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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionAltishofenB. Kaufmann AG
B. Kaufmann AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

B. Kaufmann is an SME with three independently managed divisions: 1. **Building Services**: Sanitary, heating, ventilation, water supply, services, maintenance and repair for residential and industrial areas. 2. **Agricultural Machinery**: Sales of agricultural machinery, own products and constructions, services, maintenance and repair, sales room, spare parts warehouse, used machinery, motorized equipment and rental machinery. 3. **Metalworking**: Manufacturing and installation of railings, stairs, canopies, wind and sight protection, shelters, pergolas and various other metal constructions, as well as services and maintenance. The company thus offers a wide range of services and products for the areas of building services, agriculture and metal processing.

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Products & services

Industry:Metal ConstructionPlumbing & Building Services
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B. Kaufmann AG

Retail - Machinery & Technical Equipment
✓ Offered3
Building services
Sanitary installations, heating, ventilation and vacuum cleaner systems for single-family, multi-family, industrial, commercial and public-law buildings; water supply, inlet and wastewater pipes, planning and implementation.
Agricultural equipment
Farm machinery and equipment, new and used equipment, motor equipment for forestry and garden, rental machines, service, maintenance, spare parts storage and sales area.
Metal construction
Metal and glass constructions such as staircases, railings, canopies, wind and privacy screens, shelters and pergolas, as well as other metal and sheet-metal work.
Trust & reputation

ranQ Trust Score of B. Kaufmann AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

B. Kaufmann AG scores 88.1 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.81.524%
  • 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.98.510%
  • 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%
B. Kaufmann AG scores 92.3 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.82.07%
B. Kaufmann 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%
B. Kaufmann AG scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

B. Kaufmann AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.7 out of 5 stars from 47 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 47 reviews across all connected sources

Sources
GGoogle4.747
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Unterdorf 4
6246 Altishofen
Opening hours
Mon
07:15 - 12:00, 13:15 - 17:30
Tue
07:15 - 12:00, 13:15 - 17:30
Wed
07:15 - 12:00, 13:15 - 17:30
Thu
07:15 - 12:00, 13:15 - 17:30
Fri
07:15 - 12:00, 13:15 - 17:00
Sat
08:00 - 12:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-109.088.148
Founded
2001 · 25 years
Last commercial register change
January 5, 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.
100.0
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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