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

About the company

The core activity of Bianchi Heizungen is the planning, execution and servicing of heating systems, particularly: oil burner service (also available as a subscription model), boiler renovation, installation and servicing of chimney systems, gas heating systems, heat pumps and solar systems, as well as planning and implementation of new heating systems. The company also offers a 24-hour service in these areas.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered5
Oil burner service
Oil burner service, maintenance, revisions and repairs for common heating systems; available as a subscription model and with a 24-hour service.
Heating service and heating repairs
Heating service, fault rectification, maintenance and professional repairs for heating systems; personal support and quick help when problems occur.
Heating system renovations
Renovation of heating systems, including comprehensive modernisation of existing systems and adaptation to individual requirements.
Planning and realisation of oil heating systems
Planning, selection and realisation of oil heating systems, from consultation through to implementation and commissioning.
Chimney system renovation
Renovation of chimney systems with a focus on optimal combustion, gas-tight construction and long-lasting workmanship.
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3.7/5

Bianchi Silvio Heizung GmbH

Trust & reputation

ranQ Trust Score of Bianchi Silvio Heizung GmbH: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

Bianchi Silvio Heizung GmbH scores 49.8 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.68.224%
  • 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.17.610%
  • 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.35.08%
Bianchi Silvio Heizung GmbH scores 72.3 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.75.012%
  • 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%
Bianchi Silvio Heizung GmbH scores 83.3 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).83.322%
Bianchi Silvio Heizung GmbH scores 1.4 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 35.1.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bianchi Silvio Heizung GmbH reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 5.0 out of 5 stars from 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Heuteilerweg 3
7208 Malans Gr
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Limited Liability Company
UID
CHE-246.976.065
Founded
2019 · 7 years
Last commercial register change
March 4, 2019
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.
88.0
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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