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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryIndustryMetal IndustryWittenbachBrunner Präzisionsschleiferei
Brunner Präzisionsschleiferei Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Brunner Präzisionsrundschleiferei is precision cylindrical grinding, including cylindrical grinding, precision grinding, surface grinding, thread grinding and non-circular grinding, as well as the production of individual parts, prototypes and series from 1 to over 40,000 pieces for various industries.

AI-generated
Offering

Products & services

Industry:Metal Industry
✓ Offered7
Cylindrical grinding
Cylindrical grinding of steel, aluminium, brass, bronze, titanium, tungsten, rubber, carbide, CFRP composite materials and glass; also individual parts, prototypes and series.
Surface grinding
Surface grinding for tool and mould making as well as other components; machining of steel, carbide, bronze, titanium, rubber, CFRP composite materials and glass.
Unround grinding
Unround grinding for demanding jobs; machining of steel, tungsten, carbides, CFRP composite materials and glass, including for single-part and series production.
Precision grinding
Precision grinding of individual parts, prototypes and series; machining of various materials using CNC-controlled grinding processes for tight form and position tolerances.
Profile grinding
Profile grinding for components and tools; on the website listed as another grinding process alongside cylindrical, surface and thread grinding.
Thread grinding
Thread grinding for precise threads and thread gauges; on the website listed as another machining process and as an example job.
CNC grinding
CNC-controlled grinding work for precise workpieces; mentioned on the website as a technology for surface, cylindrical and unround grinding.
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3.8/5

Brunner Präzisionsschleiferei

Trust & reputation

ranQ Trust Score of Brunner Präzisionsschleiferei: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Brunner Präzisionsschleiferei scores 49.8 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.68.224%
  • 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%
Brunner Präzisionsschleiferei scores 78.5 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%
Brunner Präzisionsschleiferei 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%
Brunner Präzisionsschleiferei scores 4.3 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 35.4.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Brunner Präzisionsschleiferei reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 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 October 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Grüntalstrasse 23
9300 Wittenbach

At a glance

Legal form
Sole proprietorship
UID
CHE-106.558.620
Founded
1990 · 36 years
Last commercial register change
September 2, 2013
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.
67.0
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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