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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationWinterthurElektro Roos AG
Elektro Roos AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Elektro Roos + Gut AG is the provision of services in the field of electrical installations, including: weak current work (e.g. doorbell systems, intercom systems, video systems, service orders, repairs), strong current work (e.g. renovations, industry, maintenance), building cabling, installation of telephone exchanges, telephony and communication systems, and security systems. The company offers these services to private and business customers in the Winterthur and Zurich regions.

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Offering

Products & services

Industry:Electrical Planning & Installation
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4.0/5

Elektro Roos AG

✓ Offered3
Electrical work
Electrical installations for conversions, service work and faults; low-current and high-current installations, maintenance, customer service and repairs.
Telephony
Advice on purchasing devices, selecting suitable solutions from a wide range of products, installation of connections and telephone exchanges.
Universal building cabling
Building cabling for communication systems and computers, retroactive installations, conversions and system solutions for communication and security systems.
Trust & reputation

ranQ Trust Score of Elektro Roos AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Elektro Roos AG scores 61.8 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.70.224%
  • 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.63.210%
  • 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%
Elektro Roos AG scores 85.5 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%
Elektro Roos AG 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%
Elektro Roos AG scores 1.1 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 35.1.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Elektro Roos AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.5 out of 5 stars from 11 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
4.5
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle4.511
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Schaffhauserstrasse 30
8400 Winterthur

At a glance

Legal form
Corporation
UID
CHE-109.747.040
Founded
2002 · 24 years
Last commercial register change
July 17, 2025
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.
100.0
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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