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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryJewelry & Precious Metal ManufacturingBiel/BienneMichael Grasso MG24
Michael Grasso MG24 Logo
Verified· 3 sourcesTrust Score
Summary

About the company

MG24 is a jewelry manufacturer specializing in the production of custom-made jewelry pieces. The company's core activity is to design and manufacture individual jewelry pieces according to the wishes and ideas of its customers. To this end, the company offers a wide range of materials and stones, including precious metals such as gold, platinum, and palladium, as well as various types of gemstones. Customers can communicate their ideas and concepts to the company, which then implements them in the form of custom-made jewelry pieces.

AI-generated
Offering

Products & services

Industry:Jewelry & Precious Metal Manufacturing
✓ Offered4
Custom-made jewellery
Fully customised jewellery, from concept to 3D prototype, then casting in precious metals and hand setting of stones.
Stone setting in high jewellery
Manual stone setting on pieces in precious metals, with selection of the setting type and final placement of the stones.
Jewellery design and manufacture
Design, 3D modelling, resin prototype, casting on precious metals and finishing of one-of-a-kind pieces.
Consulting on precious materials and gemstones
Selection of precious materials and stones for the project, with options in silver, gold, palladium, platinum and different gemstones.
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3.9/5

Michael Grasso MG24

Trust & reputation

ranQ Trust Score of Michael Grasso MG24: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Michael Grasso MG24 scores 71.2 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.82.524%
  • 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.61.010%
  • 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.50.08%
Michael Grasso MG24 scores 60.5 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.58.012%
  • 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%
Michael Grasso MG24 scores 85.0 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).85.022%
Michael Grasso MG24 scores 11.4 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 35.11.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Michael Grasso MG24 reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 10 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
5
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle510
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Freiestrasse 10
2502 Biel/Bienne
Opening hours
Mon
17:00 - 19:00
Tue
15:00 - 19:00
Wed
15:00 - 19:00
Thu
17:00 - 19:00
Fri
15:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-412.845.360
Founded
2022 · 4 years
Last commercial register change
December 29, 2022
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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