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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentNature conservation organizationPrillyleBird Sàrl
leBird Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

leBird Sàrl is an engineering consultancy specialising in resource management and sustainable construction. Its services include advice on energy and building physics, hazardous substances in buildings, construction waste, environmental construction monitoring, and the recovery of used electrical and electronic equipment.

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Products & services

Industry:Nature conservation organization
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leBird Sàrl

Sustainable construction
Minergie-Eco, SNBS and SmeO certification; project support, optimisation of material selection and building details, embodied-energy and CO2 assessment, indoor air quality.
Energy and building physics
Energy audit, CECB/CECB+ expert assessment, thermal balance, documentation for public enquiry, Minergie certification, dossier checks and subsidy applications.
Asbestos and other building pollutants
Surveys before, during or after works; management of remediation and decontamination; air-quality measurements; analysis of contaminated sites and monitoring of earthworks.
SER and construction waste
Management of construction-site waste, water protection, environmental monitoring during execution, management of deconstruction works and setup of on-site waste collection points.
Recovery of used electrical and electronic equipment
Take-back of used devices, disassembly workshops, development of processing channels, studies on reuse, logistics and material recovery.
Other advice and expert assessments
Advice on operating waste management, planning of eco-points and waste collection centres, CSR initiatives, health-and-safety prevention at work, training and documentation.
Trust & reputation

ranQ Trust Score of leBird Sàrl: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of November 2026

leBird Sàrl scores 49.8 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.68.224%
  • 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: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.35.08%
leBird Sàrl scores 77.2 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.86.512%
  • 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.55.07%
leBird 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%
leBird Sàrl scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

leBird Sàrl reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Route de Renens 4
1008 Prilly

At a glance

Legal form
Limited Liability Company
UID
CHE-460.245.375
Founded
2016 · 10 years
Last commercial register change
July 10, 2026
Employees
1 to 10

Active in 1 of 26 cantons

  • VDVaud
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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