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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryJewelry & Precious Metal ManufacturingPlan-Les-OuatesNIRU (SWISS) SA
NIRU (SWISS) SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

NIRU (SWISS) SA is a solution provider for luxury watch and jewellery brands, managing manufacturing processes from concept to finished pieces. Services include precision cutting of diamonds and coloured stones, 3D design, CNC machining, engraving, setting, polishing, watchmaking and restoration, delivered through vertically integrated production with traceability.

AI-generated
Offering

Products & services

Industry:Jewelry & Precious Metal Manufacturing
✓ Offered12
Watch & Jewellery Expertise
Luxury watch and jewellery manufacturing with full traceability; 3D design, CNC machining, diamonds, colored stones, setting, jewellery, engraving, polishing, watchmaking and restoration.
Precision-cut diamonds
Precision-cut diamonds for watches and fine jewellery, including round, baguette and fancy shapes, with traceability and reliable sourcing.
Precision-colour gemstones
Cut and polished coloured stones, in particular sapphire, ruby, tsavorite, amethyst, tourmaline, topaz, peridot and tanzanite, for jewellery and watchmaking.
3D Design
Transforming client creations into technically optimised 3D models using CAD software, to prepare custom watch and jewellery parts.
CNC Machining
Manufacturing metal components for watches and jewellery in gold, platinum, silver, titanium or steel, according to clients' designs.
Setting
Precise and secure placement of diamonds and coloured stones, with grain and baguette settings suited to different watch and jewellery styles.
Jewellery fabrication
Manufacturing jewellery and fine jewellery, from the gouaché to the finished product, with hand-finished clasps and fine-jewellery watches.
Engraving
Laser engraving on jewellery and watch components, with precision up to 50 microns, on gold, platinum, silver, titanium or steel.
Polishing
Finishing and polishing of jewellery and watch components, including polishing of new parts and worn parts for after-sales service.
Watchmaking
Watertight assembly of watches, complete case fitting with movement and placement of hands, as well as servicing of movements from simple to tourbillon.
Restoration
Restoration of parts through a combination of setting, jewellery adjustments, movement servicing, engraving and polishing to return each piece to its original appearance.
Responsible sourcing and ESG compliance
Management of an ethical and sustainable supply chain, with responsible sources, transparency, ethical business practices and ESG reporting 2023/2024.
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3.9/5

NIRU (SWISS) SA

Trust & reputation

ranQ Trust Score of NIRU (SWISS) SA: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

NIRU (SWISS) SA scores 45.7 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.29.524%
  • 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.58.610%
  • 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.78.08%
NIRU (SWISS) SA 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%
NIRU (SWISS) 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%
NIRU (SWISS) SA scores 77.1 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 35.77.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

NIRU (SWISS) SA reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 2.8 out of 5 stars from 9 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
2.8
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle2.89
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Route de la Galaise 11 A
1228 Plan-Les-Ouates
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-114.587.641
Founded
2008 · 18 years
Last commercial register change
December 11, 2025
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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