ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryJewelry & Precious Metal ManufacturingHorgenBruno Troller AG
Bruno Troller AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is the manufacture and sale of jewelry pieces, particularly with diamonds and other precious stones, as well as consulting and creating custom-made jewelry pieces according to customer specifications.

AI-generated
Offering

Products & services

Industry:Jewelry & Precious Metal Manufacturing
✓ Offered
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
4.5/5

Bruno Troller AG

4
Custom jewellery making
Jewellery pieces based on our own designs and on the clients’ ideas, made in the studio with meticulous handwork using materials of the highest quality.
Diamond consulting
Advice and an introduction to the world of diamonds, supported in selecting the right gemstone and with questions relating to diamonds.
Gemstone and jewellery consulting
Personal advice on gemstones, jewellery and craftsmanship, tailored to the clients’ individual wishes and needs.
Lapidary workshop
Own small lapidary workshop for setting rare minerals in combination with precious metals and for expanding the range of design possibilities.
Trust & reputation

ranQ Trust Score of Bruno Troller AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Bruno Troller AG scores 90.7 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.88.624%
  • 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.92.510%
  • 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.95.08%
Bruno Troller AG scores 85.5 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.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%
Bruno Troller AG 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%
Bruno Troller AG scores 2.9 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 35.2.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bruno Troller AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.9 out of 5 stars from 37 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 37 reviews across all connected sources

Sources
GGoogle4.937
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once Bruno Troller AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Bruno Troller AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Bruno Troller AG by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Bruno Troller AG to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Zugerstrasse 17
8810 Horgen
Opening hours
Mon
Closed
Tue
09:00 - 12:00, 13:30 - 18:00
Wed
09:00 - 12:00, 13:30 - 18:00
Thu
09:00 - 12:00, 17:00 - 19:30
Fri
09:00 - 12:00, 13:30 - 18:00
Sat
09:00 - 12:30
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.980.864
Founded
1983 · 43 years
Last commercial register change
February 23, 2011
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    S&
    Schruub & Schmied, Inhaber Coray
    Horgen
    ZS
    Zurbuchen Schmuck
    Stäfa
    DS
    Diamondonline Swiss GmbH
    Küsnacht Zh
    GW
    Green World Diamonds AG
    Zurich
    MA
    Maribel's Atelier Isabel El Bakkioui-Lopez
    Zurich
    7D
    77 Diamonds Swiss GmbH
    Zurich
    GP
    Goldwerk Pris K., Prisca Steiner
    Winterthur
    SU
    Silber und Goldschmied Atelier Beat Egli
    Zurich