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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsSpreitenbachSchlüssel STUDER
Schlüssel STUDER Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Schlüssel STUDER provides mobile key and lock services, including door-lock servicing, repairs, lock changes, emergency opening and burglary-protection measures. As a certified KABA partner the company installs and maintains cylinders and locking systems and publishes uniform, transparent pricing.

AI-generated
Offering

Products & services

Industry:Specialized Construction Installations
✓ Offered3
Door lock service
Lock replacement, lock repair and installation of locks, locking cylinders and fittings; installation and repair of locking systems, installation of security technology.
Repair service
Repair of jammed or defective locks in flats and houses; rapid fault detection, restoration and cost-effective solutions instead of replacement.
Key emergency service
Lockout service for lost, stolen or defective keys; opening doors and door locks, usually without damage and quickly on site.
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4.3/5

Schlüssel STUDER

Trust & reputation

ranQ Trust Score of Schlüssel STUDER: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Schlüssel STUDER scores 82.9 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.76.124%
  • 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.85.610%
  • 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.100.08%
Schlüssel STUDER scores 78.5 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%
Schlüssel STUDER 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%
Schlüssel STUDER scores 4.3 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 35.4.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Schlüssel STUDER reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 28 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
4.6
of 5

Aggregated from 28 reviews across all connected sources

Sources
GGoogle4.628
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Industriestrasse 107
8957 Spreitenbach
Opening hours
Mon
07:30 - 12:00, 13:00 - 18:00
Tue
07:30 - 12:00, 13:00 - 18:00
Wed
07:30 - 12:00, 13:00 - 18:00
Thu
07:30 - 12:00, 13:00 - 18:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-102.127.669
Founded
2001 · 25 years
Last commercial register change
January 26, 2018
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.
67.0
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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