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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesOberwil BlFlühmann AG
Flühmann AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of W. Flühmann AG is the provision of services in the field of heating, plumbing and ventilation technology. This includes in particular: installation, repair and maintenance of heating systems, including oil and gas burners, solar systems and heat pumps; installation, repair and maintenance of plumbing installations, including toilets, sinks, faucets and sewage pumps; installation, repair and maintenance of ventilation systems for commercial and residential use; renovation and conversion of heating, plumbing and ventilation systems; and the performance of official measurements and inspections. The company thus offers a comprehensive range of services in the field of technical building equipment.

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Products & services

Industry:Plumbing & Building Services
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4.0/5

Flühmann AG

✓ Offered3
Heating installations
Replacement, repairs and service of all heating installations, including oil and gas burners, boilers, radiators, district heating systems, solar installations and underfloor heating.
Plumbing installations
Replacement, repairs and service of all plumbing installations, including WC, washbasins, fittings, wastewater pumps, heat pump and solar hot water tanks, as well as remediation of water damage.
Ventilation systems
Service, repairs and maintenance of all ventilation systems for commercial and domestic use, including filter and V-belt replacement, cleaning, as well as ventilation and extraction of rooms and systems.
Trust & reputation

ranQ Trust Score of Flühmann AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Flühmann AG scores 60.7 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.48.424%
  • 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.58.610%
  • 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.100.08%
Flühmann AG scores 85.5 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.55.07%
Flühmann AG 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%
Flühmann AG 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

Flühmann AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 3.6 out of 5 stars from 9 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
3.6
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle3.69
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Binningerstrasse 55
4104 Oberwil Bl
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Corporation
UID
CHE-101.506.136
Founded
2005 · 21 years
Last commercial register change
May 8, 2023
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.
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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