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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryCrafts & TradesBlinds installationGoldachDudler & Co GmbH
Dudler & Co GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Dudler & Co GmbH advises on sun protection solutions and sells awnings, venetian blinds, roller shutters, window shutters, pergolas and insect screens. Its services include new installations, repairs and maintenance of its own products and those of other manufacturers.

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Service area

Offering

Products & services

Industry:Blinds installation
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4.6/5

Dudler & Co GmbH

✓ Offered10
Sun and weather protection solutions
Sun awnings, louvred shutters, roller shutters, Zip-Screen, pergolas and sun umbrellas for indoor and outdoor areas; advice, sales, repairs and new installations included.
Interior shading
Pleated fold-down blinds, honeycomb pleats and Velux solutions in various fabrics and colours for windows and doors.
Louvred shutters
Louvred roller shutters, composite louvred roller shutters and full-metal shutters for new builds, renovations and residential or commercial properties.
Roller shutters
Built-in roller shutters, front-mounted roller shutters and aluminium roller shutters for new builds, conversions and renovations, providing protection against weather, prying eyes and heat loss.
Outdoor shading
Sun awnings, vertical blinds, Zip-Screen and made-to-measure sun umbrellas for windows, façades and terraces, for both private and commercial customers.
Pergola systems
Louvred roofs and folding blinds for pergolas, made to measure for protection from sun, wind and rain, and for retrofitting or new constructions.
Window shutters
Made-to-measure window shutters with weather protection and flexible mounting for different structural requirements.
Insect protection
Insect protection for windows, doors and light wells as tension frames, roller blinds, sliding or hinged doors, as well as covers for cellars and lower ground floors.
Service and repair
Service and repair work also for third-party products from other manufacturers, including existing sun protection and blind/shutter systems.
Personal consultation
Personal project consultation for sun awnings, louvres, roller shutters and Zip-Screen; support in choosing the right solution.
Trust & reputation

ranQ Trust Score of Dudler & Co GmbH: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 96% · As of November 2026

Dudler & Co GmbH scores 97.3 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.96.924%
  • 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.100.010%
  • 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.95.08%
Dudler & Co GmbH scores 82.0 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.97.712%
  • 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%
Dudler & Co GmbH scores 86.7 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).86.722%
Dudler & Co GmbH scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Dudler & Co GmbH reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 5.0 out of 5 stars from 103 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 103 reviews across all connected sources

Sources
GGoogle5103
★TrustpilotSoon
PProvenExpertSoon

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

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Location

St. Gallerstrasse 71
9403 Goldach
Opening hours
Mon
08:00 - 17:30
Tue
08:00 - 17:30
Wed
08:00 - 17:30
Thu
08:00 - 17:30
Fri
08:00 - 17:30
Sat
08:00 - 12:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-368.209.810
Founded
2012 · 14 years
Last commercial register change
November 21, 2024
Employees
1 to 10

Active in 7 of 26 cantons

  • Eastern Switzerland
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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