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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringMännedorfPassam AG
Passam AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Passam AG is an accredited testing laboratory for air quality monitoring that manufactures passive samplers and analyses exposures using spectrophotometry, gas chromatography and ion chromatography in accordance with DIN EN ISO/IEC 17025. The company supplies passive samplers and accessories and offers services such as sample analysis, consulting, mapping and annual reporting.

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Offering

Products & services

Industry:Technical Consulting & Engineering
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4.1/5

Passam AG

Testing & Inspection Centers
✓ Offered6
Passive samplers
Passive samplers for assessing air quality in outdoor and indoor environments and at the workplace; various samplers for pollutants as well as analysis in an accredited laboratory.
Services
Annual report, consulting, analysis and mapping of measurement results and environmental air; support with the planning and execution of studies and projects.
Accessories
Membranes for tube samplers and protective containers for mounting sampling devices; accessories to protect against weather conditions and for safe return to the laboratory.
Sampling protocols
Excel templates for recording exposure times for passive samplers; versions for different languages as well as a special template for the NOx set.
Instructions
Instructions for using various passive sampler types: tube type, badge type, glass type and particle.
Information sheets
Information sheets on detection limits, protective filters, Measuring Strategy: Transect, Standardisation of Passive Sampling and Demonstration of Equivalence NO2.
Trust & reputation

ranQ Trust Score of Passam AG: 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.

Passam AG 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%
Passam AG 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%
Passam AG scores 83.3 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).83.322%
Passam AG scores 60.0 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 35.60.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Passam AG 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

Schellenstrasse 44
8708 Männedorf

At a glance

Legal form
Corporation
UID
CHE-106.315.081
Founded
1994 · 32 years
Last commercial register change
October 30, 2020
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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