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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesLa Chaux-De-FondsWinkenbach SA
Winkenbach SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Winkenbach SA is a building-technology company that designs, installs and maintains heating, ventilation and sanitary systems. Services also include bathroom renovations, water treatment and industrial air-handling solutions such as cleanrooms and pressurization.

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Offering

Products & services

Industry:Plumbing & Building ServicesSpecialized Construction Installations
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4.3/5

Winkenbach SA

✓ Offered5
Building technology
Advice, design and maintenance for heating, ventilation and sanitary installations, for private or industrial projects, with a single point of contact.
Heating systems
Oil, gas and wood heating, heat pumps, thermal solar collectors, geothermal probe, studies, design and maintenance.
Ventilation & air conditioning
Double-flow ventilation, extraction of stale air, supply of fresh air, clean rooms, grey rooms, pressurisation of rooms and humidity treatment.
Sanitary services & water quality
Plumbing, descaling, water softener, boiler installation, demineralisation, production of ultrapure water and wastewater treatment.
Bathroom
Creation and renovation of bathrooms, water supply connection, installation of a water softener, selection of tiles and coordination of the work with other trades.
Trust & reputation

ranQ Trust Score of Winkenbach SA: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Winkenbach SA scores 77.4 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.65.024%
  • 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.93.210%
  • 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%
Winkenbach SA 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%
Winkenbach SA 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%
Winkenbach SA scores 62.9 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 35.62.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Winkenbach SA reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.3 out of 5 stars from 38 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
4.3
of 5

Aggregated from 38 reviews across all connected sources

Sources
GGoogle4.338
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Allée du Laser 9
2300 La Chaux-De-Fonds
Opening hours
Mon
07:30 - 11:45, 13:00 - 17:00
Tue
07:30 - 11:45, 13:00 - 17:00
Wed
07:30 - 11:45, 13:00 - 17:00
Thu
07:30 - 11:45, 13:00 - 17:00
Fri
07:30 - 11:45, 13:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-109.908.946
Founded
2002 · 24 years
Last commercial register change
June 24, 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.
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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