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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesEngineerCrissierEffin'Art Sàrl
Effin'Art Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Effin'Art is consulting and engineering in the field of energy efficiency and climate protection, particularly in the planning and realization of buildings. The company develops and implements concepts for optimal energy efficiency and minimal environmental impact, focusing on passive potentials such as natural lighting and ventilation, and promoting bioclimatic architecture. Effin'Art works closely with architects, builders, and other specialist offices to create buildings that meet the needs of users while being environmentally friendly.

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Service area

Offering

Products & services

Industry:EngineerNature conservation organization
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Effin'Art Sàrl

✓ Offered8
Building energy consulting
Energy design for buildings and their HVAC installations, development of projects in new construction or renovation, support for the client, monitoring of implementation and commissioning.
Building physics
Energy balances for public submission and Minergie, Minergie P, Minergie A certifications, calculations of thermal bridges and vapour diffusion, selection of materials, thermography and blower-door tests.
Building automation
Design and implementation of building automation systems, GTC and MCR for controlling and optimising technical installations.
Energy optimisation of buildings and industrial processes
Energy management and optimisation in buildings and industrial processes, with consumption analysis and improvement of operations.
Energy production for sustainable sites and neighbourhoods
Solar generation, seasonal storage, heat pumps on geothermal boreholes, energy recovery, district heating, cogeneration and trigeneration.
Thermal and airflow simulations
Dynamic simulation of buildings and their energy systems, calculation of indoor and outdoor air movements, smoke extraction simulations and CFD modelling.
Natural lighting calculation
Calculation of natural lighting in the building, with simulation and measurements on models or in full scale for solar exposure and daylight.
Energy training and awareness
Training and teaching as part of awareness and energy optimisation programmes, related to buildings and their operation.
Trust & reputation

ranQ Trust Score of Effin'Art 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.

Effin'Art 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%
Effin'Art Sàrl scores 83.5 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.92.512%
  • 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%
Effin'Art Sàrl scores 86.7 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Effin'Art Sàrl scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Effin'Art 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

Route de Prilly 25
1023 Crissier

At a glance

Legal form
Limited Liability Company
UID
CHE-203.896.469
Founded
2014 · 12 years
Last commercial register change
July 28, 2025
Employees
11 to 20

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