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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryCrafts & TradesBuilding installationMastrilsHOS geo-engineering GmbH
HOS geo-engineering GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

HOS geo-engineering GmbH plans and builds geothermal heating systems and provides geothermal and heat-pump solutions. Its services include drilling, measurements, heat-pump supply and assistance with troubleshooting.

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Service area

Offering

Products & services

Industry:Building installation
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4.0/5

HOS geo-engineering GmbH

✓ Offered
4
Planning and construction of ground-source heating systems
Planning and construction of ground-source heating systems from geology to the boiler room, including drilling, connecting pipes, heat pump and commissioning.
Measurements for geothermal systems
Thermal Response Test, temperature profile measurement, flow measurement, and backfill measurement for ground-source heating systems.
Supply of heat pumps
Supply of heat pumps as a specialist dealer for Thermia heat pumps.
Troubleshooting for ground-source and heat-pump systems
Support with troubleshooting when a system does not work as intended.
Trust & reputation

ranQ Trust Score of HOS geo-engineering GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 54% · As of November 2026

HOS geo-engineering GmbH has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
HOS geo-engineering GmbH scores 72.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.75.012%
  • 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%
HOS geo-engineering 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%
HOS geo-engineering GmbH scores 0.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

HOS geo-engineering GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Bergstrasse 35
7303 Mastrils

At a glance

Legal form
Limited Liability Company
UID
CHE-271.943.092
Founded
2019 · 7 years
Last commercial register change
June 12, 2019
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • GRLandquart
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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