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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringBaselGeologiebüro Ryser und Partner AG
Geologiebüro Ryser und Partner AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Geologiebüro Ryser und Partner AG is consulting and services in the field of geology, particularly in the areas of: contaminated sites and waste, foundation soil and geotechnics, building pollutants, geothermal energy, groundwater use and protection. The company provides expert knowledge and services for construction projects to ensure that the geological conditions of the property are taken into account and that the construction projects are carried out in an environmentally friendly and safe manner.

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Products & services

Industry:Technical Consulting & Engineering
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4.0/5

Geologiebüro Ryser und Partner AG

✓ Offered4
Soil / Geotechnics
Ground forecasts, ground investigations, dimensioning of excavation support structures, organisation and supervision of investigations, boreholes and geological construction monitoring.
Groundwater / Geothermal
Groundwater monitoring, groundwater protection zones, infiltration systems, geothermal probes, abstraction and return wells, pumping tests, dewatering measures and permitting support.
Contaminated sites / Waste
Preliminary investigations, detailed investigations, remediation concepts, technical construction management for remediation, triage of excavation and demolition material, monitoring, aftercare and expert assessments.
Building contaminants
Testing building materials for asbestos, PCB/CP, radon assessment, planning of contaminant remediation, specialist site supervision and air measurements in accordance with legal requirements.
Trust & reputation

ranQ Trust Score of Geologiebüro Ryser und Partner AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 54% · As of October 2026

Geologiebüro Ryser und Partner AG 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%
Geologiebüro Ryser und Partner AG scores 70.4 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.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.55.07%
Geologiebüro Ryser und Partner AG 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%
Geologiebüro Ryser und Partner AG scores 12.9 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 35.12.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Geologiebüro Ryser und Partner AG 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 October 2026.

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

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Location

Auf dem Wolf 37
4052 Basel
Opening hours
Mon
08:00 - 17:30
Tue
08:00 - 17:30
Wed
08:00 - 17:30
Thu
08:00 - 17:30
Fri
08:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-176.389.995
Founded
2021 · 5 years
Last commercial register change
December 19, 2024
Employees
1 to 10
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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