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 · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesPrattelnIssler AG Heizungs- und Sanitärtechnik
Issler AG Heizungs- und Sanitärtechnik Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company Issler AG is a craft business specializing in the areas of bathroom, heating, renovation and service. The core activity of the company consists of planning, executing and maintaining bathroom and heating systems, as well as carrying out renovation and refurbishment work.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered5
Bathroom renovation
Bathroom renovations with planning, coordination and execution from a single source; complete renovation, partial refurbishment, barrier-free bathrooms and bathroom planning.
Heating system modernisation
Heating system modernisation with advice, energy concept, planning and professional implementation; heat pumps, hybrid heating systems, solar energy and pellet heating systems.
Living space renovation
Renovations of living space for houses and apartments; refurbishment of older buildings, attic conversion, conversions and renovation with coordination of all trades.
Industrial & building technology
Building services for commercial and industrial clients; HVAC and sanitary, building automation, planning, coordination, installation as well as maintenance and servicing.
Customer service for heating and sanitary systems
Customer service for heating and sanitary systems; maintenance, servicing, repair and fault rectification with quick on-site response.
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
3.9/5

Issler AG Heizungs- und Sanitärtechnik

Trust & reputation

ranQ Trust Score of Issler AG Heizungs- und Sanitärtechnik: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Issler AG Heizungs- und Sanitärtechnik scores 53.6 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.47.224%
  • 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.70.08%
Issler AG Heizungs- und Sanitärtechnik 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%
Issler AG Heizungs- und Sanitärtechnik 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%
Issler AG Heizungs- und Sanitärtechnik scores 45.7 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 35.45.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Issler AG Heizungs- und Sanitärtechnik reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 3.5 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
3.5
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle3.58
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once Issler AG Heizungs- und Sanitärtechnik has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Issler AG Heizungs- und Sanitärtechnik in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Issler AG Heizungs- und Sanitärtechnik by reviews, experience and specialisations.

Is this your company?

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

Secure profile

Location

Rheinstrasse 81
4133 Pratteln
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.702.041
Founded
1990 · 36 years
Last commercial register change
November 20, 2025
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

    AS
    Aquatech Sanitär GmbH
    Pratteln
    SG
    Sanexpert GmbH
    Duggingen
    HA
    Heizwert AG
    Münchenstein
    DH
    DHF Haustechnik GmbH
    Frenkendorf
    GH
    Geier Haustechnik GmbH
    Allschwil
    HH
    HR Haustechnik, Hrskanovic
    Birsfelden
    HH
    HR Haustechnik GmbH
    Birsfelden
    G&
    Gschwind & Spiegel Haustechnik AG
    Therwil