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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesSecurity serviceGerlafingenDHH Alarmsysteme GmbH
DHH Alarmsysteme GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of DHH Alarmsysteme GmbH is the planning, consulting and implementation of security systems for private and commercial customers, including: alarm systems with video surveillance and fire detectors, modular security concepts for burglary prevention, video-based surveillance systems, and fire protection systems with fire alarm systems and smoke detectors. The company offers individual solutions and consulting for the security of property and persons.

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Offering

Products & services

Industry:Security service
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4.0/5

DHH Alarmsysteme GmbH

Electrician
Specialist machinery dealer
✓ Offered4
Alarm systems
Wired and wireless alarm systems for new builds and conversions as well as existing buildings; protection against burglary and theft with sirens, operation via code, reader, key fob, app and SMS.
Video surveillance
Video systems for monitoring properties and buildings, with remote monitoring via app, video recording and night vision for private and commercial applications.
Fire protection systems
Fire alarm systems and smoke detectors for protection against fire damage; detectors respond to smoke, heat or a combination and provide alarm reports for an early response.
Consulting and planning
Individual consulting and planning for new builds, conversions and existing buildings in commercial, industrial and agricultural settings, with an initial contact that is non-binding and tailored solutions.
Trust & reputation

ranQ Trust Score of DHH Alarmsysteme GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of November 2026

DHH Alarmsysteme GmbH scores 65.8 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.67.124%
  • 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.52.910%
  • 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.78.08%
DHH Alarmsysteme GmbH scores 77.2 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.86.512%
  • 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%
DHH Alarmsysteme GmbH scores 86.7 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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).86.722%
DHH Alarmsysteme GmbH scores 1.4 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 35.1.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

DHH Alarmsysteme GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 out of 5 stars from 7 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.4
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.47
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Biberiststrasse 4
4563 Gerlafingen

At a glance

Legal form
Limited Liability Company
UID
CHE-255.384.538
Founded
2016 · 10 years
Last commercial register change
June 9, 2016
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • SOGerlafingen
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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