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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesSorengoLeoni Gysi Sartori Ingegneria geotecnica geologia idrogeologia SA
Leoni Gysi Sartori Ingegneria geotecnica geologia idrogeologia SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Leoni Gysi Sartori Ingegneria geotecnica geologia idrogeologia SA is an engineering and consultancy firm providing geotechnical, geological, hydrogeological and environmental geology services. Services listed include ground investigations and geotechnical reporting, design and project work for special deep foundations and slope stabilisations, laboratory analyses, hydrogeological testing and contaminated-site assessments.

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Products & services

Industry:Specialized Construction Activities
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Leoni Gysi Sartori Ingegneria geotecnica geologia idrogeologia SA

✓ Offered5
Engineering
Planning and consulting for sports facilities, permanent support structures, analysis of natural stone masonry, offer modules, technical direction of works, expert reports and inspections.
Geotechnical engineering
Design of excavations, shallow foundations and piling, slope stabilisation, dams and tunnels; geotechnical calculations, consulting, technical management, monitoring and expert reports.
Geology
Geological-geotechnical investigations, reports according to SIA 267, boreholes and in-hole testing, site surveys, geological support on construction sites, expert reports and analyses of natural hazards.
Hydrogeology
Hydrogeological reports, in-site tests, laboratory analyses, groundwater monitoring, feasibility studies for groundwater, sizing of infiltration, drainage and temporary drawdowns.
Environment
Preliminary and detailed investigations of contaminated sites, remediation projects, checks for neophytes, pollutants in buildings, waste-disposal concepts, renovation of shooting ranges and studies for heat pumps.
Trust & reputation

ranQ Trust Score of Leoni Gysi Sartori Ingegneria geotecnica geologia idrogeologia 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.

Leoni Gysi Sartori Ingegneria geotecnica geologia idrogeologia 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.
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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%
Leoni Gysi Sartori Ingegneria geotecnica geologia idrogeologia SA 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%
Leoni Gysi Sartori Ingegneria geotecnica geologia idrogeologia SA 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%
Leoni Gysi Sartori Ingegneria geotecnica geologia idrogeologia SA scores 42.9 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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Leoni Gysi Sartori Ingegneria geotecnica geologia idrogeologia 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

Via alla Campagna 4
6924 Sorengo
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.477.364
Founded
1989 · 37 years
Last commercial register change
July 24, 2019
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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