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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryJewelry & Precious Metal ManufacturingWinterthurMOJO design GmbH
MOJO design GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company mojo design is a jewelry manufacturer specializing in the production of individual, sustainable, and fair jewelry pieces. The core activities include: The production of jewelry pieces such as wedding rings, engagement rings, necklaces, earrings, and other types of jewelry; The conduct of jewelry workshops where customers can forge their own jewelry pieces; The reworking of old jewelry into new pieces; The appraisal of jewelry and precious stones; The repair of jewelry; The purchase of old gold; The engraving of jewelry; and The performance of ear piercing. The company places great emphasis on sustainability, fairness, and social responsibility, and therefore uses exclusively certified, sustainable materials and produces in a climate-neutral manner.

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Offering

Products & services

Industry:Jewelry & Precious Metal Manufacturing
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4.6/5

MOJO design GmbH

Retail - Watches & Jewelry
✓ Offered11
Custom wedding rings
Individually forged wedding rings made from Fairtrade gold or recycled gold, with advice, a 3D configurator, handcrafted production in Winterthur and, on request, self-forging.
Custom engagement rings
Individually made engagement rings according to your own ideas, with no-obligation advice, sketches or a 3D model, and handcrafted execution in the workshop.
Custom jewellery
Custom jewellery made according to customer specifications, with advice, sketches or a 3D model, production in the workshop and working with material brought along such as gold or gemstones.
Reworking jewellery
Reworking existing jewellery into new pieces, with advice, addition, remelting, reuse of gemstones and an optional workshop.
Jewellery repair
Repairs and checks for fine jewellery in our own workshop, such as ring size adjustments, soldering, new clasps, shortening or lengthening chains, and restringing pearl necklaces.
Jewellery and watch engraving
Engraving of jewellery, watches and other items by hand engraving or laser engraving, including names, handwriting, logos, fingerprints and fine lettering.
Buy scrap gold and jewellery
Buying gold, silver, platinum, palladium, jewellery, coins and dental gold at the daily rate, with free initial inspection, payout or voucher and a postal service.
Get jewellery appraised
Appraisals and value assessments for jewellery and gemstones, including authenticity check, replacement value estimate, liquidation value and support with inheritances or insurance.
Gemstone identification
Identification of faceted and cabochon-cut gemstones in our own gemmological laboratory using a Raman spectrometer; more difficult stones are referred to external labs.
Forge wedding rings yourself
Guided jewellery workshop for self-forging wedding rings or engagement rings in the workshop, with advice, instruction by goldsmiths and subsequent finishing.
Ear piercing
Ear piercing with the Studex system in Winterthur, with sterile handling, first studs, appointment scheduling and a silent procedure.
Trust & reputation

ranQ Trust Score of MOJO design GmbH: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 96% · As of October 2026

MOJO design GmbH scores 94.6 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.92.324%
  • 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.100.010%
  • 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.95.08%
MOJO design GmbH scores 83.0 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.100.012%
  • 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%
MOJO design GmbH 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%
MOJO design GmbH scores 94.3 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 35.94.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

MOJO design GmbH reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.9 out of 5 stars from 102 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
4.9
of 5

Aggregated from 102 reviews across all connected sources

Sources
GGoogle4.9102
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Neugutstrasse 5
8400 Winterthur
Opening hours
Mon
Closed
Tue
10:00 - 18:00
Wed
10:00 - 18:00
Thu
10:00 - 18:00
Fri
10:00 - 18:00
Sat
09:00 - 16:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-112.324.013
Founded
2005 · 21 years
Last commercial register change
September 24, 2012
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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