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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationRüti ZhEggenberger & Schlumpf AG
Eggenberger & Schlumpf AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Eggenberger & Schlumpf AG provides electrical installations along with planning, consulting and maintenance services for residential, educational, commercial and industrial buildings. Services include high-voltage and lighting installations, periodic installation checks, e‑mobility charging stations and load management, photovoltaic systems, fiber splicing, telecommunications and network installations, and Smart Home/alarm systems (KNX, Digitalstrom).

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Products & services

Industry:Electrical Planning & Installation
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Eggenberger & Schlumpf AG

✓ Offered12
Electrical installations
Consulting, planning, installation as well as service and maintenance of electrical installations in residential construction, schools, commercial and industrial premises.
Strong-current installations
Lighting and strong-current power installations for residential construction, schools, commercial and industrial premises; including planning, installation and periodic inspections.
E-mobility
Consulting and installation of charging stations for electric cars, as well as load management for multiple charging stations at one site.
PV systems / load management
Consulting, planning, permitting and execution of photovoltaic systems as well as self-consumption, ZEV installations and load management.
Lighting
Selection and installation of luminaires, from recessed spotlights and outdoor lights to LED systems; complex lighting systems with specialists.
Telephone / Internet / TV / Multimedia
Telephone connections, telecommunications systems, internet connections and home communication for TV, telephone and network.
IT networks
Consulting and installation of WLAN, access points, complete networks and Fiber to the Home for high-performance and secure IT networks.
Doorbell and intercom systems
Installation of doorbell and entry intercom systems, from a simple door chime to a video intercom with fingerprint.
Alarm systems
Planning, installation and programming of alarm systems in cooperation with the security service ZO Security.
KNX (EIB)
Consulting, planning, installation and programming of KNX systems for lighting, roller shutters, sun blinds and temperature control.
Digitalstrom
Smart home solutions with Digitalstrom for programming devices and making everyday life easier with the push of a button, an app or voice control.
Installation checks / periodic inspections
Periodic installation inspections and testing of electrical systems according to the current regulations.
Trust & reputation

ranQ Trust Score of Eggenberger & Schlumpf AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Eggenberger & Schlumpf AG scores 65.5 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.65.024%
  • 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.70.08%
Eggenberger & Schlumpf AG scores 89.3 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.70.07%
Eggenberger & Schlumpf AG scores 83.3 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).83.322%
Eggenberger & Schlumpf AG scores 8.9 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 35.8.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Eggenberger & Schlumpf AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 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
4.3
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle4.311
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Neuhofstrasse 11
8630 Rüti Zh
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.183.461
Founded
1976 · 50 years
Last commercial register change
February 12, 2025
Employees
11 to 20
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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