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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryIndustryMechanical Engineering IndustrySteinenKKS Ultraschall AG
KKS Ultraschall AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of KKS Ultraschall AG is the development and manufacture of customized system solutions for surface finishing and ultrasonic cleaning. This includes in particular the areas of: surface cleaning and finishing, ultrasonic technology, plant engineering, engineering services, and surface treatment through mechanical, chemical and electrochemical processes. The company offers solutions for various industries, including the medical technology industry and the watch and machinery industry.

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Offering

Products & services

Industry:Mechanical Engineering Industry
✓ Offered8
Plant engineering
Customer-specific plants and systems for ultrasonic cleaning and surface treatment, including process development, plant development, design, automation, software development, assembly, commissioning and training.
Surface treatment as an outsourcing service
Surface finishing and final cleaning for implants, medical instruments and precision parts using mechanical, chemical and electrochemical processes as well as cleaning and laser marking.
Process development
Customer-specific process development and optimisation for surface finishing, with collaboration between production, research & development and the customers’ specialist experts.
Process validation
Validation of surface procedures and processes, existing validations for important procedures and customer-specific validations as required.
Quality management for medical devices
Quality management according to ISO 9001 and EN ISO 13485 with qualified systems, validated processes and standards-compliant process safety for medical devices.
Ultrasonic technology
Ultrasonic generators, ultrasonic transducers and ultrasonic technology for industrial cleaning applications with reproducible results and system integration.
Ultrasonic tanks and rinse tanks
Ultrasonic and rinse tanks for industrial ultrasonic cleaning, combinable as individual cleaning lines and supplemented with accessories.
Systems for ultrasonic cleaning
Manual and automatic cleaning systems for industrial ultrasonic cleaning, designed for high throughputs, short cycle times and qualified processes.
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4.2/5

KKS Ultraschall AG

Trust & reputation

ranQ Trust Score of KKS Ultraschall AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of October 2026

KKS Ultraschall AG scores 64.7 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.49.324%
  • 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.73.510%
  • 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%
KKS Ultraschall AG scores 94.3 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%
KKS Ultraschall 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%
KKS Ultraschall AG scores 42.4 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 35.71.44%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.13.34%
Qualifications+0.00

KKS Ultraschall AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 3.8 out of 5 stars from 17 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
3.8
of 5

Aggregated from 17 reviews across all connected sources

Sources
GGoogle3.817
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

November 23, 2022Media
Schwyzer KKS Ultraschall: Zusammenschluss und neuer Chef
luzernerzeitung.ch
September 9, 2022Media
Corona schränkt Schwyzer Firma in China immer noch ein
bote.ch
February 1, 2021Media
Robert Gnos: Freihandel nützt allen Beteiligten
swissmem.ch
September 18, 2020Media
Steiner Firma nimmt Hürden nach China
bote.ch

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Location

Frauholzring 29
6422 Steinen
Opening hours
Mon
07:30 - 11:45, 13:00 - 17:00
Tue
07:30 - 11:45, 13:00 - 17:00
Wed
07:30 - 11:45, 13:00 - 17:00
Thu
07:30 - 11:45, 13:00 - 17:00
Fri
07:30 - 11:45, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-104.848.076
Founded
1999 · 27 years
Last commercial register change
September 18, 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.70.03%
    • Full methodology

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