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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsBelpStefan Klopfenstein, Spenglerei
Stefan Klopfenstein, Spenglerei Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Klopfenstein Spenglerei encompasses the areas of construction sheet metal work, industrial sheet metal work, apparatus construction, lightning protection and roof maintenance. Specifically, the company offers services such as the manufacture and installation of metal roofs, chimney cladding, gutters, sheet metal parts, connecting pipes, window sills and other metal constructions. Additionally, the company performs regular roof inspections and repairs, and offers individual solutions for lightning protection and apparatus construction.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered6
Building sheet-metal work
Building sheet-metal work on pitched and flat roofs, metal roofs and metal façades, gutters, downpipes, chimney caps and chimney cladding, roof windows, and connecting flashings for solar installations.
Solar installations
Installation of solar modules into the roof, on-roof or integrated mounting, in cooperation with plumbing, heating or electrical companies, with watertight workmanship.
Industrial sheet-metal work
Made-to-measure sheet-metal parts, connecting pipes, window sills, drip trays, metal channels and covers; welding work in the workshop and on site as well.
Roof maintenance
Regular roof inspections, detection of damage, a roof maintenance subscription, as well as roof repairs and suitable devices for bird protection.
Lightning protection
Individual consulting and planning of lightning protection systems, tailored to site conditions and designed for a suitable solution.
Apparatus construction
Enclosures and containers, mobile stainless-steel tubs, mobile subframes, and custom-made stainless-steel drying ovens.
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3.9/5

Stefan Klopfenstein, Spenglerei

Trust & reputation

ranQ Trust Score of Stefan Klopfenstein, Spenglerei: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Stefan Klopfenstein, Spenglerei scores 62.1 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.75.024%
  • 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.40.910%
  • 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%
Stefan Klopfenstein, Spenglerei scores 78.5 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%
Stefan Klopfenstein, Spenglerei 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%
Stefan Klopfenstein, Spenglerei scores 4.0 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 35.4.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stefan Klopfenstein, Spenglerei reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 4 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 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hühnerhubelstrasse 97
3123 Belp
Opening hours
Mon
07:15 - 12:00, 13:00 - 17:00
Tue
07:15 - 12:00, 13:00 - 17:00
Wed
07:15 - 12:00, 13:00 - 17:00
Thu
07:15 - 12:00, 13:00 - 17:00
Fri
07:15 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-101.492.818
Founded
1994 · 32 years
Last commercial register change
June 19, 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.67.06%
  • 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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