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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceStäfaW. Stecher AG
W. Stecher AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is the provision of services in the field of sanitary and heating technology, including installations, service, consulting, renovations and repairs. Specifically, this includes: sanitary installations, sanitary service and consulting, heating installations, heating service and consulting, heating renovations, installation and service of heat pumps, and bathroom and shower renovations. The company thus offers a comprehensive range of services for sanitary and heating technology.

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Offering

Products & services

Industry:Building Maintenance
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4.2/5

W. Stecher AG

Plumbing & Building Services
✓ Offered7
Heating installations
Heating installations for new builds and renovations, advice and planning, underfloor heating for partial or complete refurbishments, radiators, thermostatic valves and smart-home solutions.
Heat pumps
Advice, calculations and planning of heat-pump systems, installation of heat pumps as well as construction planning and coordination of the trades involved.
Heating service & advice
Troubleshooting and rectification, repairs, maintenance, replacement of circulation pumps and radiators, flushing and bleeding of underfloor heating, maintenance contracts.
Heating refurbishments
Advice and planning for refurbishments, ground-source/air and water heat pumps, gas and oil boilers, solar systems, wood boiler systems as well as construction planning and coordination of tradespeople.
Plumbing installations
Installation in new builds and renovations, kitchen connections, water softening systems, food-centre connections, connections for washing machines and tumblers as well as rainwater use.
Plumbing service & advice
Leak detection and repair, 3D bathroom planning, building drying, descaling, boiler service, maintenance agreements, installation checks and filter maintenance.
Bathroom & shower
Advice and planning, installation in new builds and renovations, bathroom and shower refurbishments, steam showers, rain showers and complete solutions from one source.
Trust & reputation

ranQ Trust Score of W. Stecher AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

W. Stecher AG scores 69.7 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.69.424%
  • 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.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.88.08%
W. Stecher 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%
W. Stecher AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
W. Stecher AG scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

W. Stecher AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.5 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
4.5
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle4.58
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Grundstrasse 16a
8712 Stäfa
Opening hours
Mon
07:15 - 17:00
Tue
07:15 - 17:00
Wed
07:15 - 17:00
Thu
07:15 - 17:00
Fri
07:15 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-116.337.612
Founded
2010 · 16 years
Last commercial register change
April 30, 2021
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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