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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSealing & InsulationPromontognoISMAX Sagl
ISMAX Sagl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of ISMAX Sagl is the execution of insulation work, particularly in the following areas: heating and pipe insulation, heat pump insulation, ventilation duct insulation, floor insulation (simple or underfloor heating) and masonry and painting work related to insulation work. The company also offers complete service packages that include planning, execution and final processing of insulation work.

AI-generated
Offering

Products & services

Industry:Sealing & Insulation
✓ Offered3
Plant insulation
Plant insulation for heating, heat pump and ventilation systems to reduce heat loss, condensate and corrosion; including execution of the insulation work.
Floor insulation
Floor insulation for interior floors, including underfloor heating; to improve thermal and acoustic insulation and to control air humidity in cellars and similar rooms.
Boiler room refurbishment
Complete redesign of the boiler room with insulation, masonry work and painting work; including finishing and coating as a package offer.
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4.0/5

ISMAX Sagl

Trust & reputation

ranQ Trust Score of ISMAX Sagl: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of October 2026

ISMAX Sagl 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%
ISMAX Sagl scores 74.1 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.79.212%
  • 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%
ISMAX Sagl 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%
ISMAX Sagl scores 2.0 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 35.2.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ISMAX Sagl reaches a ranQ Trust Score of 4.0 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

Spino 29
7606 Promontogno

At a glance

Legal form
Limited Liability Company
UID
CHE-333.098.912
Founded
2018 · 8 years
Last commercial register change
February 1, 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.
88.0
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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