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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryIndustryMedical technology manufacturerKüsnacht ZhLang-Stereotest AG
Lang-Stereotest AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Lang-Stereotest AG develops and distributes examination devices for assessing spatial and binocular vision. Its products include glasses-free stereo tests for early detection of vision disorders and fixation aids for eye examinations.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Medical technology manufacturer
✓ Offered6
LANG-STEREOTEST® I-R
Glasses-free random-dot stereotest for binocular diagnostics, in particular for screening stereopsis disorders in children and adults.
LANG-STEREOTEST® II-R
Supplementary glasses-free random-dot stereotest for binocular diagnostics and screening stereopsis disorders according to the same principle.
LANG-STEREOPAD®
Glasses-free test with random dots and a cylindrical grating surface for screening and assessment of stereopsis, especially in preverbal children; determination of the stereothreshold.
LANG-Fixation cubes white/red
Fixation aid for assessing eye fixation, motility, accommodation and convergence, as well as for the cover test and for preparing for the stereotest and stereopad.
LANG-Fixation rods
Fixation aid for assessing eye fixation, motility, accommodation and convergence, for the cover test, and for preparing for the stereotest and stereopad.
Dealer sales, distribution and shipping
Worldwide distribution network with dealer and online shop sales in numerous countries, including consulting for distribution partners and regional distributors.
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4.1/5

Lang-Stereotest AG

Trust & reputation

ranQ Trust Score of Lang-Stereotest AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Lang-Stereotest 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%
Lang-Stereotest AG scores 85.5 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.55.07%
Lang-Stereotest 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%
Lang-Stereotest AG scores 74.3 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 35.74.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Lang-Stereotest AG reaches a ranQ Trust Score of 4.1 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

Obere Heslibachstrasse 8
8700 Küsnacht Zh

At a glance

Legal form
Corporation
UID
CHE-104.461.286
Founded
1998 · 28 years
Last commercial register change
October 29, 2024
Employees
1 to 10

Active in 1 of 26 cantons

  • ZHZurich
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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