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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSustainability SectorOberwil B. Zugee3 GmbH
ee3 GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of ee3 is consulting and implementing solutions in the fields of renewable energy, energy efficiency and sustainability for companies and private individuals. The company offers a wide range of services, including energy concepts, energy monitoring, energy measures, energy audits, energy consulting and energy labeling. ee3 supports customers in developing sustainable energy concepts, optimizing energy consumption and reducing CO2 emissions.

AI-generated
Offering

Products & services

Industry:Sustainability Sector
✓ Offered9
Solar and energy concepts
Advice on renewable energies, sustainability, CO2 footprint, energy concepts, plus-energy buildings, energy efficiency, energy consumption analysis and operational optimisation.
Energy efficiency
Identification of energy-wasting loads and operating states without benefit, analysis of saving potential using EcoBox® Profiler measurements on the electricity meter.
Solar energy
Analysis of local irradiation conditions and simulation of the solar yield forecast for planning plus-energy buildings and using solar energy.
Sustainability
Development of concrete action catalogues for sustainable projects, with step-by-step implementation and measurable partial successes.
CO2 footprint
Minimisation of the company's CO2 footprint with solutions for a climate-neutral net-zero operation in stages.
Thermography
Thermography analyses to visualise thermal bridges, moisture damage and water ingress, and to monitor solar installations or individual solar panels.
Climate
Planning for climate-positive buildings with net-zero operation, use of renewable energies, high energy efficiency and optimised self-consumption of solar power.
Heat pumps
Combination of a heat pump and a solar system (photovoltaics) with the highest possible self-consumption of the generated solar electricity as the most cost-effective solution.
Electrosmog check
Assessment of electrosmog exposure, especially in sleeping areas, with measures to effectively reduce exposure.
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3.8/5

ee3 GmbH

Trust & reputation

ranQ Trust Score of ee3 GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

ee3 GmbH scores 49.8 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.68.224%
  • 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.17.610%
  • 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%
ee3 GmbH scores 83.0 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%
ee3 GmbH 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%
ee3 GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ee3 GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Tellenmattstrasse 11
6317 Oberwil B. Zug

At a glance

Legal form
Limited Liability Company
UID
CHE-115.391.425
Founded
2010 · 16 years
Last commercial register change
February 4, 2010
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.
88.0
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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