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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesEngineerHärkingenGraf Akustik AG
Graf Akustik AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Graf Akustik AG provides consulting on room acoustics and sound reinforcement and develops acoustic concepts for a range of spaces and uses. Its services include planning and optimising loudspeaker systems, as well as planning and testing assistive listening systems.

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Service area

Offering

Products & services

Industry:Engineer
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3.9/5

Graf Akustik AG

✓ Offered4
Room Acoustics Consulting and Optimization
Acoustic concepts for new and existing buildings, measurements and 3D simulations, reverberation-time assessments, and advice on measures, products and materials for different types of rooms.
Sound Reinforcement System Planning and Optimization
Planning and simulation of loudspeaker systems, measurement and adjustment of existing systems, and consulting on speech intelligibility, signal processing and quality control.
Assistive Listening System Planning and Testing
Planning, commissioning and acceptance testing of assistive listening systems in new and existing buildings, as well as testing and optimization of existing systems; technologies include induction, infrared, FM and Bluetooth Auracast.
Speech Intelligibility Testing (STI)
STI verification for sound reinforcement, public address and voice alarm systems, including STIPA measurements and reports in accordance with the cited SN EN standards and SES guidelines.
Trust & reputation

ranQ Trust Score of Graf Akustik AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

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Data basis 54% · As of November 2026

Graf Akustik AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Graf Akustik AG scores 64.1 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
Graf Akustik AG scores 85.0 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).85.022%
Graf Akustik AG scores 13.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.13.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Graf Akustik AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of November 2026.

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

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Location

Bündenweg 15
4624 Härkingen

At a glance

Legal form
Corporation
UID
CHE-457.969.432
Founded
2023 · 3 years
Last commercial register change
April 13, 2023
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • SOHärkingen
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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