Wed
07:00 - 12:00, 13:15 - 17:30
Thu
07:00 - 12:00, 13:15 - 17:30
Fri
07:00 - 12:00, 13:15 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-108.464.504
Founded
1996 · 30 years
Last commercial register change
November 28, 2025
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.
88.0
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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