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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryAssociations & Interest GroupsProfessional & Trade AssociationsOltenSchweizer Licht Gesellschaft SLG
Schweizer Licht Gesellschaft SLG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of the company Schweizer Licht Gesellschaft (SLG) is the promotion and dissemination of knowledge and competence in the field of light and lighting. This includes: The organization of continuing education events and courses for professionals; The awarding of prizes for outstanding lighting solutions (Prix Lumière); The provision of information and expertise on light and lighting; The support of members through exclusive offers and services; The organization of events and conferences on the topic of light and lighting. Overall, the core activity of the company can be described as a competence center for light and lighting, focusing on the promotion of knowledge, competence and innovation in this field.

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Products & services

Industry:Professional & Trade Associations
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Schweizer Licht Gesellschaft SLG

✓ Offered8
Continuing education
Practice-oriented professional courses, modular programs and professional examinations for lighting designers, lighting specialists and European Lighting Expert ELE.
Events
Specialist conferences, courses and industry events on indoor and outdoor lighting, including energylight day, Aussenbeleuchtungstagung and JEI.
Lighting knowledge
Knowledge platform with SLG guidelines, standards, guides, information sheets and technical articles on lighting, lighting control, daylight, emergency lighting and sustainability.
Industry directory
Industry directory for lighting experts and companies in the lighting industry with profiles and further links for networking.
Specialist groups
Specialist groups on sports facilities, indoor lighting, light emissions, light measurement technology, lighting controls, emergency lighting, public lighting and tunnel lighting.
Funding programme
Lightbank funding programme for the renovation of lighting systems in buildings, indoor and outdoor areas and on sports grounds.
Prix Lumière
Competition and award for outstanding lighting solutions with a special link between lighting design, lighting quality and architecture.
Job board
Job board for jobs in the lighting and lighting industry, publishing job advertisements for members and non-members.
Trust & reputation

ranQ Trust Score of Schweizer Licht Gesellschaft SLG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 58% · As of October 2026

Schweizer Licht Gesellschaft SLG 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.
x
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%
Schweizer Licht Gesellschaft SLG scores 68.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.64.612%
  • 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%
Schweizer Licht Gesellschaft SLG 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%
Schweizer Licht Gesellschaft SLG scores 55.0 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Schweizer Licht Gesellschaft SLG 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 58%, 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.

Press

Media

June 30, 2022Media
Lichtplanung bedeutet nicht, nachträglich ein paar Leuchten aufzuhängen
espazium.ch
September 14, 2020Media
Interview mit Daniel Tschudy, Geschäftsführer Schweizer Licht Gesellschaft
espazium.ch
September 20, 2019Media
«Normwerte sind der kleinstmögliche Kompromiss»
hochparterre.ch

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Location

Römerstrasse 7
4600 Olten

At a glance

Legal form
Association
UID
CHE-103.748.644
Founded
2021 · 5 years
Last commercial register change
August 28, 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.73.06%
  • 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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