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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryCrafts & TradesMetalworkLotzwilWMC Sinterstar AG
WMC Sinterstar AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

WMC Sinterstar AG manufactures cemented-carbide blanks in custom designs and series, and offers finishing processes including electrical discharge machining, grinding, polishing, turning and milling. Its trading range includes cemented-carbide, diamond and CBN tools as well as ceramic abrasives, with advice on selecting and using these products.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Metalwork
✓ Offered4
Carbide production
Custom-made carbide blanks, semi-finished products and special alloys in small and medium series; sinter-HIP process, direct pressing, post-processing and advice on the right carbide grade.
Carbide tools
Carbide tools such as rotor milling cutters, shank end mills, engravers, round blanks, as well as round and square bars, partly ex stock, partly in fixed lengths or on request.
Diamond and CBN tools
Electroplated diamond and CBN tools, dressing tools, pastes, profile rolls, grinding wheels, as well as cutting-off and slotting wheels for machining hard materials.
Ceramic grinding abrasives
Ceramic burnishing wheels, fine grinding tools, grinding and polishing stones, honing stones, as well as ceramic cutting-off and grinding wheels for precise shaping and finishing work.
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3.9/5

WMC Sinterstar AG

Trust & reputation

ranQ Trust Score of WMC Sinterstar AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of November 2026

WMC Sinterstar AG scores 47.2 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.63.624%
  • 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.17.610%
  • 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.35.08%
WMC Sinterstar 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%
WMC Sinterstar 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%
WMC Sinterstar AG scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

WMC Sinterstar AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 1 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle41
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Bahnstrasse 1
4932 Lotzwil

At a glance

Legal form
Corporation
UID
CHE-107.172.424
Founded
1978 · 48 years
Last commercial register change
December 11, 2025
Employees
11 to 20

Active in 1 of 26 cantons

  • BEBern
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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