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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryMedical Technology IndustrySchlierenVON HOFF AG
VON HOFF AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of VON HOFF AG is the development, manufacture and distribution of medical devices and instruments for ophthalmology, particularly for diagnostics and surgery. The company offers a wide range of products, including refraction units, diagnostic devices, surgical instruments and accessories for ophthalmologists, eye surgeons and opticians. In addition, the company also provides services such as technical support, consulting, planning, training and maintenance for its products.

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Offering

Products & services

Industry:Medical Technology Industry
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VON HOFF AG

✓ Offered
11
Ophthalmology devices
Ophthalmology devices for diagnostics, surgery, practice facilities, the workshop and optical retail; devices and solutions for ophthalmologists, eye surgeons and opticians.
Ophthalmic surgery products
Products for cataract, retina, glaucoma and corneal surgery; including lasers, instruments, viscoelastics, tamponades and intraoperative aids.
Diagnostic devices for ophthalmology
Diagnostics for refraction, cataract, retina, glaucoma and cornea; including accessories, fundus cameras, OCT, tonometers, topographers and perimeters.
Practice facilities
Refraction units and practice facilities for the eye practice; including Zuhnemer-, Oculus- and Yuratek refraction units as well as examination units and tables.
Workshop equipment
Edge finishing machines, edging/ mounting and centering systems, industrial systems and accessories for the optical workshop.
Opticianry equipment
Equipment for the refraction room, cornea, retina, refraction and myopia; devices and systems for optician shops and refraction.
Technical support
Quick help with faults and problems on devices in the practice, OR and specialist store; technician support up to restart and commissioning.
Maintenance of devices and instruments
Regular maintenance, inspections and preventive measures for devices and instruments; to ensure long service life, precision and reduced downtime.
Consulting and project planning
Consulting and planning for practice facilities, OR technology and the expansion of specialist stores; guidance during planning and implementation.
Training and further education
Practice-oriented training and continuing education programmes for teams in the practice, OR and specialist store; support for handling technology and devices.
IOL calculation service
Calculation service for intraocular lenses; support for the precise determination of IOLs for eye surgery.
Trust & reputation

ranQ Trust Score of VON HOFF AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

VON HOFF AG scores 65.9 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.75.024%
  • 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.40.910%
  • 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.70.08%
VON HOFF AG scores 92.3 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.82.07%
VON HOFF 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%
VON HOFF AG scores 68.6 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 35.68.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

VON HOFF AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 4 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 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rütistrasse 16
8952 Schlieren
Opening hours
Mon
08:00 - 12:00, 13:00 - 18:00
Tue
08:00 - 12:00, 13:00 - 18:00
Wed
08:00 - 12:00, 13:00 - 18:00
Thu
08:00 - 12:00, 13:00 - 18:00
Fri
08:00 - 12:00, 13:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.822.831
Founded
1979 · 47 years
Last commercial register change
August 31, 2026
Employees
21 to 50
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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