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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingHerzogenbuchseeKämpfer + Co AG
Kämpfer + Co AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Kämpfer + Co AG provides roofing, wall cladding and waterproofing services, including planning, installation and maintenance of flat and pitched roofs, façades, metalwork and lightning protection.

AI-generated
Offering

Products & services

Industry:Roofing
✓ Offered8
Flat roof
Flat roof work for carports, single-family homes, commercial buildings and industrial structures; with vapour barrier, thermal insulation, waterproofing as well as access and protective layers.
Pitched roof
Pitched roof work with clay tiles, concrete tiles, natural slate, fibre-cement slate or metal sheets; including planning, installation and roof refurbishments.
Sheet metal work | Lightning protection
Sheet metal work with sheet-metal roofs, sheet-metal facades, flashings, downpipes, gutters, vent pipes, chimney trims, cladding and lightning protection systems.
Facade construction | Photovoltaics
Facade construction with Eternit, slate or metal, as well as installation of photovoltaic systems including sheet-metal flashings, edgings and tile adjustments.
Maintenance | Repairs
Maintenance of the building envelope, maintenance contracts with annual inspection, and repairs to roof and facade, supported by a 24-hour on-call emergency service.
24h on-call service
24-hour on-call service for emergencies, including outside business hours, reachable by phone for existing and new customers.
Industrial general contractor (GU)
General contractor for work around the building envelope, including subcontracting to subcontractors.
Truck crane rental
Truck-mounted crane rental with driver for work on roofs and facades; usable as a crane or a lifting platform.
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4.1/5

Kämpfer + Co AG

Trust & reputation

ranQ Trust Score of Kämpfer + Co AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Kämpfer + Co AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Kämpfer + Co AG scores 94.3 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.90.07%
Kämpfer + Co AG scores 86.7 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).86.722%
Kämpfer + Co AG scores 17.9 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 35.25.74%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Kämpfer + Co AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 58%, 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.

Press

Media

January 29, 2021Media
Hoch oben entsteht ein neues Dach
bernerzeitung.ch

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Location

Wangenstrasse 71
3360 Herzogenbuchsee
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
Corporation
UID
CHE-109.534.432
Founded
2002 · 24 years
Last commercial register change
March 24, 2026
Employees
51 to 100
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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