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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryArts, Culture & RecreationCultural & Educational OrganizationsZurichAndrea Luchhau design
Andrea Luchhau design Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Andrea Luchhau design provides jewellery design, repairs, custom-made pieces and alterations, as well as engraving, laser work and 3D services. The company also offers courses and workshops in jewellery making.

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Products & services

Industry:Cultural & Educational OrganizationsJewelry & Precious Metal Manufacturing
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Andrea Luchhau design

Retail - Watches & Jewelry
✓ Offered8
Jewellery Design and Custom Making
Custom-made jewellery, personal consultation and individual creations with sustainable materials; including timeless designs for necklaces, rings, earrings and bracelets.
Jewellery Repair and Care
Ring resizing, chain and clasp repairs, stone replacement and resetting, cleaning, refreshing, restringing pearl necklaces and surface treatments.
Engraving for Jewellery and Watches
Personalised engravings on precious metals, wedding and engagement rings, logo and symbol engravings, gifts, watches, renewal of old engravings, hand engraving and laser engraving.
3D Jewellery Design and Prototyping
Custom jewellery designs with 3D modelling, 3D prototypes, 3D renderings, 3D design for stone settings and 3D printing of jewellery prototypes.
Jewellery Remodelling
Remodelling of old jewellery pieces into new, modern designs with individual customisation and a sustainable approach.
Gold Purchase
Purchase of jewellery, coins and scrap gold with transparent valuation and a straightforward sales process.
Goldsmithing Courses and Workshops
Courses for all levels, including wedding ring courses, weekly goldsmithing classes and workshops on cuttlebone casting and sand casting.
Shared Jewellery Workspace
Personal, independent workstations for jewellery designers, plus options for workshops and pop-up stores.
Trust & reputation

ranQ Trust Score of Andrea Luchhau design

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

Andrea Luchhau design 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%
Andrea Luchhau design scores 46.3 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.25.012%
  • 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%
Andrea Luchhau design 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%
Andrea Luchhau design 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.

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Location

Hirschengraben 1
8001 Zurich

At a glance

Legal form
Sole proprietorship
UID
CHE-468.500.312
Founded
2025 · 1 year
Last commercial register change
December 19, 2025
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.
67.0
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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