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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsRomanshornSonnen Raffstoren GmbH
Sonnen Raffstoren GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Sonnen Raffstoren GmbH manufactures and installs external blinds and sun‑protection systems. The company supplies custom external blinds (various lamella profiles), awnings, bioclimatic pergolas, glass‑roof and sliding‑glass systems, and provides consultation, installation, motorisation, maintenance and repair services with options for smart‑home integration.

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Products & services

Industry:Specialized Construction Installations
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Sonnen Raffstoren GmbH

✓ Offered8
Exterior louvre blinds
Made-to-measure exterior louvre blinds with various slat profiles, colours and finishes; manual or motorised, also with smart home integration, for sun, heat and privacy protection.
Installation and mounting of sun protection systems
Professional installation of louvre blinds and other shading systems by experienced technicians, including precise fitting and adaptation to the building situation.
Consulting and planning
On-site consultation, precise measurements and planning of tailor-made shading solutions for residential, office and commercial buildings.
Maintenance and repair
Maintenance, inspection and repairs for louvre blinds and shading systems, so the installations work reliably in the long term.
Awnings
Premium awnings for terraces, balconies and facades, with weather-resistant materials, various designs and optional control.
Pergolas and glass roofs
Bioclimatic pergolas and glass roof systems for outdoor areas, with adjustable louvres or weather-resistant glass for shade, light and protection.
Sliding glass systems
Horizontal sliding elements for terraces and winter gardens with flexible room use, panoramic views and space-saving design.
ZIP-screen systems
Vertical screening systems for sun protection and insect protection, suitable for windows, pergolas and outdoor areas.
Trust & reputation

ranQ Trust Score of Sonnen Raffstoren GmbH

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Sonnen Raffstoren 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.
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%
Sonnen Raffstoren GmbH scores 50.8 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.25.012%
  • 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%
Sonnen Raffstoren GmbH 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%
Sonnen Raffstoren GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

Knowledge

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Location

Waldmannstrasse 33
8590 Romanshorn

At a glance

Legal form
Limited Liability Company
UID
CHE-156.280.579
Founded
2025 · 1 year
Last commercial register change
July 16, 2025
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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