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

About the company

The core activity of Niedermann AG is the planning and construction of high-quality building technology systems, particularly sanitary and heating systems, as well as the execution of bathroom renovations and heating system upgrades.

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Offering

Products & services

Industry:Plumbing & Building Services
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Niedermann AG

✓ Offered6
Consulting and Planning
Consulting and planning for building services systems, considering feasibility, costs, environmental impact, cantonal energy law and subsidies through implementation and final acceptance.
Sanitary Installations
Planning, construction and installation of sanitary systems for single- and multi-family homes, commercial, industrial and sports buildings, plus water treatment, descaling, gas installations and irrigation systems.
Heating Systems
Heating systems for new builds, refurbishments and conversions, with heat pumps, wood heating, district heating and oil or gas heating, including consulting and system selection.
Bathroom Planning and Construction
Tailor-made bathroom concepts with planning, visualisation, material and product selection, execution planning, trades coordination, handover and user briefing.
Climate Systems (KlimaWelten)
Consulting, planning, implementation and maintenance for heating systems, especially system selection, feasibility, costs, environmental aspects and subsidies.
Service, Maintenance and Upkeep
Service, maintenance and upkeep for sanitary and heating systems, including inspections, boiler descaling, filter cleaning, pipe cleaning, repairs and service contracts.
Trust & reputation

ranQ Trust Score of Niedermann AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Niedermann AG scores 83.9 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.76.424%
  • 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.88.910%
  • 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.100.08%
Niedermann AG scores 95.9 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.90.07%
Niedermann 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%
Niedermann AG scores 60.0 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 35.60.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Niedermann AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.6 out of 5 stars from 32 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
4.6
of 5

Aggregated from 32 reviews across all connected sources

Sources
GGoogle4.632
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Langgasse 53
6340 Baar
Opening hours
Mon
07:00 - 11:50, 13:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 11:50, 13:00 - 17:00
Thu
07:00 - 11:50, 13:00 - 17:00
Fri
07:00 - 11:50, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.922.393
Founded
1974 · 52 years
Last commercial register change
March 25, 2026
Employees
51 to 100
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.85.03%
    • Full methodology

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