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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryIndustryGlass, Ceramics, Stone & Construction Materials IndustryFrauenfeldsia Abrasives Industries AG
sia Abrasives Industries AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

sia Abrasives Industries AG is a manufacturer of abrasive products and a provider of sanding solutions for industry and trades. The product range includes coated abrasives, nonwoven (fleece) abrasives, foam-backed abrasives and bonded abrasives, and the company offers technical consultation and product development for sanding applications.

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Products & services

Industry:Glass, Ceramics, Stone & Construction Materials Industry
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sia Abrasives Industries AG

Abrasive solutions
Abrasive solutions for professional applications in automotive, aerospace, furniture production, interior fit-out and general manufacturing; tailored for efficient surface processing and a perfect finish.
Abrasives
Coated abrasives, fleece abrasives, foam abrasives and bonded abrasives for different grinding tasks and surface finishing.
Grinding system solutions
System solutions for aerospace, automotive, interior fit-out and general fabrication, complemented by practical application examples.
Industry-specific grinding applications
Application solutions for aerospace, automotive, interior fit-out, general fabrication, furniture production and other industries such as glass, stone, rail or wind power.
Trust & reputation

ranQ Trust Score of sia Abrasives Industries AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of October 2026

sia Abrasives Industries AG scores 60.4 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.41.324%
  • 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.78.610%
  • 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.95.08%
sia Abrasives Industries 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%
sia Abrasives Industries AG scores 86.7 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).86.722%
sia Abrasives Industries AG scores 85.0 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: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.70.04%
Qualifications+0.00

sia Abrasives Industries AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.6 out of 5 stars from 21 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
3.6
of 5

Aggregated from 21 reviews across all connected sources

Sources
GGoogle3.621
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

October 24, 2025Media
«Das Gehirn des Roboters»: Wie Sia Abrasives die Stagnation auf dem Schleifmittelmarkt kontert
tagblatt.ch
September 11, 2025Media
28 Mitarbeitende sind von den Entlassungen in der SIA Frauenfeld betroffen
tagblatt.ch
September 10, 2025Media
28 Entlassungen bei Sia Abrasives in Frauenfeld
businessclassost.ch
July 2, 2025Media
sia Abrasives feiert 150 Jahre Schleifkompetenz
leaderdigital.ch
June 30, 2025Media
sia Abrasives feiert 150-Jahr-Jubiläum
organisator.ch
July 18, 2019Media
Die Sia Abrasives AG in Frauenfeld hat weitere Kündigungen ausgesprochen
thurgauerzeitung.ch
June 6, 2019Media
Die Sozialplan steht kurz vor Abschluss: 131 Mitarbeiter der Sia Abrasives in Frauenfeld bekamen den blauen Brief
thurgauerzeitung.ch

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Location

Mühlewiesenstrasse 20
8501 Frauenfeld
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.701.137
Founded
1914 · 112 years
Last commercial register change
July 14, 2026
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

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