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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureExcavationNiedergösgenIRH BAU GmbH
IRH BAU GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

IRH BAU GmbH carries out utility construction and trenchless pipeline work. Its services include cable laying and pulling, splicing and installation, core drilling, paving, landscaping and surface works.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Excavation
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3.9/5

IRH BAU GmbH

Utility line construction
Utility line construction for gas, water, power and communication, including planning, civil engineering, excavation and dismantling, surfacing, bricklayer and master builder work, as well as commissioning and maintenance.
Trenchless utility line construction
Trenchless utility line construction for cables and pipes, controlled horizontal directional drilling, service connections, soil ramming and directional pipe pressing, including planning, execution, commissioning and maintenance.
Cable laying and cable pulling
Cable laying and cable pulling for energy and communication networks in ducts, on cable trays, in tunnels and caverns, manually or mechanically using special vehicles.
Splicing and installation work
Splicing and installation work for fibre-optic and copper cables, including laying, splicing, mounting, configuration, integration, maintenance and fault rectification.
Core drilling work
Core drilling work for supply lines and pipeline construction, drilling diameters from 40 to 400 mm, as well as sealing the entry points after conduit runs and cable pulling.
Paving work
Install and reposition paving stones and edging, especially in connection with cable and pipeline construction as well as other master builder work.
Surfacing works
Surfacing works in connection with cables and lines, including demolition, surfacing, bricklayer and master builder work, as well as reinstatement work.
Site surroundings works
Site surroundings works in the area of cable and pipeline construction, as supplementary master builder and reinstatement work around construction sites and line projects.
Trust & reputation

ranQ Trust Score of IRH BAU GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of November 2026

IRH BAU GmbH scores 61.2 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.60.724%
  • 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.88.08%
IRH BAU GmbH scores 73.9 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.70.212%
  • 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%
IRH BAU GmbH scores 86.7 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).86.722%
IRH BAU GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

IRH BAU GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle44
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Oltnerstrasse 63
5013 Niedergösgen
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-195.200.489
Founded
2020 · 6 years
Last commercial register change
May 20, 2020
Employees
11 to 20

Active in 1 of 26 cantons

  • SOSolothurn
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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