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

About the company

The core activity of GMTi SA is to provide support and services to the watch industry, particularly in the following areas: assembly and mounting of watch components (movement, casing, box), reconditioning and maintenance of watches, prototyping and development of new watch models, private label production of small, personalized watch series, hand decoration and ornamentation of watches (Poli-Bloqué, Martelage), and certification and quality assurance of watches (COSC, Poinçon de Genève). The company thus offers a comprehensive range of services to the watch industry, from development and production to maintenance and certification.

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Products & services

Industry:Watch Industry
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4.0/5

GMTI SA

6
Watchmaking subcontracting
Subcontracting of watch production in small and large volumes, with a secured workshop, industrial equipment, flexibility, and quality and sourcing management.
Watch case fitting and assembly
Case fitting, case assembly, movement assembly, dial-and-hand fitting, and leak-tightness testing for mechanical and electronic watches.
Watch refurbishment and after-sales service
Disassembly, sorting, inspection and cleaning of components, reassembly of movements, from the movement alone to complete after-sales service with finishing.
Watch decoration
Manual decoration of watch components, with poli-bloqué and hammering.
Watch prototyping
Support for watch development, with prototyping for watch projects and specific series.
Watch private label
Production of small customizable series, including development, prototyping, and manufacturing.
Trust & reputation

ranQ Trust Score of GMTI SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

GMTI SA scores 57.9 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.52.524%
  • 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.61.010%
  • 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%
GMTI 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%
GMTI 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%
GMTI SA scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GMTI SA reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 3.8 out of 5 stars from 10 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
3.8
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle3.810
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Route de la Galaise 24
1228 Plan-Les-Ouates
Opening hours
Mon
08:00 - 16:00
Tue
08:00 - 16:00
Wed
08:00 - 16:00
Thu
08:00 - 16:00
Fri
08:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-133.903.458
Founded
2011 · 15 years
Last commercial register change
August 31, 2026
Employees
1 to 10
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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