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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingAarburgBautherm Flachdach Spenglerei AG
Bautherm Flachdach Spenglerei AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of BAUTHERM FLACHDACH SPENGLEREI AG includes the planning, execution and maintenance of roofing work, including flat and pitched roofing, sheet metal work, lightning protection systems, fall protection systems, green roofs and skylight installations. The company also offers service, maintenance and repair work for flat roofs and places a strong emphasis on occupational safety.

AI-generated
Offering

Products & services

Industry:Roofing
✓ Offered6
Flat roof
Flat roof works for new builds, conversions and renovations, including roof waterproofing, terraces, extensive roof greening, skylight installations and RWA.
Sheet metal work
Complete sheet metal works for flat and pitched roof areas, with components for roofs and exterior walls, as well as execution according to construction sketches.
Lightning protection
Consulting, planning, installation, inspection and acceptance of lightning protection systems, including external lightning protection, measurements, declarations of conformity and documentation.
Maintenance
Annual roof inspections and maintenance contracts to preserve the building fabric, early detection of damage and long-term cost reduction.
Service
Service and repair work for leaks on the roof, including rapid damage analysis by a service fitter.
Work safety
Fall protection for construction, assembly, repair and maintenance work with protective and catch scaffolds, safety nets and personal fall protection equipment.
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4.2/5

Bautherm Flachdach Spenglerei AG

Trust & reputation

ranQ Trust Score of Bautherm Flachdach Spenglerei AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Bautherm Flachdach Spenglerei AG scores 69.5 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.76.724%
  • 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.45.610%
  • 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.78.08%
Bautherm Flachdach Spenglerei AG scores 88.1 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.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.82.07%
Bautherm Flachdach 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.
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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%
Bautherm Flachdach Spenglerei AG scores 54.3 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 35.54.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bautherm Flachdach Spenglerei AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 5 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 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Fliederstrasse 26
4663 Aarburg
Opening hours
Mon
07:30 - 11:45, 13:15 - 17:15
Tue
07:30 - 11:45, 13:15 - 17:15
Wed
07:30 - 11:45, 13:15 - 17:15
Thu
07:30 - 11:45, 13:15 - 17:15
Fri
07:30 - 11:45, 13:15 - 16:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.021.903
Founded
2016 · 10 years
Last commercial register change
June 1, 2017
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.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.85.03%
    • Full methodology

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