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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today

DirectoryBusiness & Technical ServicesOther Service IndustriesZurichGradation GmbH

Verified· 2 sourcesTrust Score

Summary

About the company

The core activity of Gradation is the planning and design of lighting concepts for architecture, museums and exhibitions.

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Gradation GmbH

Products & services

Industry:Other Service Industries

✓ Offered7

Lighting design

Architectural lighting design, museum and exhibition lighting, daylight planning, advisory and second opinion, sustainability and energy planning, as well as private inspections.

Museum and exhibition lighting

Lighting design for permanent and temporary exhibitions, focused on objects, visitors, and balancing presentation and conservation.

Architectural lighting design

Custom lighting concepts for interiors and architecture, from concept and planning through tendering to commissioning.

Daylight planning

Advisory and planning for interior spaces with daylight, considering the European standard EN 17037 and the available light quality.

Advisory and second opinion

Advisory for architects, designers, users and clients on optimal lighting for interior spaces, as well as independent reviews of existing lighting concepts.

Sustainability and energy planning

Lighting design according to relevant energy and certification standards such as EN 111, Minergie and LEED, focused on need-based use of light.

Private inspections

Private lighting inspections and tests to meet statutory energy requirements, from the planning phase to verification.

Trust & reputation

ranQ Trust Score of Gradation GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Gradation 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%

Gradation GmbH scores 74.1 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.79.212%
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%

Gradation 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%

Gradation GmbH scores 10.3 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 35.10.34%
Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

Qualifications+0.00

Gradation 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.

Knowledge

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Location

Am Wasser 87

8049 Zurich

At a glance

Legal form: Limited Liability Company
UID: CHE-360.679.945
Founded: 2018 · 8 years
Last commercial register change: November 24, 2023
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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