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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsSpreitenbachGandolfo Kaminbau & Abgasanlagen
Gandolfo Kaminbau & Abgasanlagen Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Gandolfo Kaminbau & Abgasanlagen is the planning, installation, maintenance and repair of chimneys and exhaust systems, including flues, ventilation chimneys, silencers and other related components. The company provides comprehensive services in this field, from consulting and planning to execution and maintenance of the systems.

AI-generated
Offering

Products & services

Industry:Specialized Construction Installations
✓ Offered5
Chimney construction and flue systems
Chimney construction and flue systems for new builds and renovations, including planning, installation and professional implementation of ventilation chimneys and flue systems.
Diagnostics of flue systems
Diagnostics using a chimney camera for thorough inspection of flue systems, as well as information about possible measures.
Repairs to chimney and flue systems
Repairs with replacement of fireplace glass, firebricks, smoke pipes and chimney caps, including after hail damage.
Silencers for flue systems
Silencers to reduce noise at flue systems and for a quieter environment.
Dismantling and disposal of chimneys
Dismantling of old chimneys, including transport away and professional disposal of construction debris with our own tip trailer.
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3.7/5

Gandolfo Kaminbau & Abgasanlagen

Trust & reputation

ranQ Trust Score of Gandolfo Kaminbau & Abgasanlagen: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

Gandolfo Kaminbau & Abgasanlagen scores 49.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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%
Gandolfo Kaminbau & Abgasanlagen scores 74.0 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.89.612%
  • 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%
Gandolfo Kaminbau & Abgasanlagen 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%
Gandolfo Kaminbau & Abgasanlagen scores 1.7 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 35.1.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gandolfo Kaminbau & Abgasanlagen 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.

Knowledge

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Location

Pfadackerstrasse 9
8957 Spreitenbach

At a glance

Legal form
Sole proprietorship
UID
CHE-398.864.391
Founded
2015 · 11 years
Last commercial register change
September 30, 2024
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.67.06%
  • 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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