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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior fit-outHenauNiedermann Holzbau AG
Niedermann Holzbau AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Niedermann Holzbau AG is a carpentry and joinery business specialising in timber construction, new builds, conversions and extensions. Its services include interior fit-outs, thermal insulation, façades, decking and renovations, as well as made-to-measure doors, windows, furniture and cupboards.

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Service area

Offering

Products & services

Industry:Interior fit-outTimber construction
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3.9/5

Niedermann Holzbau AG

✓ Offered7
Carpentry and timber construction
Carpentry and timber construction for new builds, alterations and extensions in wood, with durable structures, constructive timber protection and careful workmanship.
Custom joinery
Custom joinery for doors, windows, cabinets, furniture and special fixtures, with functional, made-to-measure wood solutions.
Interior fit-out
Interior fit-out with wooden ceilings, wall cladding, floors, stairs, windows and custom solutions for living and working spaces with a natural atmosphere.
Facade work
Wood, natural slate and Eternit facades that shape a building’s appearance, protect it from weather and contribute to energy efficiency.
Thermal insulation and insulation works
Professional insulation and thermal insulation for construction and renovation projects, including advice on options and possible subsidy contributions.
Wooden terrace decks
Wooden terrace decks planned and built as durable outdoor spaces, matched to the surroundings and customer requirements.
Renovations
Partial and full renovations with timber construction solutions for existing buildings and apartments, professionally modernised without losing the character of the structure.
Trust & reputation

ranQ Trust Score of Niedermann Holzbau AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 100% · As of November 2026

Niedermann Holzbau AG scores 58.5 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.66.724%
  • 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.45.610%
  • 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.50.08%
Niedermann Holzbau AG 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%
Niedermann Holzbau AG scores 88.3 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).88.322%
Niedermann Holzbau AG scores 17.7 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 35.28.64%
  • 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 Holzbau AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 out of 5 stars from 5 customer reviews. As of November 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 5 reviews across all connected sources

Sources
GGoogle4.45
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

August 16, 2021Media
Spannende Einblicke bei Niedermann Holzbau
wil24.ch
November 5, 2020Media
NIEDERMANN HOLZBAU AG HENAU: NEUE WERKHALLE IST AUFGERICHTET
uzwil24.ch

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Location

Felseggstrasse 45
9247 Henau
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-113.935.449
Founded
2007 · 19 years
Last commercial register change
July 17, 2009
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • SGUzwil
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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