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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryChemical IndustryGümligenOptical Additives GmbH
Optical Additives GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Optical Additives GmbH is the development and supply of optical additives, in particular raw materials and ZeoFRET, which are used to improve optical properties in mass productions. In addition, the company offers services such as quality assurance, product development, production consulting and project management for the development of new products.

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Offering

Products & services

Industry:Chemical Industry
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4.1/5

Optical Additives GmbH

✓ Offered3
ZeoFRET® additive for transparent polymers
Additive for transparent polymers for light harvesting and conversion into electrical energy; suitable for casting or coating surfaces and housings.
Light energy conversion with ZeoFRET®
Solutions for converting light into electricity with colour- and shape-flexible surfaces; designed for a smaller number of solar cells, diffuse light and partial shading.
Coating and incorporation in plastic and glass surfaces
Use as a material for producing or coating transparent plastics and mineral glasses; for device housings, solar applications, windows, façades and other surfaces.
Trust & reputation

ranQ Trust Score of Optical Additives GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Optical Additives GmbH 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%
Optical Additives GmbH 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%
Optical Additives GmbH scores 83.3 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).83.322%
Optical Additives GmbH scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Optical Additives GmbH 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 October 2026.

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

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Location

Flurweg 5
3073 Gümligen

At a glance

Legal form
Limited Liability Company
UID
CHE-112.757.808
Founded
2006 · 20 years
Last commercial register change
July 13, 2012
Employees
1 to 10
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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