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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryCrafts & TradesBuilding automationAffoltern Am AlbisViscom Engineering AG
Viscom Engineering AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Viscom Engineering AG plans, designs, installs and maintains building automation systems. Its services also include automation and management software, electrical schematics and functional specifications, as well as support for building automation and heating, ventilation and air-conditioning systems.

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Service area

Offering

Products & services

Industry:Building automation
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Viscom Engineering AG

✓ Offered6
Building automation
Engineering, electrical schematics, software for the automation and management level, IBS software development, documentation and acceptance, QMS, functional and control descriptions, training.
BA services
360-degree services for building automation systems, including support from the field level to the management level, maintenance, analyses, updates, optimizations and 365/24h on-call duty.
HVAC services
Maintenance for service life and value retention of heating, ventilation and air-conditioning systems, including inspection, cleaning, spare-parts procurement, repair and hygiene checks.
Smart Solutions
Tailored digital solutions for complex requirements, including IT and software engineering, cloud or on-premises services, APIs and cloud IoT platforms.
Systems & tools
Automation systems, management systems and software tools for measurement, control, regulation and supervisory engineering, including visualization, libraries and communication systems.
BA Service Plus
Modular service package for operating building automation systems, including maintenance, TecSupport for faults and TecDoctor for diagnosis and optimization.
Trust & reputation

ranQ Trust Score of Viscom Engineering AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of November 2026

Viscom Engineering AG scores 59.4 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.73.324%
  • 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.45.610%
  • 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.35.08%
Viscom Engineering AG scores 94.3 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.90.07%
Viscom Engineering AG scores 86.7 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).86.722%
Viscom Engineering AG scores 62.9 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 35.62.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Viscom Engineering AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 5 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
4.8
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle4.85
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Alte Obfelderstrasse 59
8910 Affoltern Am Albis
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.333.130
Founded
1991 · 35 years
Last commercial register change
August 7, 2026
Employees
51 to 100
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Active in 10 of 26 cantons · 3 municipalities

    • Central Switzerland
    • Northwestern Switzerland
    • BSBasel
    • LULucerne
    • ZHZurich

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