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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsYverdon-Les-BainsTAMAR SOLAR SA
TAMAR SOLAR SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

TAMAR SOLAR SA is a company specializing in photovoltaic solutions and provides turnkey solar projects. Its services include design and installation of photovoltaic systems, battery storage, EV charging stations, heat pumps, contracting and maintenance, and it handles subsidy applications and system monitoring.

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Offering

Products & services

Industry:Solar & Photovoltaics
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4.2/5

TAMAR SOLAR SA

✓ Offered
5
Design and installation of photovoltaic power plants
Design and installation of photovoltaic power plants on rooftops or dedicated structures, with technical sizing, energy optimisation, grid connection and support after commissioning.
Installation of energy storage solutions
Installation of battery systems for industrial, agricultural or commercial sites, with optimisation of self-consumption, reduction of energy costs and securing of electricity supply.
Supply and installation of sandwich panels
Supply and installation of roofing sandwich panels ensuring thermal insulation and waterproofing, in particular for renovations or as preparation for photovoltaic mounting structures.
Installation and removal of fall protection nets
Installation and removal of fall protection nets compliant with EN 1263-1 and SUVA requirements to secure construction sites.
Secure removal of fibre-cement
Secure dismantling and disposal of fibre-cement roofs containing asbestos, with containment, protection of workers and specialised treatment of waste.
Trust & reputation

ranQ Trust Score of TAMAR SOLAR SA: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

TAMAR SOLAR SA scores 87.5 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.91.024%
  • 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.86.510%
  • 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.78.08%
TAMAR SOLAR SA scores 64.1 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.50.012%
  • 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.55.07%
TAMAR SOLAR SA 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%
TAMAR SOLAR SA scores 4.9 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 35.4.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

TAMAR SOLAR SA reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 29 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 29 reviews across all connected sources

Sources
GGoogle529
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Rue Galilée 15
1400 Yverdon-Les-Bains
Opening hours
Mon
08:00 - 18:30
Tue
08:00 - 18:30
Wed
08:00 - 18:30
Thu
08:00 - 18:30
Fri
08:00 - 18:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-474.915.271
Founded
2023 · 3 years
Last commercial register change
July 24, 2025
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.
100.0
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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