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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSite PreparationAltstätten SgHeim Bohrtechnik AG
Heim Bohrtechnik AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of HEIM Bohrtechnik AG is the planning and execution of geothermal drilling and well drilling, particularly for the extraction of geothermal energy. The company offers consulting, planning and execution of drilling services to extract geothermal energy for buildings.

AI-generated
Offering

Products & services

Industry:Site Preparation
✓ Offered4
Ground-source heat borehole drilling
Boreholes for using ground heat in buildings, even under difficult geological conditions; hammer drilling in hard subsoil and fluid drilling in sandy or clayey soils.
Project engineering
Geological preliminary planning, obtaining permits, technical implementation and load calculation, thermal response test and long-term simulation of borehole fields.
Planning
Individual, project-specific consulting in close cooperation with planners and heating installers; a personal contact before, during and after the construction phase as well as the use of an extensive machine fleet.
Water well drilling
Boreholes for our own water supply, with heavy drilling equipment and special tools; boreholes with diameters up to 16.5 inches, or 419 mm.
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4.6/5

Heim Bohrtechnik AG

Trust & reputation

ranQ Trust Score of Heim Bohrtechnik AG: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Heim Bohrtechnik AG scores 96.1 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.93.224%
  • 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.100.010%
  • 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.100.08%
Heim Bohrtechnik AG scores 89.3 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%
Heim Bohrtechnik 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%
Heim Bohrtechnik AG scores 42.9 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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Heim Bohrtechnik AG reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.9 out of 5 stars from 158 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
4.9
of 5

Aggregated from 158 reviews across all connected sources

Sources
GGoogle4.9158
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Bafflesstrasse 15
9450 Altstätten Sg
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
Corporation
UID
CHE-112.855.196
Founded
2006 · 20 years
Last commercial register change
July 1, 2024
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.70.03%
    • Full methodology

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