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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesMenzikenSiegenthaler Tankrevisionen AG
Siegenthaler Tankrevisionen AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Siegenthaler Tankrevisionen AG is the execution of revisions, renovations and new installations of various types of tanks, including heating oil, diesel, gasoline, solvent, chemical, water tanks and compressed air vessels. This also includes specific services such as tank dismantling, tank room sealing, tank room coating and tank cleaning.

AI-generated
Offering

Products & services

Industry:Specialized Construction Activities
✓ Offered5
Tank inspections
Tank inspections for heating oil, diesel, gasoline, solvents, chemical and water tanks, as well as compressed-air vessels; including tank checks, tank cleaning and device functional checks.
Tank refurbishments
Tank refurbishments for existing tank installations, including refurbishment of heating oil, diesel, gasoline, solvents, chemical and water tanks as well as compressed-air vessels.
Tank room sealing
Tank room sealing and tank linings for tank installations to seal and coat tank rooms.
Tank dismantling
Tank dismantling for existing tank installations, including dismantling and removal of heating oil, diesel, gasoline, solvents, chemical and water tanks.
New installations
New tank installations, supplemented by inspections and refurbishments in the field of tank technology.
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3.7/5

Siegenthaler Tankrevisionen AG

Trust & reputation

ranQ Trust Score of Siegenthaler Tankrevisionen AG: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

Siegenthaler Tankrevisionen AG scores 45.6 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.53.524%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.35.310%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.35.08%
Siegenthaler Tankrevisionen 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%
Siegenthaler Tankrevisionen 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%
Siegenthaler Tankrevisionen AG scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Siegenthaler Tankrevisionen AG reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 3.3 out of 5 stars from 3 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
3.3
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle3.33
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Kirchstrasse 2
5737 Menziken
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.121.622
Founded
1965 · 61 years
Last commercial register change
May 25, 2010
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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