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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringZurichSC+P Sieber, Cassina + Partner AG
SC+P Sieber, Cassina + Partner AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

SC+P Sieber, Cassina + Partner AG is an engineering and services firm that carries out projects in geology, geotechnics, landfill engineering and environmental assessment. Services include site and landfill planning, contaminated-site investigations and remediation, environmental impact and risk analyses, geological and hydrogeological investigations, geotechnical consulting, foundation and excavation planning, and construction supervision including environmental construction oversight.

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Products & services

Industry:Technical Consulting & Engineering
✓ Offered4
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SC+P Sieber, Cassina + Partner AG

Environment, risk analyses
Noise protection, air quality management, environmental construction monitoring (UBB), soil protection, environmental impact assessments (EIA), major accident and risk analyses, material flow analysis.
Contaminated sites, landfill planning
Contaminated site investigations, remediation projects, waste planning, waste management concepts, landfill technology, building pollutants, building deconstruction, risk and hazard assessments.
Geology, hydrogeology
Geological surveys, landslides, raw material prospecting, natural hazards, groundwater investigations, geothermal energy, infiltration, protection zones.
Ground conditions, civil engineering
Ground investigations, geotechnical consulting, dewatering, designs/dimensioning, excavation planning, excavation pit boundary works, foundation design, damage appraisals, site supervision.
Trust & reputation

ranQ Trust Score of SC+P Sieber, Cassina + Partner AG: 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.

SC+P Sieber, Cassina + 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%
SC+P Sieber, Cassina + Partner AG scores 92.5 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.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%
SC+P Sieber, Cassina + Partner AG 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%
SC+P Sieber, Cassina + Partner AG scores 80.0 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 35.80.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

SC+P Sieber, Cassina + Partner AG 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

Geerenweg 2
8048 Zurich

At a glance

Legal form
Corporation
UID
CHE-105.873.616
Founded
1991 · 35 years
Last commercial register change
August 31, 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.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.100.03%
    • Full methodology

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