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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryCrafts & TradesAir conditioningStansNiedermann HLK AG
Niedermann HLK AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Niedermann HLK AG plans, installs and maintains heating, ventilation and air-conditioning systems. The company provides heating solutions for different energy sources and carries out ventilation and air-conditioning projects for residential, commercial and office buildings.

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Service area

Offering

Products & services

Industry:Air conditioning
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4.0/5

Niedermann HLK AG

Heating installer
✓ Offered3
Heating
Planning, installation and maintenance of heating systems for new-build and existing buildings; heat pumps, air-to-water, brine-to-water and water-to-water heat pumps, oil, wood, gas and district heating systems.
Ventilation / Air conditioning
Planning, installation and maintenance of ventilation and air-conditioning systems; controlled ventilation for apartments, cellars and garages, as well as air-conditioning systems for residential and work rooms.
24-hour service
Emergency service around the clock for faults and urgent call-outs in the areas of heating, ventilation and air conditioning.
Trust & reputation

ranQ Trust Score of Niedermann HLK AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 100% · As of November 2026

Niedermann HLK AG scores 59.3 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.75.024%
  • 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.40.910%
  • 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.35.08%
Niedermann HLK AG scores 91.8 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.92.512%
  • 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%
Niedermann HLK AG scores 88.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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).88.322%
Niedermann HLK AG scores 10.5 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 35.14.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.6.74%
Qualifications+0.00

Niedermann HLK AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 4 customer reviews. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

May 4, 2024Media
Buochs: Heizungsersatz für die Sportanlagen Seefeld SCB
nau.ch

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Location

Fronhofenstrasse 10
6370 Stans

At a glance

Legal form
Corporation
UID
CHE-170.950.321
Founded
2014 · 12 years
Last commercial register change
March 30, 2026
Employees
21 to 50

Active in 2 of 26 cantons

  • NWNidwalden
  • OWObwalden
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.95.03%
    • Full methodology

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