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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsTagelswangenPaul Grob AG, Isolationen und Bautenschutz
Paul Grob AG, Isolationen und Bautenschutz Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Paul Grob AG, Isolationen und Bautenschutz provides services in thermal, cold and acoustic insulation as well as wood protection. Services include ceiling, wall and screed-floor insulation, blown-in insulation, acoustic insulation, wood conservation and treatments against wood pests.

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Products & services

Industry:Specialized Construction Installations
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4.0/5

Paul Grob AG, Isolationen und Bautenschutz

✓ Offered3
Insulation
Ceiling and wall insulation, screed floor insulation, thermal and moisture insulation, and acoustic insulation for basements, underground car parks, parking halls, as well as commercial and industrial buildings.
Flocculated, blown-in insulation
Flocculated and blown-in insulation of cavities in partition elements, vertical service shafts, roof voids, screed floor voids, behind wall linings and on facades.
Wood preservation
Wood preservation, wood pest control and house fungus remediation with surface treatment, pressure injections and tested wood preservatives.
Trust & reputation

ranQ Trust Score of Paul Grob AG, Isolationen und Bautenschutz: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Paul Grob AG, Isolationen und Bautenschutz scores 59.3 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.75.024%
  • 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.40.910%
  • 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%
Paul Grob AG, Isolationen und Bautenschutz 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%
Paul Grob AG, Isolationen und Bautenschutz 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%
Paul Grob AG, Isolationen und Bautenschutz scores 5.4 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 35.5.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Paul Grob AG, Isolationen und Bautenschutz reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 4 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
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Neustadtstrasse 6
8317 Tagelswangen
Opening hours
Mon
08:00 - 11:45, 13:30 - 16:30
Tue
08:00 - 11:45, 13:30 - 16:30
Wed
08:00 - 11:45, 13:30 - 16:30
Thu
08:00 - 11:45, 13:30 - 16:30
Fri
08:00 - 11:45, 13:30 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.888.706
Founded
1981 · 45 years
Last commercial register change
June 6, 2023
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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