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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryRetail & CommerceRetail - Electronic DevicesLommisKUERZI Aviation AG
KUERZI Aviation AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of KUERZI Aviation AG is the development, production and maintenance of components and systems for the aerospace industry. This includes in particular: The development and production of components such as data concentrators, displays, EMS lights, power solutions and utility control units; The provision of engineering services for aircraft subsystems from OEMs (Original Equipment Manufacturers); The performance of maintenance and repair work on aircraft and components; The creation of Minor Change Approvals (MCA) and Supplemental Type Certificates (STC) for the aerospace industry. The company is active in various areas of the aerospace industry, including the development and production of components, system integration and maintenance and repair of aircraft and components.

AI-generated
Offering

Products & services

Industry:
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4.4/5

KUERZI Aviation AG

Retail - Electronic Devices
✓ Offered8
Avionics components
Development and supply of data concentrators, displays, EMS lights, power supply solutions and utility control units for aircraft systems.
Data packages for aircraft modifications
Design packages for aircraft installations, from concept through integration, testing and certification to continued airworthiness, including Minor Change Approvals and Supplemental Type Certificates.
Engineering Services
Development of aeronautical systems and subsystems for OEMs, components and items, as well as design organization across the entire product life cycle.
Production Services
Production of aeronautical components and systems under the EASA-approved production organization.
Maintenance Services
Maintenance of aeronautical components with Part 145 approval and dual release Form 1 for EASA and FAA.
Part 21J Design Organisation Approval
Design organisation for aeronautical developments with EASA approval and flight test privileges.
Part 21G Production Organisation Approval
Production organisation with EASA approval for the manufacture of aeronautical components and systems.
Part 145 Maintenance Organisation Approval
Maintenance organisation with EASA approval for maintenance and release of aeronautical components.
Trust & reputation

ranQ Trust Score of KUERZI Aviation AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

KUERZI Aviation AG scores 81.8 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.78.124%
  • 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.76.210%
  • 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%
KUERZI Aviation AG scores 90.9 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.70.07%
KUERZI Aviation 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%
KUERZI Aviation AG scores 45.7 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 35.45.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

KUERZI Aviation AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 19 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
4.7
of 5

Aggregated from 19 reviews across all connected sources

Sources
GGoogle4.719
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Flugplatz
9506 Lommis
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.983.819
Founded
1984 · 42 years
Last commercial register change
July 28, 2026
Employees
11 to 20
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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