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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,888 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationWorbElektro Grunder & Riesen AG
Elektro Grunder & Riesen AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Elektro Grunder & Riesen AG provides electrical installations, maintenance and planning services and offers solutions for communication systems, building automation, smart home, PV systems and e-mobility. The company is part of the «die wissen wie!» group, which bundles several local electrical firms.

AI-generated
Offering

Products & services

Industry:Electrical Planning & Installation
✓ Offered9
Electrical installations
Electrical installations for new builds, conversions and renovations; conventional installations, future-oriented electrical work and solutions focused on safety and functionality.
Service and maintenance
Service and maintenance for electrical systems and home installations; support with faults, maintenance, repairs and replacement of components.
Communication
Communication solutions and communication systems; professional support in the field of telematics and connected installations.
Electrical planning
Electrical planning for projects and systems; design of electrotechnical solutions with technical expertise and project focus.
Building automation
Building automation for networked and efficiently controlled building functions; technical solutions for modern electrical and control environments.
Smart Home
Smart home solutions for networked home technology and individual control; solutions to make everyday living easier.
PV systems
PV systems for renewable energy and sustainable electricity generation; electrical work in the context of photovoltaic systems.
E-mobility
E-mobility solutions for charging infrastructure and electric mobility; installation and technical support related to e-mobility.
Household appliances
Household appliances for the kitchen and laundry care; advice, repairs, replacement and appliances from Electrolux, V-Zug and other manufacturers.
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4.3/5

Elektro Grunder & Riesen AG

Trust & reputation

ranQ Trust Score of Elektro Grunder & Riesen AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Elektro Grunder & Riesen AG scores 73.9 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.81.624%
  • 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.58.610%
  • 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.70.08%
Elektro Grunder & Riesen AG scores 87.1 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.82.07%
Elektro Grunder & Riesen 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 Grunder & Riesen AG scores 42.9 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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Elektro Grunder & Riesen AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 9 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
5
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle59
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Vechigenstrasse 28
3076 Worb
Opening hours
Mon
07:15 - 12:00, 13:15 - 17:00
Tue
07:15 - 12:00, 13:15 - 17:00
Wed
07:15 - 12:00, 13:15 - 17:00
Thu
07:15 - 12:00, 13:15 - 17:00
Fri
07:15 - 12:00, 13:15 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-409.898.137
Founded
2002 · 24 years
Last commercial register change
September 19, 2014
Employees
21 to 50
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.
76.0
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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