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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesDällikonBohrfix Erdsonden AG
Bohrfix Erdsonden AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Bohrfix Erdsonden AG is earth probing and the use of heat pumps in the field of shallow geothermal energy. The company offers a comprehensive service for drilling and heat pump installation to enable a sustainable and independent heating solution.

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Products & services

Industry:Specialized Construction Activities
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4.2/5

Bohrfix Erdsonden AG

✓ Offered
2
Geothermal borehole drilling
Geothermal borehole drilling for tapping ground heat, including site assessment, drilling work up to 400 metres, pipe laying and connection to the heat pump.
Heat pumps
Heat pump solutions in conjunction with ground heat probes, in particular brine-to-water heat pumps; execution of the borehole, placement of the ground probe and professional connection to the heating system.
Trust & reputation

ranQ Trust Score of Bohrfix Erdsonden AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of October 2026

Bohrfix Erdsonden AG scores 81.6 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.69.524%
  • 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.95.08%
Bohrfix Erdsonden AG scores 74.1 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.64.612%
  • 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%
Bohrfix Erdsonden AG scores 86.7 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).86.722%
Bohrfix Erdsonden AG scores 31.2 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 35.25.74%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.36.74%
Qualifications+0.00

Bohrfix Erdsonden AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 88 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.4
of 5

Aggregated from 88 reviews across all connected sources

Sources
GGoogle4.488
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

July 9, 2026Media
«Wir kämpfen ums Überleben»: Bohrfirma-Chefs erheben Vorwürfe gegen Kanton und Branchenverband
aargauerzeitung.ch
April 25, 2026Media
Die Dundee AG übernimmt die Bohrfix Erdsonden AG
obwaldnerzeitung.ch

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Location

Industriestrasse 30
8108 Dällikon

At a glance

Legal form
Corporation
UID
CHE-283.238.497
Founded
2021 · 5 years
Last commercial register change
August 25, 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.70.03%
    • Full methodology

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