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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringLuganoTERRACH SA
TERRACH SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Terrach S.A. consists of carrying out geognostic investigations, in particular in the design and execution of geognostic investigations for the characterization of soils and rocks. This also includes the execution of in-situ sampling, log geophysics, monitoring and the application of geophysics. The company also provides services in the fields of environment, infrastructure, construction and natural resources.

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TERRACH SA

Technical Consulting & Engineering
✓ Offered6
Geognostic investigations
Direct and indirect investigations for the geological and geotechnical characterization of soils, using continuous core drilling and wire-line, in-borehole tests and environmental boreholes.
Monitoring
Systematic and continuous monitoring of phenomena in dams, structures, landslide slopes and embankments, with measurements of groundwater levels, settlements, displacements, angles, loads and water properties.
Applied geophysics
Applied geophysics using geoelectric, seismic and GPR methods, including electrical tomography, seismic refraction, MASW, HVSR, downhole and crosshole tests.
In-situ tests
In-situ tests to determine the geotechnical parameters of soils and rocks, including penetrometric, scissometric, flat jack, plate load and pile load tests.
Borehole tests
Borehole tests for determining the geotechnical parameters of soils and rocks, including pressiometric, dilatometric, DMT, SONREB, hydraulic fracturing and permeability.
Geophysical borehole logging
Geophysical logs in boreholes with probes for optical, acoustic, sonic, gamma ray, temperature and fluid conductivity, poly induction, micromoulinet and borehole deviation.
Trust & reputation

ranQ Trust Score of TERRACH SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

TERRACH SA 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.
x
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%
TERRACH SA 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%
TERRACH SA 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%
TERRACH SA scores 10.6 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 35.10.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

TERRACH SA 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.

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Location

Hier entsteht die Karte
Crocicchio Cortogna 6
6900 Lugano

At a glance

Legal form
Corporation
UID
CHE-227.618.990
Founded
2011 · 15 years
Last commercial register change
March 4, 2021
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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