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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringOltenSTA Strassen- und Tiefbau AG
STA Strassen- und Tiefbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of STA Strassen- und Tiefbau AG is road and civil engineering, including general road and civil engineering works, concrete, demolition and sewerage works.

AI-generated
Offering

Products & services

Industry:Civil Engineering
✓ Offered3
Road construction
Road construction, road alignment works and pavement installation; pavement rehabilitations, pavement reconditioning, paving, granite work, kerb and edge restraints, drainage and noise barriers for new-build and refurbishment projects.
Civil engineering
Excavation work, trench and pipeline construction, corrections of watercourses, river bank reinforcement, foundation work, terrain modelling, sewer construction, sewerage systems, slope stabilisation and renaturation work.
Client masonry
Client masonry work for smaller masonry jobs, repairs and structural adjustments in the client's area.
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4.1/5

STA Strassen- und Tiefbau AG

Trust & reputation

ranQ Trust Score of STA Strassen- und Tiefbau AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

STA Strassen- und Tiefbau AG scores 59.3 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.55.024%
  • 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.61.010%
  • 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.70.08%
STA Strassen- und Tiefbau AG scores 90.9 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.70.07%
STA Strassen- und 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.
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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%
STA Strassen- und Tiefbau AG scores 31.4 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 35.31.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

STA Strassen- und Tiefbau AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.9 out of 5 stars from 10 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
3.9
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle3.910
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Belchenstrasse 3
4600 Olten

At a glance

Legal form
Corporation
UID
CHE-105.774.351
Founded
1965 · 61 years
Last commercial register change
April 30, 2026
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.85.03%
    • Full methodology

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