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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentPhotovoltaicsCrissierGTS SA
GTS SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

GTS SA designs and installs photovoltaic systems for households, farms, businesses, public authorities and construction projects. Its services also include battery storage, EV charging stations, maintenance and repairs, as well as heat pumps and air-conditioning systems.

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Service area

Offering

Products & services

Industry:Photovoltaics
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GTS SA

✓ Offered11
Photovoltaic system installation
Installation of photovoltaic panels for private individuals, farmers, businesses, public bodies and developers; feasibility study, sizing, quotation, permits, construction, certification.
Photovoltaic façades
Photovoltaic façades for agricultural buildings, businesses, public bodies and construction projects; use of vertical surfaces, electricity generation and improvement of thermal insulation.
Carport / solar shelter
Carport / solar shelter to protect vehicles and outdoor areas while generating electricity; proposed solution for private individuals, businesses, public bodies and developers.
Energy storage battery
Energy storage battery to store the electricity produced, use it in the evening or during consumption peaks, and increase energy self-sufficiency.
Charging stations
Charging stations for electric vehicles, with assessment, full installation, connection, commissioning, after-sales service and maintenance.
Photovoltaic maintenance
Maintenance contracts, remote monitoring, function checks, cleaning, weed control and production follow-up to guarantee performance and long service life.
Photovoltaic troubleshooting & repair
Troubleshooting and repair of photovoltaic solar installations, with fault diagnostics on panels, inverter or battery and rapid intervention.
Agrivoltaics
Agrivoltaic solutions for land and agricultural operations, with panels on plots, fences or existing structures; electricity generation and preservation of agricultural land.
Photovoltaic expertise
Photovoltaic expertise for installations or projects, with analysis of special construction sites and technical support for complex configurations.
Energy audit
Energy audit with analysis of consumption, detection of losses, assessment of performance and recommendations for improvement and profitability.
Buy-back of energy surplus
Administrative support for the buy-back of surplus energy, with explanations of compensation, grid injection, subsidies and steps related to Pronovo.
Trust & reputation

ranQ Trust Score of GTS SA: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of November 2026

GTS SA scores 83.6 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.73.324%
  • 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.99.010%
  • 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.95.08%
GTS SA scores 89.3 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.100.012%
  • 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.70.07%
GTS SA scores 86.7 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).86.722%
GTS SA scores 62.9 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 35.62.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GTS SA reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.5 out of 5 stars from 48 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.

Reviews

Aggregated rating

Aggregated rating
4.5
of 5

Aggregated from 48 reviews across all connected sources

Sources
GGoogle4.548
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hier entsteht die Karte
Chemin des Lentillières 24
1023 Crissier
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-114.613.669
Founded
2008 · 18 years
Last commercial register change
October 7, 2026
Employees
11 to 20

Active in 1 of 26 cantons

  • VDVaud
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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