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
DirectoryFinance & InsuranceHolding CompaniesAu SgHWT Haus- und Wassertechnik Holding AG
HWT Haus- und Wassertechnik Holding AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

HWT Haus- und Wassertechnik Holding AG provides sanitary, heating and water-supply engineering services, including installation, maintenance and technical planning. The company’s activities also include swimming-pool maintenance, pipeline construction and production of settlement water structures from plastic at its plastics workshop.

AI-generated
Offering

Products & services

Industry:Holding Companies
✓ Offered
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
4.1/5

HWT Haus- und Wassertechnik Holding AG

7
Building services
Sanitary installations, heating systems, domestic hot-water preparation and maintenance for new builds, conversions and renovations; from consultation and installation to ongoing maintenance.
Bathroom renovations
Bathroom planning and refurbishment with 3D visualisation, organisation of the renovation works and coordination of the trades involved.
24-hour emergency service
24-hour emergency service for flooding, burst pipes and blocked toilets; deployed by service installers also outside office hours, Saturdays and Sundays.
Specialist planning
Design and implementation of building-technology systems using engineering software; project management from A to Z for energy-efficient and sustainable solutions.
Pipeline construction
Pipeline construction for gas, water, wastewater and double-wall pipes as well as inner pipes; nationwide execution by trained fitters and welders.
Swimming pool construction
Planning, construction, renovation and maintenance of swimming pool facilities; from prefabricated basins to complex systems with cover, remote control and water treatment.
Plastic works
Manufacture of plastic civil structures for the drinking-water supply; custom-made PP structures from our own production.
Trust & reputation

ranQ Trust Score of HWT Haus- und Wassertechnik Holding AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

HWT Haus- und Wassertechnik Holding AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
HWT Haus- und Wassertechnik Holding AG scores 74.8 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.75.012%
  • 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%
HWT Haus- und Wassertechnik Holding AG 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%
HWT Haus- und Wassertechnik Holding AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

HWT Haus- und Wassertechnik Holding AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

Knowledge

No knowledge articles yet

Once HWT Haus- und Wassertechnik Holding AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

HWT Haus- und Wassertechnik Holding AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank HWT Haus- und Wassertechnik Holding AG by reviews, experience and specialisations.

Is this your company?

Claim the company profile of HWT Haus- und Wassertechnik Holding AG to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Industriestrasse 26
9434 Au Sg

At a glance

Legal form
Corporation
UID
CHE-213.618.877
Founded
2019 · 7 years
Last commercial register change
December 6, 2019
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.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    MK
    Marty Konstrukt AG
    Azmoos
    RW
    Ralph Weber Holding AG
    Kirchberg Sg
    SH
    STUTZ Holding AG
    St. Gallen
    PG
    Plättli Ganz Baumaterial Holding AG (PGB)
    St. Gallen
    BI
    Bruderer Immobilien Holding AG
    St. Gallen
    BH
    Brühwiler Holding AG
    Oberbüren
    PH
    Peterer Holding AG
    Steinach
    HH
    Hälg Holding AG
    St. Gallen