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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesEngineerWeiningen ZhK2plus Energieberatung GmbH
K2plus Energieberatung GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

K2plus Energieberatung GmbH provides independent energy consulting for property owners, SMEs and architects. Its services include heating advice, client representation for construction projects, building energy assessments, and consulting on photovoltaics, lighting and electric mobility.

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Offering

Products & services

Industry:Engineer
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3.8/5

K2plus Energieberatung GmbH

Nature conservation organization
✓ Offered8
Energy consulting for heating replacement
Free or professional initial consultation for heating replacement, clarification of the heating system, costs, funding contributions, offer comparison and project support.
Client representation
Independent client representation for energy and building services projects, monitoring cost and quality targets, representing interests and second opinions on completed installations.
GEAK preparation
Preparation of the cantonal building energy certificate after a site visit to the property, including GEAK documents for authorities and renovation projects.
Photovoltaic consulting
Advice on the feasibility and selection of photovoltaic systems for buildings and plots, including initial analysis, requests for quotations and support for implementation.
E-mobility consulting
Consulting on the right charging strategy for electric vehicles, including site, user and grid clarification for private, semi-public and public charging stations.
Energy analysis of buildings
Analysis of energy consumption and efficiency of buildings, identification of weaknesses in the building envelope and systems, and proposals for renovation measures.
Energy consulting for SMEs (PEIK)
Professional energy consulting for SMEs with analysis of energy consumption, identification of savings potential, measures report and support with implementation.
Lighting technology consulting
Advice on energy-efficient lighting, conversion to LED, selection of luminaires and controls as well as payback calculations and implementation support.
Trust & reputation

ranQ Trust Score of K2plus Energieberatung GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 54% · As of November 2026

K2plus Energieberatung GmbH has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
K2plus Energieberatung GmbH scores 57.1 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.39.612%
  • 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%
K2plus Energieberatung GmbH scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
K2plus Energieberatung GmbH scores 4.3 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 35.4.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

K2plus Energieberatung GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Kirchstrasse 5
8104 Weiningen Zh

At a glance

Legal form
Limited Liability Company
UID
CHE-317.455.741
Founded
2024 · 2 years
Last commercial register change
September 6, 2024
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZHWeiningen (ZH)
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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