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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesVernierWeinmann Energies S.A.
Weinmann Energies S.A. Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Weinmann Energies S.A. is an independent engineering consultancy specializing in building services, energy and sustainability. The firm provides planning, renovation and optimisation of technical installations (heating, ventilation, sanitary systems and building automation) and offers energy studies, building‑physics expertise and digitalisation/BIM services.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered5
HVAC(S) Study · MCR
Design of heating, ventilation, air conditioning, sanitary systems and control; heat pumps, mechanical ventilation, water treatment, sprinkler, supervision and predictive control.
Energy and Sustainability
Strategic studies, territorial energy and climate planning, building energy concepts, district heating networks, calculations, advice, certifications and subsidy application files.
Building Physics & Expertise
Thermal calculations, optimisation of insulation and solar protection, CFD simulations, smoke control, winter and summer comfort, technical and insurance expertises.
Energy Optimisation
Audits for large energy users, energy audits of systems and building envelope, monitoring, pinch analyses and support for performance optimisations.
Digitalisation
Methodology support for BIM, multidisciplinary information model, data management, quality control, training and standardisation, development of internal tools and processes.
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4.0/5

Weinmann Energies S.A.

Trust & reputation

ranQ Trust Score of Weinmann Energies S.A.: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Weinmann Energies S.A. scores 52.7 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.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.50.08%
Weinmann Energies S.A. 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%
Weinmann Energies S.A. 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%
Weinmann Energies S.A. scores 85.7 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 35.85.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Weinmann Energies S.A. reaches a ranQ Trust Score of 4.0 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.

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Location

Chemin de Blandonnet 2
1214 Vernier

At a glance

Legal form
Branch
UID
CHE-338.719.816
Founded
2010 · 16 years
Last commercial register change
April 20, 2023
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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