ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Partner program
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesJonaA. Winiger Sanitäre Anlagen GmbH
A. Winiger Sanitäre Anlagen GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of A. Winiger Sanitäre Anlagen GmbH is the planning, installation, maintenance and repair of sanitary systems in new and renovation projects, for both private homeowners and large customers. This includes, in particular, the creation of sanitary installations, the performance of regular maintenance work and the provision of emergency services. In addition, the company also offers renovation management services, where it coordinates various specialist trades such as painting, tiling, electrical, plastering and masonry.

AI-generated
Offering

Products & services

Industry:Plumbing & Building ServicesSolar & Photovoltaics
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
4.2/5

A. Winiger Sanitäre Anlagen GmbH

✓ Offered5
Sanitary installations
Planning and installation of all sanitary facilities in new builds and renovations, including kitchen installations, bathroom renovations, delivery and fitting, as well as gas lines.
Service and repairs
Repairs and servicing of appliances, fittings, WC systems and water heaters; replacement of fittings, cleaning of household water filters, drain cleaning and unblocking.
Boiler maintenance
Regular descaling, cleaning and inspection of boilers; replacement of protective anodes, seals and safety valves as well as checking of hot water production.
Renovation management
Coordination and site management for sanitary projects with external partners; advice, planning, execution, sales and controlling all from one source.
Shower toilet / shower-toilet attachment
Delivery and consulting around Geberit AquaClean shower toilets and shower-toilet attachments, with functions for a warm water jet, adjustable temperature and hygiene benefits.
Trust & reputation

ranQ Trust Score of A. Winiger Sanitäre Anlagen GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

A. Winiger Sanitäre Anlagen GmbH scores 70.8 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.72.524%
  • 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.61.010%
  • 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.78.08%
A. Winiger Sanitäre Anlagen GmbH scores 86.7 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%
A. Winiger Sanitäre Anlagen GmbH scores 83.3 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).83.322%
A. Winiger Sanitäre Anlagen GmbH scores 42.9 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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

A. Winiger Sanitäre Anlagen GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 10 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
4.6
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle4.610
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once A. Winiger Sanitäre Anlagen GmbH has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

A. Winiger Sanitäre Anlagen GmbH in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank A. Winiger Sanitäre Anlagen GmbH by reviews, experience and specialisations.

Is this your company?

Claim the company profile of A. Winiger Sanitäre Anlagen GmbH to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Hier entsteht die Karte
Langrütistrasse 14
8645 Jona
Opening hours
Mon
07:00 - 12:00, 13:00 - 16:30
Tue
07:00 - 12:00, 13:00 - 16:30
Wed
07:00 - 12:00, 13:00 - 16:30
Thu
07:00 - 12:00, 13:00 - 16:30
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-102.992.816
Founded
1997 · 29 years
Last commercial register change
August 29, 2017
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.88.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    GA
    Geberit Apparate AG
    Jona
    SG
    Sanitär Gemperle AG
    Gossau Sg
    MH
    Mayer Haustechnik AG
    Rorschach
    IS
    InnoBAD SWISS AG
    St. Gallen
    RM
    Rolf Meier AG
    St. Gallen
    BH
    Buchegger Haustechnik GmbH
    Bazenheid
    EA
    EDU-Bad AG
    Buchs Sg
    PG
    Pargätzi GmbH
    Thal