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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryIndustryJewelry & Precious Metal ManufacturingBözbergUNIQUE OPALS Thomas Frei
UNIQUE OPALS Thomas Frei Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of UNIQUE OPALS is the procurement, processing and sale of natural Australian opals and opal jewelry. This includes self-mining of opals, direct sourcing of rough stones from other mines, processing of the stones in our own lapidary shop in Switzerland and the manufacture of jewelry pieces. Sales are mainly made through an online shop.

AI-generated
Offering

Products & services

Industry:Jewelry & Precious Metal Manufacturing
✓ Offered4
Natural Australian opals
Natural Australian opals in various types, including loose opal stones, crystal opals, black opals, semi-black opals, light opals, Ethiopian Welo opals and boulder opals.
Opal jewellery
Opal jewellery, in particular opal pendants, opal rings, opal earrings, as well as jewellery in 925 silver, 9k & 14k gold and gold-tone jewellery.
Opal setting and jewellery making
Setting loose opals into jewellery pieces on request, as well as partial own production of jewellery made from cut cabochons.
Opal valuation
Opal valuation according to criteria such as brilliance of fire, body tone, transparency, colour, pattern and weight; notes on pricing determination and valuation software.
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4.0/5

UNIQUE OPALS Thomas Frei

Trust & reputation

ranQ Trust Score of UNIQUE OPALS Thomas Frei: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

UNIQUE OPALS Thomas Frei scores 71.1 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.74.424%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.49.510%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.88.08%
UNIQUE OPALS Thomas Frei scores 65.7 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.70.212%
  • 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%
UNIQUE OPALS Thomas Frei scores 85.0 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).85.022%
UNIQUE OPALS Thomas Frei scores 4.3 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 35.4.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

UNIQUE OPALS Thomas Frei reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 out of 5 stars from 6 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.86
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Husacherweg 9
5225 Bözberg

At a glance

Legal form
Sole proprietorship
UID
CHE-115.271.755
Founded
2020 · 6 years
Last commercial register change
November 17, 2020
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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