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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentEnergy producerGrünenEnergie AG Sumiswald
Energie AG Sumiswald Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Energie AG Sumiswald supplies households and businesses with electricity, water, district heating and digital communications services. It operates and maintains utility networks and offers communications products including internet, TV, landline and mobile services.

AI-generated
Offering

Products & services

Industry:Energy producer
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3.7/5

Energie AG Sumiswald

4
Electricity grid & electricity supply
Operation of the electricity grid, electricity supply, grid access tariffs and levies; electricity labelling, meter information, general terms and conditions and regulations, temporary grid connection as well as feed-in tariffs for PV and other technologies.
Water supply
Supply of drinking and service water in Sumiswald, Grünen, Wasen and Trachselwald; water quality and water hardness, tariffs and prices, temporary water connections.
Heat network / district heating
District heating in Sumiswald and Wasen, connection to the heat network, heating plants and heat supply from regional facilities and wood deliveries.
Communications network / fibre-optic connection
Operation of the communications network with FTTH expansion, products and services from Quickline, Internet, radio/TV, fixed-line telephony and mobile subscriptions, as well as operating fees.
Trust & reputation

ranQ Trust Score of Energie AG Sumiswald: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 100% · As of November 2026

Energie AG Sumiswald scores 44.6 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.29.324%
  • 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.40.910%
  • 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.95.08%
Energie AG Sumiswald scores 92.3 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.82.07%
Energie AG Sumiswald 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%
Energie AG Sumiswald scores 5.3 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 35.0.64%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Energie AG Sumiswald reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 1.8 out of 5 stars from 4 customer reviews. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
1.8
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle1.84
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

October 7, 2021Media
Vor 20 Jahren in Sumiswald – Eine Gemeinde und ihr Goldesel
bernerzeitung.ch

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Location

Eystrasse 10
3455 Grünen
Opening hours
Mon
08:00 - 12:00, 14:00 - 17:00
Tue
08:00 - 12:00, 14:00 - 17:00
Wed
08:00 - 12:00, 14:00 - 17:00
Thu
08:00 - 12:00, 14:00 - 17:00
Fri
08:00 - 12:00, 14:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.720.123
Founded
1999 · 27 years
Last commercial register change
July 22, 2026
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.
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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