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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceColognyGARZETTA KERNEN Sàrl
GARZETTA KERNEN Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Garzetta Kernen Sàrl (GK Service) is in the field of locksmithing, particularly in emergency repair, maintenance and service in the locksmithing sector. The company primarily offers its services in the Geneva region and caters to a wide range of clients, including administrative institutions, architects, administrations, property owners and general businesses.

AI-generated
Offering

Products & services

Industry:Building Maintenance
✓ Offered6
Locksmithing, emergency service and maintenance
Locksmithing, emergency service, maintenance and service in Geneva for administrations, property management companies, architects, owners and general contractors.
Repair, maintenance and replacement of door and window elements
Repair, maintenance and replacement of metal doors and windows, door closers, fittings, common doors, cylinders, locks, handles and accessories.
Manufacture, supply and installation of metal structures and protection systems
Manufacture, supply and installation of armored doors, metal structures, metal doors, bicycle shelters, balustrades, guard rails, glazing and storefronts.
Connected letterboxes
Connected letterboxes with secure parcel delivery, freely configurable parcel lockers and integrated return-of-parcel functions.
SecuSan® door handle
SecuSan® door handles with immediate and lasting antimicrobial effectiveness against germs, with a preventive effect and wear resistance.
Soft mobility
Bike parking, bicycle shelters, scooter parking, installation of replacement sets and maintenance.
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3.8/5

GARZETTA KERNEN Sàrl

Trust & reputation

ranQ Trust Score of GARZETTA KERNEN Sàrl: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

GARZETTA KERNEN Sàrl scores 51.8 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.60.024%
  • 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.45.610%
  • 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.35.08%
GARZETTA KERNEN Sàrl scores 77.8 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.79.212%
  • 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%
GARZETTA KERNEN Sàrl 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%
GARZETTA KERNEN Sàrl scores 1.1 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 35.1.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GARZETTA KERNEN Sàrl reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 5 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
4
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle45
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Chemin du Môlan 4
1223 Cologny
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 13:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-368.203.055
Founded
2018 · 8 years
Last commercial register change
January 5, 2018
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.
88.0
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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