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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringWallenwilNOIZU Akustik GmbH
NOIZU Akustik GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of NOIZU Akustik GmbH is the provision of acoustic services, particularly in the areas of: noise assessments (e.g. road, rail, air and industrial noise), sound insulation certificates, room acoustics consulting and measurement, building acoustics investigations and measurements (e.g. air-borne sound, impact sound, reverberation time), and consulting and testing of materials and constructions in terms of noise protection and acoustics. The company offers these services primarily for construction projects, renovations and new buildings, and supports customers in complying with noise protection regulations and guidelines.

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Products & services

Industry:Technical Consulting & Engineering
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3.9/5

NOIZU Akustik GmbH

✓ Offered5
Noise assessments
Noise assessments for road, rail and aircraft noise as well as machinery, industrial and shooting-range noise; including road-noise assessments according to sonROAD18, SonARMS and advice on heat pumps and ventilation systems.
Sound insulation verification
Sound insulation verifications with design proposals; official documentation for indoor and outdoor noise in accordance with SIA 181:2020 as well as consultations on indoor noise for offices and schools.
Room acoustics calculations
Calculation of the equivalent sound absorption area according to Sabine, complex simulations with Odeon Room Acoustic Software and advice on materials and structures.
Building acoustics measurements
Airborne and impact sound measurements according to SIA 181, reverberation time measurements, internal and external noise measurements, as well as investigations and identification of weak points using sampling measurements.
Advisory services and construction acceptances
Review of workshop drawings, structural checks, material proposals and shell controls; checking resilient mountings and building services installations up to the acceptance measurement.
Trust & reputation

ranQ Trust Score of NOIZU Akustik GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

NOIZU Akustik GmbH scores 72.8 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.79.424%
  • 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.52.910%
  • 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.78.08%
NOIZU Akustik GmbH scores 61.5 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.50.012%
  • 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%
NOIZU Akustik GmbH 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%
NOIZU Akustik GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

NOIZU Akustik GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 7 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
5
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle57
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Nelkenweg 1
8360 Wallenwil
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
Limited Liability Company
UID
CHE-325.625.488
Founded
2023 · 3 years
Last commercial register change
August 28, 2026
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.
88.0
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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