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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesSecurity serviceAmriswilWohnwerk 1920 GmbH
Wohnwerk 1920 GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Wohnwerk 1920 GmbH plans and installs alarm systems and video surveillance for private and business customers. The company also sets up IT infrastructure, including project planning, equipment procurement, network cabling and maintenance.

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Service area

Offering

Products & services

Industry:Security service
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3.9/5

Wohnwerk 1920 GmbH

✓ Offered3
Alarm systems
Planning and installation of alarm systems for private residences, offices, commercial premises and warehouse halls; protection against break-ins, unauthorised access, fire and other hazards.
Video surveillance
Planning and installation of video surveillance systems for private and business sites; camera solutions for indoor and outdoor areas, access control and monitoring of rooms.
IT office infrastructure
Planning, installation and maintenance of IT infrastructures; server cabinets, network cabinets, workplace cabling, cable finishing, equipment supply and project planning.
Trust & reputation

ranQ Trust Score of Wohnwerk 1920 GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

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Data basis 96% · As of November 2026

Wohnwerk 1920 GmbH scores 60.4 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.70.824%
  • 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.27.910%
  • 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.70.08%
Wohnwerk 1920 GmbH scores 75.7 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.83.012%
  • 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%
Wohnwerk 1920 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%
Wohnwerk 1920 GmbH scores 5.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.5.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Wohnwerk 1920 GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 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
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Neustudenstrasse 13
8580 Amriswil
Opening hours
Mon
08:00 - 12:00, 13:15 - 18:00
Tue
08:00 - 12:00, 13:15 - 18:00
Wed
08:00 - 12:00, 13:15 - 18:00
Thu
08:00 - 12:00, 13:15 - 18:00
Fri
08:00 - 12:00, 13:15 - 18:00
Sat
08:00 - 12:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-468.027.675
Founded
2017 · 9 years
Last commercial register change
January 27, 2020
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • TGAmriswil
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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