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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryIndustryCNC machiningCorcelles NeRostan Suisse SA
Rostan Suisse SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Rostan Suisse SA specializes in internal and external cylindrical grinding and high-precision machining. It also provides 3D inspection, assembly of components, stock management, and on-demand deliveries.

AI-generated
Presence

Service area

Offering

Products & services

Industry:CNC machining
✓ Offered5
Cylindrical grinding
Internal and external cylindrical grinding for diameters from 10 to 350 mm, with tight tolerances and work on specialized CNC machines.
High-precision machining
High-precision machining on Mori-Seiki machining centres for parts and assembly components, with tolerances below the hundredth as required.
3D inspection
Complete 3D inspection with inspection certificates, standard reports or reports tailored to the client’s procedures, part marking and preparation of specific packaging.
Sub-assembly assembly
Assembly of sub-assemblies of spindles and headstocks, with functional checks and delivery of parts or assemblies ready for storage or shipment.
Customer stock management and call-off deliveries
Management of the customer’s stock, storage of parts or assemblies, and call-off deliveries of controlled, marked and packaged parts.
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4.1/5

Rostan Suisse SA

Trust & reputation

ranQ Trust Score of Rostan Suisse SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of November 2026

Rostan Suisse SA scores 68.1 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.71.224%
  • 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.52.910%
  • 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.78.08%
Rostan Suisse SA 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%
Rostan Suisse SA 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%
Rostan Suisse SA scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Rostan Suisse SA reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.6 out of 5 stars from 7 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
4.6
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.67
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rue de la Chapelle 56
2035 Corcelles Ne
Opening hours
Mon
07:30 - 17:30
Tue
07:30 - 17:30
Wed
07:30 - 17:30
Thu
07:30 - 17:30
Fri
07:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-100.514.191
Founded
1976 · 50 years
Last commercial register change
December 16, 2025
Employees
1 to 10

Active in 1 of 26 cantons

  • NENeuchâtel
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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