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 · Imprint746,904 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumberLachen SzHans Ziegler AG
Hans Ziegler AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company is primarily active in the planning and execution of sanitary, heating and ventilation technology, as well as in the installation and maintenance of heating and cooling systems. It also offers services in the field of renewable energies.

AI-generated
Presence

Service area

Offering

Products & services

Industry:PlumberBuilding installation
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
4.4/5

Hans Ziegler AG

✓ Offered4
Heating and Cooling Technology
Heating retrofits, heat pumps, solar collectors, wood heating, heat-pump boilers, district heating connections, bivalent heating, gas/biogas heating, oil heating and controlled apartment ventilation; consulting, planning, installation and maintenance.
Ventilation and Air Conditioning Technology
Comfort ventilation, kitchen and bathroom extract systems, heat recovery systems, catering systems, ventilation systems, air conditioning systems, controlled apartment ventilation and industrial ventilation; planning, implementation, installation and service.
Sanitary Engineering
Bathroom renovations, kitchen renovations, swimming pools, wellness facilities, leak warning systems, water damage remediation, water treatment, water softening, hot-water systems, water and wastewater installations, gas installations and compressed-air systems.
Service and Maintenance
24-hour on-call service, repairs and maintenance, boiler servicing, descaling, pipe cleaning, filter changes and service subscriptions and maintenance for heating, ventilation and sanitary systems.
Trust & reputation

ranQ Trust Score of Hans Ziegler AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of November 2026

Hans Ziegler AG scores 77.7 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.68.724%
  • 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.85.610%
  • 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.95.08%
Hans Ziegler AG scores 92.3 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.82.07%
Hans Ziegler AG scores 86.7 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).86.722%
Hans Ziegler AG scores 51.4 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 35.51.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hans Ziegler AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 28 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.4
of 5

Aggregated from 28 reviews across all connected sources

Sources
GGoogle4.428
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once Hans Ziegler AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Hans Ziegler AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Hans Ziegler AG by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Hans Ziegler AG to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Sagenriet 9
8853 Lachen Sz
Opening hours
Mon
07:00 - 11:45, 13:00 - 17:00
Tue
07:00 - 11:45, 13:00 - 17:00
Wed
07:00 - 11:45, 13:00 - 17:00
Thu
07:00 - 11:45, 13:00 - 17:00
Fri
07:00 - 11:45, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.574.749
Founded
1984 · 42 years
Last commercial register change
November 29, 2024
Employees
21 to 50

Active in 1 of 26 cantons

  • SZSchwyz
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

    Similar companies

    GI
    G-Tech Installationen GmbH
    Galgenen
    SH
    Steimen Heizung Klima AG
    Wollerau
    CG
    Clitec GmbH
    Küssnacht Am Rigi
    SG
    Salisol GmbH
    Pfäffikon Sz
    WG
    WHS Gebäudetechnik GmbH
    Freienbach
    QG
    QR-Service GmbH
    Oberarth
    DH
    DR Haustechnik & Service GmbH
    Vorderthal
    GC
    GTL CONCEPTION AG
    Pfäffikon Sz