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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesSheet Metal WorkDinhardKarl Erb Spenglerei AG
Karl Erb Spenglerei AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Karl Erb Spenglerei AG is sheet metal work, particularly the planning and execution of sheet metal work for flat roofs, industrial buildings, roof maintenance, edge parts, project planning and special manufacturing.

AI-generated
Offering

Products & services

Industry:Sheet Metal Work
✓ Offered7
Sheet metal work
Sheet metal works, metal roofs, metal façades, dormers, window sills and lightning protection systems, as well as special custom fabrications in the field of sheet metal work.
Flat roofing
Flat roofing, renovations, terrace coverings, green roofing, photovoltaic systems and DICHT X for modern flat roof solutions.
Industrial buildings
Renovation and construction of industrial buildings for warehouse halls, production sites, sports facilities, business parks and multi-storey office complexes.
Roof maintenance
Inspections and maintenance work on roofs, as well as fall protection to prevent water ingress and high renovation costs.
Bent parts
Contract manufacturing for individual bent parts to size, also for window sills and other made-to-measure metal parts.
Project planning
Support in project planning for construction projects, including checking feasibility and completeness of tenders.
Special fabrications
Made-to-measure planter boxes, privacy screens, company emblems made of metal, sheet metal cladding and other special solutions.
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4.4/5

Karl Erb Spenglerei AG

Trust & reputation

ranQ Trust Score of Karl Erb Spenglerei AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Karl Erb Spenglerei AG scores 83.5 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.80.124%
  • 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.88.110%
  • 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.88.08%
Karl Erb Spenglerei AG scores 89.1 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.92.512%
  • 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.82.07%
Karl Erb Spenglerei AG 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%
Karl Erb Spenglerei AG 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

Karl Erb Spenglerei AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 31 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
4.7
of 5

Aggregated from 31 reviews across all connected sources

Sources
GGoogle4.731
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Längerenrüti 11
8474 Dinhard
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, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-371.973.969
Founded
2014 · 12 years
Last commercial register change
June 16, 2026
Employees
21 to 50
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.
100.0
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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