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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceDietwilStenzo GmbH
Stenzo GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Stenzo GmbH is the manufacture and installation of shutters, particularly wooden shutters, as well as providing services in the field of carpentry, such as renovations, 1:1 reproductions and insect protection.

AI-generated
Offering

Products & services

Industry:Building Maintenance
✓ Offered6
Wooden window shutters
Wooden window shutters with fixed or adjustable louvres, with infill panels or solid versions with decorative trims; on-site measurement, made to order, surface treatment and installation.
Renovations of window shutters
Renovations of wooden window shutters with on-site inspection, adjustment, repair or replacement of rotten timber parts, stripping, painting, delivery and reinstallation.
Aluminium window shutters
Aluminium window shutters with fixed or adjustable louvres, with infill panels or beam imitations; supply of a purchased product with installation.
Folding and sliding shutters
Folding and sliding shutters with prefabricated aluminium window shutters or wooden window shutters made to order as desired; installation and custom fabrication to measure.
Insect protection
Insect screens, roller screens and doors via the specialist partner Rollfix AG, including supply and installation of the products.
1:1 reproductions
1:1 reproductions of existing window shutters for renovations of listed buildings, to restore the original appearance.
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4.1/5

Stenzo GmbH

Trust & reputation

ranQ Trust Score of Stenzo GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Stenzo GmbH scores 73.7 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.65.024%
  • 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.77.410%
  • 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%
Stenzo GmbH scores 74.1 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.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%
Stenzo 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%
Stenzo 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%
Qualifications+0.00

Stenzo GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 20 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
4.3
of 5

Aggregated from 20 reviews across all connected sources

Sources
GGoogle4.320
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Feldstrasse 26
6042 Dietwil
Opening hours
Mon
07:30 - 17:00
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
07:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-488.615.852
Founded
2018 · 8 years
Last commercial register change
January 29, 2018
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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