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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryRetail & CommerceOpticianSionOptiSion Sàrl
OptiSion Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

OptiSion Sàrl is an optical retailer offering prescription and designer glasses as well as contact lenses. Its services include eye examinations, contact lens fitting and measurements for customised lenses.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Optician
✓ Offered6
Designer eyeglasses
Optical and solar frames by designers, with a wide choice of collections and brands, in-store in Sion.
Contact lenses
Post-operative lenses, orthokeratology, progressive lenses and scleral lenses, with fitting and follow-up at the optical centre.
Glasses measurement and customisation with DNEye® Scanner
Biometric eye measurement, comprehensive visual screening and data integration into the manufacture of custom lenses.
3D measurement with ImpressionIST®
3D photo/video measuring column to determine the correct glasses positioning and manufacture custom lenses.
Custom progressive lenses Impression B.I.G. Exact Sensitive
Custom progressive lenses with clear vision at all distances and visual comfort, based on measurements from the DNEye® Scanner.
Optometry
Visual disorders and eye conditions, with information content and guidance towards vision and eye health problems.
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4.4/5

OptiSion Sàrl

Trust & reputation

ranQ Trust Score of OptiSion Sàrl: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of November 2026

OptiSion Sàrl scores 86.7 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.90.524%
  • 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.84.710%
  • 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.78.08%
OptiSion Sàrl scores 83.0 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%
OptiSion Sàrl scores 86.7 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).86.722%
OptiSion Sàrl scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

OptiSion Sàrl reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 27 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 27 reviews across all connected sources

Sources
GGoogle527
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Rue de la Porte-Neuve 28
1950 Sion
Opening hours
Mon
08:30 - 12:00, 13:30 - 18:30
Tue
08:30 - 12:00, 13:30 - 18:30
Wed
08:30 - 12:00, 13:30 - 18:30
Thu
08:30 - 12:00, 13:30 - 18:30
Fri
08:30 - 12:00, 13:30 - 18:30
Sat
08:30 - 12:00, 13:30 - 17:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-112.448.448
Founded
2005 · 21 years
Last commercial register change
July 2, 2021
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • VSSion
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.
88.0
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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