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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesMuhenSuter + Haefeli AG
Suter + Haefeli AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Suter + Haefeli AG is the planning, installation, maintenance and repair of heating, ventilation, air conditioning and sanitary systems for private and commercial customers. The company also offers consulting services in these areas and has its own team of specialist fitters and service technicians who are available around the clock for emergencies.

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Products & services

Industry:Plumbing & Building Services
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4.3/5

Suter + Haefeli AG

6
Heating
Advice, installation, service and maintenance of heating systems; radiator installation, underfloor heating, district heating, gas, wood, oil, pellet and solar heating as well as heat pumps.
Plumbing
Advice, installation, service and maintenance in the plumbing sector; new builds, conversions, industrial buildings, public buildings, bathroom and kitchen conversions, water softening systems and rainwater use.
Ventilation | Air conditioning
Advice, installation, service and maintenance of ventilation and air-conditioning systems for residential areas, offices, commercial and industrial sites; controlled residential ventilation, commercial and industrial ventilation, air-conditioning systems.
Bathroom conversions
Planning and execution of bathroom conversions, including photorealistic bathroom planning via the Badplaner.
Kitchen conversions
Sanitary-related work for kitchen conversions, from planning to installation and service.
Maintenance and service
Service and maintenance for heating, ventilation, air-conditioning and sanitary systems; also urgent call-outs outside business hours and on 365 days a year.
Trust & reputation

ranQ Trust Score of Suter + Haefeli AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Suter + Haefeli AG scores 75.7 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.68.624%
  • 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.82.910%
  • 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%
Suter + Haefeli 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%
Suter + Haefeli 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%
Suter + Haefeli AG scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Suter + Haefeli AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 25 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
4.4
of 5

Aggregated from 25 reviews across all connected sources

Sources
GGoogle4.425
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Tannacker 30
5037 Muhen
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.875.035
Founded
1980 · 46 years
Last commercial register change
July 9, 2026
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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