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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSealing & InsulationNeuenhofI-I. Widmer Abdichtungen GmbH
I-I. Widmer Abdichtungen GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

I-I. Widmer Abdichtungen GmbH is a company for waterproofing and joint renovation. Services include silicone and hybrid joint seals, Combiflex and bitumen membranes, liquid-applied membranes, injections, fire-stopping, underground garage waterproofing and renovation, perimeter insulation and adhesive reinforcements including steel and CFRP laminates.

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Products & services

Industry:Sealing & Insulation
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3.9/5

I-I. Widmer Abdichtungen GmbH

✓ Offered5
Waterproofing
Silicone joint sealants, hybrid joint sealants, Combiflex waterproofing systems, liquid plastics and bitumen membranes for buildings, underground car parks and renovations.
Renovations
Joint renovations, underground car park renovation and renovation of existing waterproofing, including work on joints, waterproofing and affected structural components.
Insulation
Perimeter insulation and window vapour barrier films for energy-related and building-physics waterproofing and insulation work.
Fire protection
Fire-protection joints and fire stopping for passive fire protection in buildings and underground car parks.
Injections
Injections for sealing and renovation of structural joints and leak points.
Trust & reputation

ranQ Trust Score of I-I. Widmer Abdichtungen GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

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Data basis 54% · As of October 2026

I-I. Widmer Abdichtungen GmbH 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.
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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%
I-I. Widmer Abdichtungen GmbH scores 67.8 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.64.612%
  • 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%
I-I. Widmer Abdichtungen GmbH scores 83.3 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).83.322%
I-I. Widmer Abdichtungen GmbH scores 2.0 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 35.2.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

I-I. Widmer Abdichtungen GmbH reaches a ranQ Trust Score of 3.9 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

Dorfstrasse 31
5432 Neuenhof

At a glance

Legal form
Limited Liability Company
UID
CHE-262.441.963
Founded
2021 · 5 years
Last commercial register change
August 25, 2022
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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