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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesSecurity ServicesZurichALFA Sicherheits-Systeme by IG Schliesstechnik AG
ALFA Sicherheits-Systeme by IG Schliesstechnik AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

ALFA Sicherheits-Systeme by IG Schliesstechnik AG is a service provider for door and locking systems, offering planning, installation and maintenance of mechanical, mechatronic and electronic access systems. Services include key duplication and engravings, door modifications, locking-system planning and servicing, escape-route security and automatic door drives, with delivery and commissioning.

AI-generated
Offering

Products & services

Industry:Security Services
✓ Offered4
Key cutting service and engraving
Duplicate and mill keys, repair or replace locks and keys, engravings for nameplates and mailbox plates.
Door modifications
Advisory, selection, installation and adjustment of wooden, metal and plastic doors for escape routes, burglary protection and access control systems.
Mechanical and mechatronic access systems
Advisory, installation, training, documentation and maintenance of mechanical, mechatronic and electronic locking systems and access systems.
Planning, execution and service of locking systems
Planning, delivery, installation, commissioning, documentation, training and maintenance of locking systems and complex access control systems.
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3.6/5

ALFA Sicherheits-Systeme by IG Schliesstechnik AG

Trust & reputation

ranQ Trust Score of ALFA Sicherheits-Systeme by IG Schliesstechnik AG: 3.6 out of 5.0

Trust Score3.6/ 5.0

Solid

x

Data basis 96% · As of October 2026

ALFA Sicherheits-Systeme by IG Schliesstechnik AG scores 44.3 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.54.224%
  • 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.35.08%
ALFA Sicherheits-Systeme by IG Schliesstechnik AG scores 69.7 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.75.012%
  • 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%
ALFA Sicherheits-Systeme by IG Schliesstechnik AG scores 85.0 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).85.022%
ALFA Sicherheits-Systeme by IG Schliesstechnik AG 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

ALFA Sicherheits-Systeme by IG Schliesstechnik AG reaches a ranQ Trust Score of 3.6 out of 5.0 — rated «Solid». The rating draws, among other things, on 3.0 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 October 2026.

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

Reviews

Aggregated rating

Aggregated rating
3
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle32
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Zentralstrasse 15
8003 Zurich

At a glance

Legal form
Branch
UID
CHE-370.196.513
Founded
2019 · 7 years
Last commercial register change
November 6, 2024
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.76.06%
  • 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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