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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSealing & InsulationThundorfROTH AG Thundorf
ROTH AG Thundorf Logo
Verified· 3 sourcesTrust Score
Summary

About the company

ROTH AG Thundorf is a site of ROTH GRUPPE providing technical insulation, structural fire protection and interior fit-out services. The offering includes consulting, project planning, training and software tools for fire protection management.

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Offering

Products & services

Industry:Sealing & Insulation
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ROTH AG Thundorf

✓ Offered4
Insulation
Insulation of pipes and ventilation systems to reduce energy consumption, cut water usage and protect the systems against fire spread.
HLACR and steam insulation
Heating, ventilation, air conditioning, refrigeration and sanitary insulation according to cantonal energy regulations, MuKEn, VKF standards and sound guidelines; prevents condensate and saves energy.
Industrial, equipment and acoustic insulation
Insulation of equipment, storage units and valves, as well as acoustic insulation for rainwater and foul-water drainpipes, cavities and installation shafts.
Loose-fill and cavity insulation
Blowing loose-fill insulation into vertical service and installation ducts, false-wall and sanitary elements, and hard-to-reach areas; fire protection, noise and thermal protection with VKF-approved insulation materials.
Trust & reputation

ranQ Trust Score of ROTH AG Thundorf: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 96% · As of October 2026

ROTH AG Thundorf scores 57.2 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.41.324%
  • 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.78.610%
  • 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.78.08%
ROTH AG Thundorf 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%
ROTH AG Thundorf 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%
ROTH AG Thundorf scores 88.6 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.88.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ROTH AG Thundorf reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.6 out of 5 stars from 21 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
3.6
of 5

Aggregated from 21 reviews across all connected sources

Sources
GGoogle3.621
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Hauptstrasse 2
8512 Thundorf
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-107.417.330
Founded
1995 · 31 years
Last commercial register change
January 8, 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.
100.0
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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