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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryMechanical Engineering IndustryVolketswilErnst Hänni AG
Ernst Hänni AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Ernst Hänni AG is precision mechanics, particularly the manufacture of prototypes, ready-to-install individual parts and small series for various industries such as aerospace, automotive, film technology, semiconductor and electronics, medical technology and pharmaceutical industry as well as mechanical engineering.

AI-generated
Offering

Products & services

Industry:Mechanical Engineering Industry
✓ Offered6
Machining production
Machining of prototypes, ready-to-install individual parts and small series; framework orders, quantity contracts and assembly of small subassemblies.
Planning and technical clarifications
Costing and quotations, design consulting, technical clarifications, work planning as well as CAD/CAM and import of volume models.
Manufacturing and complete machining
Universal milling, 5-axis machining, universal turning, Turn-&-Mill complete machining and assembly.
Additional machining and finishing services
Cylindrical and surface grinding, honing, planing, lapping, engraving, trowalizing, broaching, reaming, welding, surface treatments and heat treatments.
Material procurement
Procurement of all machinable materials with or without certificates, from stock or via suppliers.
Quality assurance
Quality management system according to EN ISO 9001:2015 with a QA officer, schedule monitoring and a cost follow-up system.
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4.2/5

Ernst Hänni AG

Trust & reputation

ranQ Trust Score of Ernst Hänni AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Ernst Hänni AG scores 70.8 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.73.324%
  • 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.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.95.08%
Ernst Hänni AG scores 89.3 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.70.07%
Ernst Hänni 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%
Ernst Hänni AG scores 8.3 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 35.8.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ernst Hänni AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 5 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
4.8
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle4.85
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Maiacherstrasse 21
8604 Volketswil
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.161.366
Founded
1974 · 52 years
Last commercial register change
July 6, 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.70.03%
    • Full methodology

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