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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInsulationChurIso4 AG
Iso4 AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Iso4 AG provides technical thermal and cold insulation for heating, cooling and sanitary pipes, fittings and equipment. Its services also include ventilation and acoustic insulation, as well as fire protection measures such as fire stopping for cables and ducts.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Insulation
✓ Offered5
Technical insulation
Technical insulation for new and existing buildings, including insulation of heating, cooling, sanitary and ventilation installations as well as equipment, valves and industrial systems.
Fire protection insulation
Fire protection insulation with soft partition boards, mortar partition boards and Promat cladding to protect against fire and smoke in installations, pipework and systems.
Sound insulation
Sound insulation for machinery, systems, equipment and pipelines through airborne sound insulation, structural vibration decoupling and sound-attenuating enclosures.
Insulation of industrial plants
Insulation solutions for equipment, apparatus and pipework in industrial plants, combined for thermal, cold, noise and fire protection, with custom metal cladding.
Consulting for insulation solutions
Advisory support in selecting suitable insulation techniques and solutions, tailored to requirements, objectives and the technical execution of the system.
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4.0/5

Iso4 AG

Trust & reputation

ranQ Trust Score of Iso4 AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of November 2026

Iso4 AG scores 59.7 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.73.124%
  • 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.50.08%
Iso4 AG scores 88.8 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.92.512%
  • 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%
Iso4 AG scores 86.7 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).86.722%
Iso4 AG scores 3.1 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 35.3.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Iso4 AG 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 3 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Salvatorenstrasse 82
7000 Chur

At a glance

Legal form
Corporation
UID
CHE-236.703.152
Founded
2014 · 12 years
Last commercial register change
August 18, 2025
Employees
11 to 20

Active in 1 of 26 cantons

  • TITicino
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.95.03%
    • Full methodology

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