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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesEngineerRenens VdNAO Energy SA
NAO Energy SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

NAO Energy SA plans and installs photovoltaic systems, heat pumps, battery storage, charging stations, solar carports, thermodynamic water heaters and air-conditioning systems. Its services cover project stages from energy assessments and planning to installation, commissioning and maintenance.

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Service area

Offering

Products & services

Industry:Engineer
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NAO Energy SA

✓ Offered3
Photovoltaic panels
Installation of photovoltaic solar panels, custom engineering, certified installation, commissioning, production monitoring and management of federal and cantonal subsidies.
Storage batteries
Solar storage batteries, custom sizing, storage of photovoltaic surplus, EMS control, backup function and support for cantonal subsidies.
EV charging station
Installation of charging stations for electric or hybrid vehicles, technical study, on-site visit, connection, commissioning, smart charging and solar charging.
Trust & reputation

ranQ Trust Score of NAO Energy SA: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 88% · As of November 2026

NAO Energy SA scores 78.5 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.69.524%
  • 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.100.010%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
NAO Energy SA scores 82.4 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.86.512%
  • 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%
NAO Energy SA scores 86.7 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).86.722%
NAO Energy SA scores 68.6 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 35.68.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

NAO Energy SA reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 89 customer reviews. The data basis is 88%, 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.

Reviews

Aggregated rating

Aggregated rating
4.4
of 5

Aggregated from 89 reviews across all connected sources

Sources
GGoogle4.489
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Avenue des Baumettes 3
1020 Renens Vd
Opening hours
Mon
08:30 - 12:30, 13:30 - 17:30
Tue
08:30 - 12:30, 13:30 - 17:30
Wed
08:30 - 12:30, 13:30 - 17:30
Thu
08:30 - 12:30, 13:30 - 17:30
Fri
08:30 - 12:30, 13:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-237.512.502
Founded
2016 · 10 years
Last commercial register change
July 10, 2026
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • VDRenens (VD)
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.95.03%
    • Full methodology

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