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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentPhotovoltaicsKoppigenElektro Grogg AG
Elektro Grogg AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Elektro Grogg AG provides electrical services including low- and high-voltage installations and the planning, installation and maintenance of photovoltaic systems. The company also sells and repairs household appliances, offers turnkey solar and storage solutions, rents lifting platforms and delivers related service work.

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Service area

Offering

Products & services

Industry:Photovoltaics
✓ Offered7
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Elektro Grogg AG

Turnkey photovoltaic systems
Turnkey photovoltaic systems for private homes, businesses and agricultural operations; full consultation, design, installation through commissioning, storage solutions and self-consumption optimisation.
Electrical installations
Power and low-voltage electrical installations for new builds and conversions; cable and cable-pulling services, splicing, transformer substations, street lighting and snowmaking systems.
Telecom installations
Telecom installations with suitable connections and communication aids for private customers and businesses.
IT networks
Planning and implementation of universal communications cabling and reliable network structures for small and medium-sized enterprises.
Household appliances: repair, service and sales
Repair, service and sales of washing machines, dryers, refrigerators, dishwashers and electric cookers; delivery, placement, installation and disposal of old appliances.
Lifting platform rental
Rental of work and lifting platforms with various drive and control types for work at height.
Rental of electrical equipment
Rental of various electrical equipment for events.
Trust & reputation

ranQ Trust Score of Elektro Grogg AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of November 2026

Elektro Grogg AG scores 67.7 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.67.124%
  • 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.52.910%
  • 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.88.08%
Elektro Grogg 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%
Elektro Grogg 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%
Elektro Grogg AG scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Elektro Grogg AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 7 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
4.4
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.47
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hauptstrasse 28
3425 Koppigen
Opening hours
Mon
08:30 - 12:00
Tue
08:30 - 12:00
Wed
08:30 - 12:00
Thu
08:30 - 12:00
Fri
08:30 - 12:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-111.687.588
Founded
2004 · 22 years
Last commercial register change
February 24, 2025
Employees
11 to 20

Active in 1 of 26 cantons

  • BEBern
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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