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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIT & CommunicationSoftware DevelopmentLausanneE4tech Software SA
E4tech Software SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

E4tech Software SA develops software and provides consulting services in building physics and building energy analysis. The company supplies programs and tools for energy demand calculations, U‑value and thermal inertia assessment, life‑cycle analysis, and interoperability between BIM and BEM, and maintains material data exchange tools. It collaborates with research institutes and industry partners on simulation projects and standards compliance.

AI-generated
Offering

Products & services

Industry:Software Development
✓ Offered3
Building energy simulation software
Calculation of a building’s energy requirement, power, comfort and life cycle; thermal and ecological certification software, BIM import/export and Swiss, Luxembourg and European standards.
Software development
Development of software tools for sustainable buildings and energy applications; projects for BIM/BEM interoperability platforms, Minergie-ECO tools and solar simulation tools.
Software tool for material-to-housing data exchange (MaterialsDB.org)
Tool to facilitate the exchange of information between material suppliers and construction software; independent management of material databases via an open XML format.
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4.1/5

E4tech Software SA

Trust & reputation

ranQ Trust Score of E4tech Software SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

E4tech Software 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%
E4tech Software SA scores 85.5 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.55.07%
E4tech Software 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%
E4tech Software SA scores 34.3 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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

E4tech Software SA reaches a ranQ Trust Score of 4.1 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.

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Location

Avenue de la Gare 10
1003 Lausanne
Opening hours
Mon
09:30 - 17:00
Tue
09:30 - 17:00
Wed
09:30 - 17:00
Thu
09:30 - 17:00
Fri
09:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-115.264.293
Founded
2009 · 17 years
Last commercial register change
June 10, 2022
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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