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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesSheet Metal WorkDerendingenSpenglerei 11 GmbH
Spenglerei 11 GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Spenglerei 11 GmbH is the execution of roofing works, sealing works, pitched roof works, lightning protection systems, renovations and maintenance services in the field of roofs and building envelopes. Specifically, this includes the installation of gutters, metal roofs, chimney cladding, downpipes and other roofing works, as well as the implementation of sealing works with various roofing systems such as bitumen, plastic and liquid plastic. In addition, the company also offers lightning protection systems, building renovations and regular maintenance services.

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Products & services

Industry:Sheet Metal Work
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4.4/5

Spenglerei 11 GmbH

✓ Offered4
Sheet metal work
Sheet metal work for roofs and building envelopes, including gutter systems, sheet metal roofs, chimney flashings, downpipes and other sheet metal and roof work.
Lightning protection
Lightning protection systems with internal and external lightning protection to protect against fire, overvoltage and damage to buildings, electrical equipment and installations.
Renovations
Renovations of the building envelope and the core of a property, for structural and technical restoration, modernisation and removal of damage.
Roof service
Roof service work with regular inspections, maintenance and care to improve weather resistance, prevent green growth and extend service life.
Trust & reputation

ranQ Trust Score of Spenglerei 11 GmbH: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

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Data basis 96% · As of October 2026

Spenglerei 11 GmbH scores 90.7 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.91.024%
  • 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.86.510%
  • 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%
Spenglerei 11 GmbH scores 77.2 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.86.512%
  • 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%
Spenglerei 11 GmbH scores 85.0 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).85.022%
Spenglerei 11 GmbH scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Spenglerei 11 GmbH reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 29 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
5
of 5

Aggregated from 29 reviews across all connected sources

Sources
GGoogle529
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Hauptstrasse 26a
4552 Derendingen
Opening hours
Mon
07:00 - 16:00
Tue
07:00 - 16:00
Wed
07:00 - 16:00
Thu
07:00 - 16:00
Fri
07:00 - 15:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-416.552.684
Founded
2016 · 10 years
Last commercial register change
April 23, 2020
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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