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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryGlass, Ceramics, Stone & Construction Materials IndustryHorgenStünzi AG
Stünzi AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Stünzi AG is the processing, sale and consulting of minerals, precious stones, fossils and stone machines. This also includes the production of stone products such as jewelry, decorative items and the implementation of stone grinding courses. In addition, the company offers repair and manufacturing services for jewelry.

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Products & services

Industry:Glass, Ceramics, Stone & Construction Materials Industry
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4.1/5

Stünzi AG

✓ Offered11
Minerals and crystals
Minerals, crystals and collectible specimens; individual mineral species from agate to zultanite, geodes, micromounts and small specimens.
Jewellery made from stone and amber
Pendants, bracelets, necklaces, rings, earrings, brooches, bolo ties and amber jewellery for children and dogs.
Cut minerals
Cut minerals in shapes such as animal figures, hearts, spheres, pyramids, eggs, shiva lingam and engravings.
Tumbled stones
Tumbled stones in many mineral varieties, sorted from agate and amethyst to zoisite with ruby.
Rough stones
Rough stones such as libyan desert glass, moldavite, shungite, tektite and tsesit.
Fossils
Fossils such as ammonites, belemnites, brachiopods, fish, trilobites, teeth and petrified wood.
Wellness and esotericism
Wellness and esoteric items such as bath salt, table salt, phone chains, ear candles, pendulums, incense goods and water stones.
Machines and accessories
Machines and accessories for stone working and care: drills, diamond bits, grinding and polishing machines, stone saws, tumbling machines, tumblers and ultrasonic devices.
Stone-carving accessories
Stone-carving accessories with hammer, pick, chisel, point chisel, carving rods, engravers and auxiliary materials.
Collector accessories
Collector accessories with metal stands, plexiglass stands, small boxes, tins and other accessories.
Books
New books as well as used and antiquarian literature on minerals, stones and collecting topics.
Trust & reputation

ranQ Trust Score of Stünzi AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Stünzi AG 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%
Stünzi AG scores 89.3 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.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.70.07%
Stünzi AG 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%
Stünzi AG scores 7.1 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 35.7.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stünzi AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

Knowledge

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Location

Steinbruchstrasse 4
8810 Horgen

At a glance

Legal form
Corporation
UID
CHE-106.980.114
Founded
1970 · 56 years
Last commercial register change
September 2, 2010
Employees
11 to 20
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.
100.0
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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