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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesRupperswilKernen Sonnenstoren GmbH
Kernen Sonnenstoren GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Kernen Sonnenstoren GmbH is the consulting, sales, installation, service and repair of sun and weather protection products, in particular of window shutters, louvre shutters, roller shutters, conservatory shading and glass roof systems.

AI-generated
Offering

Products & services

Industry:Specialized Construction Activities
✓ Offered6
Window Shutters
Window shutters in conventional, framed and sliding versions; individual colours, powder coating, pre-assembled systems, burglary resistance and automatic control.
Venetian Blinds
Venetian blinds for residential and commercial buildings, with hand crank, motor or automatic control; protection from sun, rain, heat, cold, privacy and glare.
Roller Shutters
Roller shutters for blackout, thermal insulation and burglary protection; various models, shapes and colours, with automation on request.
Conservatory Shading
Conservatory shading with individual, optionally automated shading systems for temperature and light control in winter gardens and glass extensions.
Glass Roof Systems
Glass roof systems for terraces and outdoor areas with aluminium construction, roof glazing and optional shading for sun and weather protection.
Consulting, Installation and Service
Consulting, sales, installation, service and repairs for sun and weather protection products; repairs on site or in the company’s own workshop.
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3.8/5

Kernen Sonnenstoren GmbH

Trust & reputation

ranQ Trust Score of Kernen Sonnenstoren GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Kernen Sonnenstoren GmbH scores 51.1 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.49.424%
  • 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.55.910%
  • 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%
Kernen Sonnenstoren GmbH scores 83.0 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.100.012%
  • 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%
Kernen Sonnenstoren GmbH scores 85.0 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).85.022%
Kernen Sonnenstoren GmbH scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Kernen Sonnenstoren GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 3.6 out of 5 stars from 8 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
3.6
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle3.68
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Stockhardweg 11
5102 Rupperswil
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-105.389.220
Founded
2010 · 16 years
Last commercial register change
February 24, 2026
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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