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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsRossrütie4home AG
e4home AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of E4HOME encompasses the planning, integration and implementation of solutions in the fields of building automation, IT, e-mobility, multimedia and security. Specifically, the company offers services such as smart home solutions, energy management, network technology, IT security and multimedia integration, with the goal of providing customers with simple, reliable and secure solutions for their buildings and IT systems.

AI-generated
Offering

Products & services

Industry:Specialized Construction Installations
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e4home AG

✓ Offered6
Building automation
Intelligent solutions for smart home, residential construction, commercial sites, office buildings, industrial buildings, production, hotels and public facilities; control of heating, lighting, blinds, ventilation, security and energy efficiency.
Energy management
Optimization systems for the targeted use of energy, to reduce grid connection costs, to avoid costly grid reinforcements and to support during power outages.
E-mobility
Charging stations and charging infrastructure with load management, user identification and ZEV invoicing for single-family homes, multi-family houses, underground car parks and partial public use.
IT network
Network infrastructures with remote access, meter data transmission, WLAN, data recording, data management, firewall and connected building technology; including maintenance after installation.
Security
Alarm systems, alarm monitoring, panic switching, video surveillance, radio alarm systems, access control, alarm notification and remote monitoring for buildings and technical installations.
Multimedia
Remote control, multiroom, IP TV, conference room solutions, information screens, media centers, home cinema and music servers for connected audio and video applications.
Trust & reputation

ranQ Trust Score of e4home AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

e4home 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%
e4home 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%
e4home 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%
e4home AG scores 48.6 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 35.48.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

e4home AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «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 October 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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Comparisons

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Location

Konstanzerstrasse 24
9512 Rossrüti
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-405.352.945
Founded
2011 · 15 years
Last commercial register change
September 18, 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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