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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsGerlafingenDZ Schliesstechnik GmbH
DZ Schliesstechnik GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of DZ Schliesstechnik GmbH is the planning, installation, maintenance and repair of locking systems, access controls, video and alarm systems as well as protection against break-ins.

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Offering

Products & services

Industry:Specialized Construction Installations
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4.2/5

DZ Schliesstechnik GmbH

7
Access control
Access control, escape and rescue route technology as well as locking technology for buildings and facilities.
Locking systems and key plan management
Planning of locking technical installations, locking systems, key plan management, management of electronic locking systems as well as archiving and property support.
Burglary protection, alarm systems and video surveillance
On-site analysis, clarification of options, mechanical burglary protection, alarm system solutions and video surveillance.
Service and maintenance of locking systems
Fast on-site service, service personnel, maintenance contract and maintenance of existing locking systems.
Key service
Lock conversions, repairs and custom-made work on site, spare keys for all brands as well as cylinders keyed to the original key.
Safe technology
Safes, civil registry and document cabinets, cash safes, key safes, key-drop systems and data safes.
Locking systems from Salto, JC CLAVAREX, dormakaba, SEA and Targo
Products and locking systems from Salto, JC CLAVAREX, dormakaba, SEA locking systems and Targo safes.
Trust & reputation

ranQ Trust Score of DZ Schliesstechnik GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

DZ Schliesstechnik GmbH scores 77.3 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.81.624%
  • 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.88.08%
DZ Schliesstechnik GmbH scores 83.0 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%
DZ Schliesstechnik 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%
DZ Schliesstechnik GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

DZ Schliesstechnik GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 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
5
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle59
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Kriegstettenstrasse 54
4563 Gerlafingen
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-105.359.578
Founded
2000 · 26 years
Last commercial register change
December 12, 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.
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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