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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingZermattStrassmann Gebäudehülle AG
Strassmann Gebäudehülle AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Strassmann Gebäudehülle AG is the planning, implementation and renovation of building envelopes, particularly roofs, with a focus on sustainability, energy efficiency and environmental protection. This includes: energetic roof renovations, installation of photovoltaic systems, planning and implementation of pitched and flat roofs, installation of roof windows, energy consulting and planning, and repairs and maintenance of roofs. The company focuses on creating sustainable, aesthetic and secure roof solutions that consider both the environment and society.

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Products & services

Industry:Roofing
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Strassmann Gebäudehülle AG

✓ Offered7
Roof renovations
Energy-efficient roof renovations, re-roofing, pitched and flat roof solutions, installation of roof windows as well as photovoltaic integration.
Energy consulting
On-site analysis of the building envelope, planning of measures, energy-efficient construction and renovation, renewable energy, funding programmes and the GEAK.
Repairs
Roof repairs for pitched roofs, flat roofs and roof windows, from patching to sealing in case of acute damage.
Maintenance and service
Regular maintenance, roof inspections, gutter cleaning, roof window service and a roof service subscription to prevent damage.
Photovoltaics on the roof
Photovoltaic systems on the roof, own electricity production, self-consumption or feed-in to the grid.
GEAK
Cantonal building energy certificate with an assessment of the energy condition and recommendations for energy improvements.
Roof windows
Installation, replacement and service of roof windows for more light, fresh air and living comfort.
Trust & reputation

ranQ Trust Score of Strassmann Gebäudehülle AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Strassmann Gebäudehülle AG 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%
Strassmann Gebäudehülle AG scores 76.6 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.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%
Strassmann Gebäudehülle AG 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%
Strassmann Gebäudehülle AG scores 10.9 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 35.10.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Strassmann Gebäudehülle AG reaches a ranQ Trust Score of 4.1 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.

Knowledge

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Location

Spissstrasse 6
3920 Zermatt

At a glance

Legal form
Corporation
UID
CHE-207.653.612
Founded
2018 · 8 years
Last commercial register change
January 18, 2021
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.
100.0
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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