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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentPhotovoltaicsRossens VdiZY SOLAIRE Jérôme Gosteli
iZY SOLAIRE Jérôme Gosteli Logo
Verified· 3 sourcesTrust Score3.7/5

iZY SOLAIRE Jérôme Gosteli

Summary

About the company

The core activity of iZY SOLAIRE is the planning, installation and maintenance of solar systems, as well as consulting and implementing projects in the field of renewable energies, particularly solar energy. The company also offers services for energy saving and production.

AI-generated
Presence

Service area

Trust & reputation

ranQ Trust Score of iZY SOLAIRE Jérôme Gosteli: 3.7 out of 5.0

Trust Score3.7
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/ 5.0

Solid

x

Data basis 96% · As of November 2026

iZY SOLAIRE Jérôme Gosteli scores 49.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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%
iZY SOLAIRE Jérôme Gosteli scores 75.3 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.92.512%
  • 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%
iZY SOLAIRE Jérôme Gosteli 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%
iZY SOLAIRE Jérôme Gosteli scores 5.4 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.5.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

iZY SOLAIRE Jérôme Gosteli reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». 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 November 2026.

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

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

Route de Villarzel 2
1554 Rossens Vd

At a glance

Legal form
Sole proprietorship
UID
CHE-290.438.989
Founded
2014 · 12 years
Last commercial register change
January 10, 2020
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • VDVillarzel
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.
67.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%

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