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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringBaselGeotechnisches Institut AG Basel
Geotechnisches Institut AG Basel Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Geotechnisches Institut AG Basel is an engineering, geology and environmental firm providing geotechnical investigations and consulting, including soil and foundation investigations, excavation support, settlement and foundation analyses, tunnel construction support and measurement technology. Other areas include geothermal planning and modelling, natural hazard and groundwater assessments, contaminated sites/waste and building pollutant services, with project support from design through implementation.

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Products & services

Industry:Technical Consulting & Engineering
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Geotechnisches Institut AG Basel

✓ Offered9
Geology & Geotechnics
Geological and geotechnical assessments for clients and designers: ground investigations, excavation support, foundations and settlement, tunnelling, instrumentation, slope and embankment stability.
Geothermal energy
Planning and modelling, as well as support for geothermal projects; use with ground heat probes and via groundwater for heating and cooling.
Natural hazards
Assessments of hazard and risk, measures planning and monitoring of protective structures for rockfall, landslides and debris flows.
Groundwater
Use and protection of groundwater, infiltration and sponge-city concepts, construction with groundwater; assessments of dewatering and groundwater impact.
Contaminated sites, waste, soil
Assessments of contaminated sites, waste and soil: contamination in the subsurface, remediation, recovery or disposal of excavated material.
Building contaminant diagnostics
Clarification of possible contaminants in buildings before conversion or demolition, during use, or ahead of a change of ownership.
Building contaminant remediation
Specialist construction management and support for remediation work from tendering through to release, in accordance with applicable guidelines.
Indoor air quality measurements
Measurements in cases of suspected contaminant exposure in indoor air or for monitoring after remediation, including for asbestos, PCBs, PAHs and VOCs.
Radon measurements
Certified long-term measurements to determine radon levels in residential and workplace areas.
Trust & reputation

ranQ Trust Score of Geotechnisches Institut AG Basel: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Geotechnisches Institut AG Basel 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%
Geotechnisches Institut AG Basel scores 92.3 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.82.07%
Geotechnisches Institut AG Basel scores 83.3 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).83.322%
Geotechnisches Institut AG Basel scores 97.1 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 35.97.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Geotechnisches Institut AG Basel reaches a ranQ Trust Score of 4.1 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 October 2026.

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

Knowledge

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Location

Pfeffingerstrasse 41
4053 Basel

At a glance

Legal form
Corporation
UID
CHE-115.169.795
Founded
2009 · 17 years
Last commercial register change
February 20, 2026
Employees
21 to 50
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.100.06%
  • 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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