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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumberRenens VdFerrini Engineering Sàrl
Ferrini Engineering Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Ferrini Engineering Sàrl is an engineering firm for energy and building services. It plans and oversees building systems and provides services in heating, ventilation, plumbing, building simulation and energy consulting.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Plumber
✓ Offered7
Building services planning
Preparation of the specifications, sizing of the installations, modelling and drawings for each phase of the project, drafting of the tender documents.
Building physics and simulation
Certification and CECB/CECB+ reports, energy-consumption calculations, simulation of summer temperatures, moisture risks, thermal solar production and air flow.
Technical site supervision
Decision support, material control, preparation of schedules and acceptance of installations during execution of the works.
Installation – regie
Preparation of the tender, engagement of subcontractors, representation of the client, bid comparison, award of the works and control of invoices.
Renewable heating advice
Free on-site consultation for buildings with up to 6 dwellings or more than 6 dwellings, presentation of the possible heating systems, costs of the variants and an action checklist.
CECB
Building visit, identification of weak points in the thermal envelope and issuance of the CECB certificate for small and large buildings.
CECB Plus
Building visit, energy diagnosis, proposals to improve the envelope and technical installations, integration of solar solutions, budget, prioritisation and implementation plan.
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4.1/5

Ferrini Engineering Sàrl

Trust & reputation

ranQ Trust Score of Ferrini Engineering Sàrl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Ferrini Engineering Sàrl 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%
Ferrini Engineering Sàrl scores 83.0 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.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%
Ferrini Engineering Sàrl 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%
Ferrini Engineering Sàrl scores 0.3 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 35.0.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ferrini Engineering Sàrl 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Chemin de Corbettes 1
1020 Renens Vd

At a glance

Legal form
Limited Liability Company
UID
CHE-149.239.324
Founded
2011 · 15 years
Last commercial register change
March 5, 2020
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • VDRenens (VD)
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.
88.0
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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