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

About the company

The core activity of Konrad Hegner AG is civil engineering, particularly the execution of drilling, pipe bursting, house connections, conventional pipeline construction and crane work. The company also offers specialized services such as flushing drilling, bursting lining and trenchless district heating house connections.

AI-generated
Offering

Products & services

Industry:Civil Engineering
✓ Offered6
Flush drilling
Flush drilling with pilot boring, reaming and pipe pulling; trenchless undercrossings of railway lines, motorways, roads and streams with no major traffic disruptions.
Conventional pipeline construction
Conventional pipeline construction for various pipeline works with a correspondingly equipped fleet of machines.
House connections
House connections with trenchless pipe construction; drilling directly from the basement to the street for minimally disruptive undercrossings in different situations.
Pipe bursting
Pipe bursting for replacing old pipelines, cutting the old pipe, expanding it and pulling in the new pipe; suitable for fast and cost-effective pipe replacement work.
Construction tracks
Construction tracks for rent; construction tracks can be rented and moved directly with the truck crane.
Crane services
Crane services with a truck crane, including dispatch and use on construction sites as well as moving construction tracks.
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4.2/5

Konrad Hegner AG

Trust & reputation

ranQ Trust Score of Konrad Hegner AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Konrad Hegner AG scores 71.6 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.75.024%
  • 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.40.910%
  • 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.100.08%
Konrad Hegner 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%
Konrad Hegner 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%
Konrad Hegner AG scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Konrad Hegner AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 4 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 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Nordring 3
8854 Siebnen
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-108.104.968
Founded
1979 · 47 years
Last commercial register change
May 4, 2020
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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