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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryReal EstateFacility Management & CleaningSt. GermanGebr. Gsponer AG
Gebr. Gsponer AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Gebr. Gsponer AG carries out tank inspections, controls and cleanings and provides services for tank systems, including planning and installation of new tanks, remediation and interior linings/leak-protection, tank dismantling and specialist revisions for tanks containing hazardous media.

AI-generated
Offering

Products & services

Industry:Facility Management & Cleaning
✓ Offered8
Tank inspections and monitoring
Tank inspections and monitoring for heating oil tank systems of all sizes and installation types; cleaning, degassing, leak testing, checking piping and filling safety devices, report for the Office for Environmental Protection.
Tank inspections for hazardous media
Tank checks with or without internal inspection of tanks for solvents, alkalis, acids and petrol; including chemical tank inspections and special inspection work with additional testing.
New tank systems
Planning and installation of new tank systems; underground ball tanks made of double-wall GFK with leak detection device, as well as tank inspection with or without internal inspection.
Tank pit linings
Renovation of tank pits using special membrane lining; emptying, lifting the tank, laying the membrane, leak testing and advice on rectifying defects.
Renovation of underground tank systems
Renovation of buried tank installations with internal coating, sandblasting, Epoflex coating, installation of an internal tank liner and leak detection device.
Tank dismantling
Professional dismantling and disposal of tank installations; pumping off residual oil, cleaning, cutting work and transport of materials away.
Leak warning devices for tanks
Installation and servicing of leak warning devices for tanks in the ground, outdoors or in buildings without a containment bund; functional checks according to regulations.
Construction site tanks / IBC
Inspection and repair work on construction site tanks and IBC for diesel or kerosene; periodic leak and conformity tests within statutory deadlines.
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4.1/5

Gebr. Gsponer AG

Trust & reputation

ranQ Trust Score of Gebr. Gsponer 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.

Gebr. Gsponer 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.
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%
Gebr. Gsponer AG scores 85.5 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.55.07%
Gebr. Gsponer AG scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
Gebr. Gsponer AG scores 6.6 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 35.6.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gebr. Gsponer 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

Beim Parkplatz 1
3942 St. German

At a glance

Legal form
Corporation
UID
CHE-107.012.921
Founded
1969 · 57 years
Last commercial register change
November 26, 2020
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.
100.0
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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