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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryIndustryMechanical Engineering IndustryBronschhofenPRÄFAG Präzisionsfertigungs AG
PRÄFAG Präzisionsfertigungs AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Präfag Präzisionsfertigungs AG is the manufacture of mechanical precision parts and the provision of manufacturing services, particularly in the field of CNC metal machining, including milling, turning, eroding, grinding and lapping. The company also offers prototypes, single parts, small series, serial parts, set deliveries and assembly of sub-assemblies, and has an extensive machine park for the processing of metal parts.

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Products & services

Industry:Mechanical Engineering IndustryMetal Industry
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4.1/5

PRÄFAG Präzisionsfertigungs AG

✓ Offered12
Precision manufacturing
Precision manufacturing for individual solutions, prototypes, single parts, small series and production batches, as well as kitting deliveries and subassembly assembly.
CNC milling
CNC milling for precision parts and demanding components, optionally with or without surface treatment, also for mass production and individual parts.
Turning
Turning of components up to 400 mm in diameter and 500 mm in length, economical for different batch sizes and with tight tolerances.
Grinding
Surface grinding and cylindrical grinding for perfect surfaces, shapes, and form and positional tolerances up to 0.002 mm.
Lapping
Lapping for very high flatness with tolerances below 0.001 mm and as a base surface for high-precision parts.
Wire and die-sinking EDM
Wire and die-sinking EDM for complex geometries and the smallest form and positional tolerances when milling or turning is not possible.
Microblasting
Microblasting for surface finishing, targeted deburring, surface cleaning, structuring, oxide layer removal, and matting.
Hard turning and hard milling
Hard turning and hard milling for turned parts and demanding shapes up to 68 HRC, as an economical alternative to cylindrical grinding.
Metrology
Metrology with a 3D measuring machine for size, form and positional deviations, as well as detailed inspection reports in the air-conditioned measuring room.
Subassembly assembly
Subassembly assembly including procurement of individual parts, internal assembly, final inspection and proper warehousing.
Kitting deliveries
Kitting deliveries for final assembly, compiled to customer specifications and delivered just in time to reduce warehousing, handling and administration effort.
Material processing
Material processing of hardened materials, grey cast iron, spheroidal graphite iron, aluminium, brass, bronze, copper, tungsten-copper and plastic.
Trust & reputation

ranQ Trust Score of PRÄFAG Präzisionsfertigungs AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

PRÄFAG Präzisionsfertigungs AG scores 63.5 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.73.124%
  • 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.35.310%
  • 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.70.08%
PRÄFAG Präzisionsfertigungs 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%
PRÄFAG Präzisionsfertigungs 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%
PRÄFAG Präzisionsfertigungs AG scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

PRÄFAG Präzisionsfertigungs AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Weiherhofstrasse 36
9552 Bronschhofen
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 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-111.716.209
Founded
2004 · 22 years
Last commercial register change
May 21, 2024
Employees
11 to 20
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.100.06%
  • 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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