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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,837 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringSchangnauH.J. Bieri Leitungsbau GmbH
H.J. Bieri Leitungsbau GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is trenchless pipeline construction, in particular the laying of pipelines using special techniques such as ploughing, flushing drilling and pressing, as well as the associated services such as planning, consulting, locating and testing of pipelines.

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Offering

Products & services

Industry:Civil EngineeringSite Preparation
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3.9/5

H.J. Bieri Leitungsbau GmbH

✓ Offered8
Trenchless pipeline construction
Trenchless pipeline construction for pipeline projects, pipework and connections from point A to point B; with consulting, machinery fleet and selection of suitable trenchless pipe-installation methods.
Sewer systems
Sewer systems as part of pipeline construction projects; installation of the necessary lines for drainage and infrastructure, including as part of larger construction projects.
Water supply
Water supply for infrastructure projects, including pipelines and water reservoirs for reliable supply in the region.
GPS surveys
GPS surveys for surveying and documenting pipelines and construction projects.
Locating pipelines
Locating pipelines using locating technology to precisely identify existing lines and plan construction work safely.
Planning and consulting
Planning and consulting for construction projects in pipeline construction, including support in selecting the appropriate trenchless pipe-installation method.
Core drilling
Core drilling as a supplementary construction service in the context of pipeline construction and infrastructure works.
CCTV sewer inspections
CCTV sewer inspections for testing and inspection of pipelines and sewer systems.
Trust & reputation

ranQ Trust Score of H.J. Bieri Leitungsbau GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

H.J. Bieri Leitungsbau GmbH scores 52.7 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.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.50.08%
H.J. Bieri Leitungsbau 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%
H.J. Bieri Leitungsbau GmbH 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%
H.J. Bieri Leitungsbau GmbH scores 34.3 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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

H.J. Bieri Leitungsbau GmbH 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.

Knowledge

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Location

Neumatt
6197 Schangnau
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-112.899.199
Founded
2006 · 20 years
Last commercial register change
November 17, 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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