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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSustainability SectorPetit-LancyW&W, Waste&Watt Sàrl
W&W, Waste&Watt Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company W&W (Waste & Watt) offers solutions for sustainable development, particularly in the areas of energy efficiency and waste management. The core activities include: energy audits and optimization for companies and municipalities, development of strategies for reducing energy consumption and waste, implementation of measures to increase energy efficiency and promote renewable energies, and consulting and support for the implementation of sustainable solutions for companies, municipalities, and private individuals. W&W's core activities focus on supporting companies and municipalities in implementing the 2050 strategy and reducing their ecological footprint.

AI-generated
Offering

Products & services

Industry:Sustainability Sector
✓ Offered5
PEIK consulting
PEIK audit, planning and implementation of energy performance measures, and effectiveness checks for SMEs and large consumers to reduce energy consumption.
Services for municipalities
Action plans for energy savings in municipal buildings, awareness-raising and training, event facilitation, support for households and waste management.
User-side project assistant
Guidance for users during renovation phases to optimise the expected energy performance and limit barriers linked to the human factor.
Delegated property energy manager (GEDi)
Support for property owners for a subsidised energy audit, identification of improvement areas and estimation of the available subsidies.
Heat Expenditure Index calculation (IDC)
Calculation of the IDC and preparation of the form to be signed and submitted to OCEN for villas and buildings subject to this legal obligation.
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4.1/5

W&W, Waste&Watt Sàrl

Trust & reputation

ranQ Trust Score of W&W, Waste&Watt Sàrl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

W&W, Waste&Watt Sàrl 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.
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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%
W&W, Waste&Watt Sàrl scores 75.7 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.79.212%
  • 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%
W&W, Waste&Watt Sàrl scores 83.3 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).83.322%
W&W, Waste&Watt Sàrl scores 4.0 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 35.4.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

W&W, Waste&Watt Sàrl reaches a ranQ Trust Score of 4.1 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 October 2026.

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

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Location

Chemin du Gué 93
1213 Petit-Lancy

At a glance

Legal form
Limited Liability Company
UID
CHE-162.091.377
Founded
2018 · 8 years
Last commercial register change
September 4, 2023
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.85.03%
    • Full methodology

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