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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesButtisholzBösch Sanitär & Heizung AG
Bösch Sanitär & Heizung AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Bösch Sanitär & Heizung AG includes the planning, execution and maintenance of building technology systems, including: heating systems (renovations, new installations, maintenance and repair of oil-fired boilers, heat pumps and solar systems), sanitary installations (renovations, new installations, maintenance and repair of sanitary facilities, bathrooms, showers, toilets and kitchens), ventilation systems (planning and installation of ventilation systems and heat recovery), plastering and exterior insulation, sale of washing machines and dryers, and a 24-hour emergency service for repairs. The company also offers apprenticeships in the fields of sanitary and heating installation as well as building technology practitioner EBA.

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Products & services

Industry:Plumbing & Building Services
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4.1/5

Bösch Sanitär & Heizung AG

✓ Offered6
Heating installations
Heating installations for new builds, conversions and renovations, including heat pumps, boilers, underfloor heating systems, radiators, and replacement or modernisation of existing systems.
Sanitary installations
Sanitary installations for new builds, conversions and renovations, including bathroom refurbishments, water, gas and wastewater lines, house water stations, water softening and sanitary fixtures.
Ventilation systems
Ventilation systems with heat recovery for single rooms, multi-storey buildings, single-family homes and commercial premises, improving indoor air and room climate.
Solar systems
Solar systems for electricity and hot water, including solar collectors and integration for sustainable building energy supply.
Plastering and external insulation
Plastering work and rendered external insulation for interior finishing and façade work, carried out with specialist staff and different working methods.
24-hour emergency service
24-hour on-call service for urgent damage and faults on sanitary and heating systems, reachable immediately and deployed on short notice.
Trust & reputation

ranQ Trust Score of Bösch Sanitär & Heizung AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Bösch Sanitär & Heizung AG scores 65.0 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.67.224%
  • 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.55.910%
  • 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.70.08%
Bösch Sanitär & Heizung AG scores 89.3 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.70.07%
Bösch Sanitär & Heizung 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%
Bösch Sanitär & Heizung AG scores 13.4 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 35.13.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bösch Sanitär & Heizung AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 out of 5 stars from 8 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
4.4
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle4.48
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Gewerbezone 59
6018 Buttisholz
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-109.620.161
Founded
2002 · 24 years
Last commercial register change
April 10, 2024
Employees
11 to 20
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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