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
  • Partner program
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryCrafts & TradesStonemasonLiesbergGebr. Thomann AG
Gebr. Thomann AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Gebr. Thomann AG operates quarries and a natural stone works, extracting Jurassic limestone. The company trades in stones from various origins, processes them for a range of applications, and provides delivery and installation.

AI-generated
Presence

Service area

Offering

Products & services

Industry:StonemasonBuilding materials manufacturer
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
4.1/5

Gebr. Thomann AG

Building materials dealer
✓ Offered4
Natural stone for construction and design
Liesberg and Laufen Jura limestone as well as foreign stones from around the world for indoor and outdoor applications, with advice on material, structure, colours and uses.
Natural stone processing
Machining of natural stone with a modern machine park and CNC-controlled 5-axis milling centres; including, among other things, grinding, sawing, sandblasting, flame treatment, brushing and hand-hammered finishing.
Natural stone quarrying
Quarrying of Jura limestone in the quarries in Laufen and Liesberg, with environmentally compatible extraction and subsequent renaturalisation of the areas.
Sustainable natural stone production
Resource-saving processing, low energy demand, recycling of cutting waste into ballast, chippings or sand, as well as an in-house photovoltaic system and wastewater treatment.
Trust & reputation

ranQ Trust Score of Gebr. Thomann AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Gebr. Thomann 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%
Gebr. Thomann 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%
Gebr. Thomann 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%
Gebr. Thomann AG scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gebr. Thomann 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Knowledge

No knowledge articles yet

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

Get started
Comparisons

Gebr. Thomann AG in comparison

Soon

Industry comparisons are coming soon

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

Is this your company?

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

Secure profile

Location

Werk
4253 Liesberg

At a glance

Legal form
Corporation
UID
CHE-107.206.017
Founded
1987 · 39 years
Last commercial register change
May 26, 2025
Employees
11 to 20

Active in 1 of 26 cantons · 1 municipality

  • BLLiesberg
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

    KT
    Karl Tschudin AG
    Liesberg
    SA
    staudtcarrera AG
    Zwingen
    SN
    Schnell Natursteine AG
    Nenzlingen
    FB
    Fontarocca Brunnen & Naturstein AG
    Liestal
    B&
    Bildhauerei & Steinwerk Weber AG
    Röschenz
    BG
    Billi GmbH
    Pratteln
    SS
    Steinhauser Steinhauer AG
    Oberwil Bl
    VO
    VONMOOSSTEIN, Olga Jappert
    Diegten