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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryWatch IndustryBallaiguesd-coJoux SA
d-coJoux SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of D-CoJoux SA is the manufacture and refinement of high-precision components for the watch industry, including: turning (production of components such as pinions, axles, barrel drums, wheel arms, balances, etc.), heat treatment (heat treatment of steel, stainless steel, revenu, revenu entre-plaque, structural hardening, etc.), polishing (polishing of components, including high-end polishing such as DC), angling (manufacture of components such as plates, bridges, piton holders, etc.) and decoration (refining of components through circling, pearling, Geneva stripes, colimaçonnage, sunburst, stretching, molding polishing, etc.). The company thus offers a wide range of services for the watch industry, from component manufacturing to refinement and polishing.

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Products & services

Industry:Watch Industry
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4.1/5

d-coJoux SA

✓ Offered6
Decolletage
Manufacturing of movement components in different materials, with a maximum diameter of 20 mm, in particular pinions, arbors, barrel drums, lever wheels and balance wheels.
Polishing
Bulk polishing of movement components, including very high-end polishing and DC-type polishing.
Watch decoration
Rim finishing (cerclage), perlage, Geneva stripes, colimaçon work, sunburst finishing (soleillage), pulling (étirage) and moulding polishing on watch components.
Anglage
Anglage with a file, on the bench grinder and with the micro-motor on plates, bridges and stud holders.
Heat treatment
Heat treatment on steel and stainless steel: tempering, tempering between plates and structural hardening.
Blocking
Visual finishes: meule d’éteint (d’éteint grinding wheel), poli-bloqué (blocked polishing), poli-noir (black polishing), thickness setting (mise d’épaisseur) and end brushing on components such as screws, ratchet wheel (rochet), barrel arbor and column wheel.
Trust & reputation

ranQ Trust Score of d-coJoux SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

d-coJoux SA scores 66.9 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.88.08%
d-coJoux SA scores 86.1 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.92.512%
  • 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%
d-coJoux SA 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%
d-coJoux SA scores 4.9 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 35.4.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

d-coJoux SA 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

Ch. du Champ aux Roses 11
1338 Ballaigues
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 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-267.860.267
Founded
2014 · 12 years
Last commercial register change
February 9, 2026
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.
100.0
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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