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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentEnergy SuppliersThônextera solar sa
tera solar sa Logo
Verified· 3 sourcesTrust Score
Summary

About the company

tera solar sa is a company that designs, supplies and installs photovoltaic solar systems. Its services include solar batteries, electric vehicle charging stations, solar carports, contracting and self‑consumption solutions, offered as turnkey projects with financing options primarily for clients in French‑speaking Switzerland.

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Offering

Products & services

Industry:Energy SuppliersSolar & Photovoltaics
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tera solar sa

✓ Offered5
Photovoltaic panels
Installation of photovoltaic solar panels, study and dimensioning, commissioning, self-consumption, resale of excess, integration on flat, pitched or green roofs.
Solar battery
Installation of solar storage batteries, needs audit, coupling with photovoltaic panels, optimization of self-consumption, backup power supply and intelligent energy monitoring.
EV charging station
Installation of electric charging stations, site audit, maintenance, home and business solutions, integration with photovoltaic panels and smart energy management.
Photovoltaic contracting
Financing, installation and maintenance of photovoltaic installations without initial investment, with operation of the roof, a defined tariff per kWh, and turnkey support.
Solar self-consumption
Support for individual and collective solar self-consumption, technical and economic analysis, local energy allocation, creation of energy communities and optimization of consumption profiles.
Trust & reputation

ranQ Trust Score of tera solar sa: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

tera solar sa scores 79.9 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.86.524%
  • 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.72.110%
  • 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.70.08%
tera solar sa scores 70.2 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.58.012%
  • 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%
tera 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.
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%
tera solar sa scores 82.9 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 35.82.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

tera 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 16 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 16 reviews across all connected sources

Sources
GGoogle516
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Chemin de la Mousse 80
1226 Thônex
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-308.381.776
Founded
2022 · 4 years
Last commercial register change
April 8, 2026
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.95.03%
    • Full methodology

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