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DirectoryIndustryWatch manufacturerPorrentruyAJS production SA
AJS production SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

AJS production SA designs and manufactures components for the watch industry, covering processes from engineering and machining to finishing, assembly and quality control. Its work includes movement components, dials and hands, as well as laser engraving and other decoration techniques.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Watch manufacturer
✓ Offered6
Manufacture of watch components
Manufacture of watch components, from the machined part to traditional finishing, up to assembly and final product inspection.
Design and development of watch parts
Movement design, design, patents, revisions and optimization of the produced parts, with an integrated office of engineers and designers.
Precision manufacture of watch components
Digital Swiss-style turning, 5-axis machining, turning, CNC milling and laser cutting for watch components.
Watch finishing and decoration
Movement decoration, laser engraving and milling, decal, screen printing, lacquer application and SLN, with finishing treatments T1, T2 and T3.
3D laser engraving
3D laser engraving to give relief and depth to components from a 3D file or a JPEG image.
Structural projection
Surface treatment and decoration via selective projection of pigmented layers, then laser texturing, for patterns and colours on watch components.
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4.1/5

AJS production SA

Trust & reputation

ranQ Trust Score of AJS production SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

AJS production SA has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
AJS production 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%
AJS production SA scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
AJS production 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

AJS production SA reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Rue de la Roche-de-Mars 10
2900 Porrentruy

At a glance

Legal form
Corporation
UID
CHE-109.240.278
Founded
2002 · 24 years
Last commercial register change
May 5, 2021
Employees
1 to 10

Active in 1 of 26 cantons

  • JUJura
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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