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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringMontheySTG Swiss Technik Group Sàrl, Founex, succursale de Monthey
STG Swiss Technik Group Sàrl, Founex, succursale de Monthey Logo
Verified· 3 sourcesTrust Score
Summary

About the company

STG Swiss Technik Group Sàrl, Founex, succursale de Monthey provides engineering, design and turnkey installation of photovoltaic systems, energy storage solutions and heat pumps. The company’s in-house study office designs photovoltaic projects, handles administrative procedures and performs installation and commissioning with internal teams.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered7
Photovoltaic solar systems
Installation of photovoltaic solar panels, roof and consumption study, sizing, connection, commissioning, monitoring, maintenance and support for administrative procedures.
Heat pumps
Installation of heat pumps for homes, study of the existing situation, high-performance, sustainable and energy-saving heating solutions, with support towards an energy transition.
EV charging stations
Installation of EV charging stations for home or businesses, with fast, secure, scalable charging and possible integration with a solar installation.
Energy storage solutions
Installation of solar storage batteries to store surplus production, increase self-consumption and reduce grid dependency.
Thermodynamic water heaters
Installation of thermodynamic water heaters for domestic hot water production, with reduced energy consumption and a solution suited to homes.
Solar for businesses
Solar installation for businesses, industry and retail, as well as for agricultural buildings and multi-family buildings, with studies and solutions tailored to professional needs.
Business EV charging station
Installation of charging stations for businesses, with EV charging solutions in synergy with solar installations.
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3.6/5

STG Swiss Technik Group Sàrl, Founex, succursale de Monthey

Trust & reputation

ranQ Trust Score of STG Swiss Technik Group Sàrl, Founex, succursale de Monthey: 3.6 out of 5.0

Trust Score3.6/ 5.0

Solid

x

Data basis 88% · As of October 2026

STG Swiss Technik Group Sàrl, Founex, succursale de Monthey scores 40.5 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.50.024%
  • 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.17.610%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
STG Swiss Technik Group Sàrl, Founex, succursale de Monthey scores 69.0 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.64.612%
  • 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%
STG Swiss Technik Group Sàrl, Founex, succursale de Monthey 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%
STG Swiss Technik Group Sàrl, Founex, succursale de Monthey scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

STG Swiss Technik Group Sàrl, Founex, succursale de Monthey reaches a ranQ Trust Score of 3.6 out of 5.0 — rated «Solid». The rating draws, among other things, on 1.0 out of 5 stars from 1 customer reviews. The data basis is 88%, 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
1
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle11
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Route des Iles 1
1870 Monthey
Opening hours
Mon
08:00 - 12:00, 13:00 - 18:00
Tue
08:00 - 12:00, 13:00 - 18:00
Wed
08:00 - 12:00, 13:00 - 18:00
Thu
08:00 - 12:00, 13:00 - 18:00
Fri
08:00 - 12:00, 13:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-419.577.539
Founded
2021 · 5 years
Last commercial register change
December 29, 2021
Employees
11 to 20
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.76.06%
  • 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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