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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesIndustrial & Product DesignZurichSchlüsselburg - PlusMinusNullDesigner
Schlüsselburg - PlusMinusNullDesigner Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Schlüsselburg - PlusMinusNullDesigner is a sole proprietorship that offers a curated selection of jewelry, watches, and selected design items. Its focus is on consciously chosen pieces with timeless design.

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Offering

Products & services

Industry:Industrial & Product DesignOnline ShopsRetail - General Specialty Trade
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Schlüsselburg - PlusMinusNullDesigner

Retail - Watches & Jewelry
✓ Offered2
Jewelry
Jewelry in stainless steel, gold-plated steel, polymer clay and zircon; necklaces, drop earrings and earrings in various designs and editions.
Watches
Watches in stainless steel with 40 mm cases, some with sapphire crystal, in black, gold and two-tone variants.
Trust & reputation

ranQ Trust Score of Schlüsselburg - PlusMinusNullDesigner

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Website authority, Media authority

Data basis 50% · As of October 2026

Schlüsselburg - PlusMinusNullDesigner 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%
Schlüsselburg - PlusMinusNullDesigner scores 35.6 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.0.012%
  • 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%
Schlüsselburg - PlusMinusNullDesigner scores 83.3 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).83.322%
Schlüsselburg - PlusMinusNullDesigner has no value in the Visibility area of the ranQ Trust Score because no data is available. The area carries 8% 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
  • Website authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 50%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Website authority, Media authority. As of October 2026.

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

Knowledge

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Location

Mutschellenstrasse 54
8038 Zurich

At a glance

Legal form
Sole proprietorship
UID
CHE-274.317.488
Founded
2026 · 0 years
Last commercial register change
February 12, 2026
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.67.06%
  • 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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