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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsEffretikonSchlüssel Bischoff GmbH
Schlüssel Bischoff GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Schlüssel Bischoff GmbH is the provision of services and products in the field of security and locking technology, including: locking systems, burglary protection, key management (key storage, key cabinets, key tubes, master key depot), safes (key safes, furniture safes, cash/armor cabinets), signs (engraved signs, escape route signs, prohibition signs, parking signs), door technology, and video surveillance. The company also offers online ordering options for keys and engravings.

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Offering

Products & services

Industry:Specialized Construction Installations
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3.6/5

Schlüssel Bischoff GmbH

✓ Offered8
Locking systems
Planning, consulting and installation of mechanical, mechatronic and electronic locking systems; creation of locking plans and structure diagrams.
Burglary protection
Advice on burglary protection with security locks, security fittings, strike plates, crossbar lock systems, window bar locks, lightwell safety devices and alarm systems.
Door technology
Door closers, door openers, locks, door viewers, escape route safety devices, number code locks, mechanical and electronic locking systems, fittings and motor locks.
Safes / key safes
Key safes, key issue and drop safes, furniture safes as well as cash and armored cabinets, including repair service, lock change and code conversion.
Escape route safety
Advice and products for escape routes and escape route safety, including escape route signs and door technology that ensures escape routes.
Video surveillance
Home video surveillance systems with wireless outdoor camera, monitor, docking station, encrypted audio and video transmission and app access.
Key storage
Key boxes, key tubes, storage deposit solutions and master-key systems for secure storage and organised key management.
Engraving and signs
Engravings and signs, including escape route signs, prohibition signs and parking signs, as well as online key ordering.
Trust & reputation

ranQ Trust Score of Schlüssel Bischoff GmbH: 3.6 out of 5.0

Trust Score3.6/ 5.0

Solid

x

Data basis 96% · As of October 2026

Schlüssel Bischoff GmbH scores 41.4 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.2.824%
  • 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.91.110%
  • 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.95.08%
Schlüssel Bischoff GmbH scores 80.9 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.95.212%
  • 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.55.07%
Schlüssel Bischoff GmbH 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 Bischoff GmbH scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Schlüssel Bischoff GmbH reaches a ranQ Trust Score of 3.6 out of 5.0 — rated «Solid». The rating draws, among other things, on 2.7 out of 5 stars from 35 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
2.7
of 5

Aggregated from 35 reviews across all connected sources

Sources
GGoogle2.735
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Illnauerstrasse 14
8307 Effretikon
Opening hours
Mon
08:00 - 10:00, 16:00 - 18:00
Tue
14:00 - 18:00
Wed
08:00 - 12:00
Thu
14:00 - 18:00
Fri
08:00 - 10:00, 16:00 - 18:00
Sat
08:30 - 11:30
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-436.953.939
Founded
2013 · 13 years
Last commercial register change
January 22, 2020
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.
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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