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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryMedical Technology IndustryPerlyPlair SA
Plair SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Plair SA is the development, manufacture and provision of instruments and solutions for the real-time detection of bioaerosols and microorganisms in the air, particularly for monitoring air quality in various environments such as the pharmaceutical, cosmetics, food and beverage industries as well as in research and development.

AI-generated
Offering

Products & services

Industry:Medical Technology Industry
✓ Offered4
Real-Time Air Microbial Monitoring (Rapid-C+)
Real-time viable particle monitoring, total particle counting, and continuous active air sampling for environmental monitoring in cleanrooms and aseptic processing; includes microbial identification on standard agar media.
Bioaerosol Sensor (Rapid-E+)
Real-time airborne particle identification, continuous measurement of particles from 0.3 to 100 micrometers, and applications for pollen counting, particulate matter monitoring, and bacterial or fungal spore detection.
Airborne Particle Detector (Rapid-E)
Real-time single-particle analysis for airborne particles from 0.5 to 100 micrometers, with light scattering, fluorescence measurements, fluorescence lifetime measurements, and remote operation.
Airborne Particle Sampling Unit (E-Catch)
Sampling unit for Rapid-E+ with reusable sampling plates, on-demand collection of bioaerosols, customized sampling rate, and later analysis of sampling plates.
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4.1/5

Plair SA

Trust & reputation

ranQ Trust Score of Plair 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.

Plair 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%
Plair SA scores 86.1 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%
Plair 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%
Plair SA scores 94.3 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 35.94.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Plair 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

Route de Saint-Julien 275
1258 Perly
Opening hours
Mon
08:30 - 18:00
Tue
08:30 - 18:00
Wed
08:30 - 18:00
Thu
08:30 - 18:00
Fri
08:30 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-270.490.998
Founded
2014 · 12 years
Last commercial register change
September 11, 2026
Employees
11 to 20
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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