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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringRossens FrETG SA
ETG SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of ETG SA is the planning, execution and consulting of construction projects, particularly in the field of technical building equipment such as heating, ventilation, air conditioning and sanitary technology. The company offers services such as technical studies, project management, consulting and cost estimates to ensure an efficient and environmentally friendly realization of construction projects.

AI-generated
Offering

Products & services

Industry:Technical Consulting & EngineeringConstruction & Project Management
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4.0/5

ETG SA

General Contractors
✓ Offered3
Technical studies
Technical planning of construction projects, analyses and calculations, energy balances, requests for Minergie labels, public inquiry dossiers, quotations and calls for tenders.
Technical project management
Steering of construction projects, site and safety monitoring, contractor contracts, coordination of stakeholders, financial follow-up, adherence to deadlines and after-sales service.
Advice & quotes
Advice for construction projects and preparation of quotes, via the contact channel indicated on the site.
Trust & reputation

ranQ Trust Score of ETG SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of October 2026

ETG SA has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
ETG SA scores 70.4 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.55.07%
ETG SA scores 83.3 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).83.322%
ETG SA scores 0.6 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 35.0.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ETG SA reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

Knowledge

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Location

Chemin de Combernesse 4
1728 Rossens Fr

At a glance

Legal form
Corporation
UID
CHE-221.012.636
Founded
2021 · 5 years
Last commercial register change
September 23, 2021
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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