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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringBelmont-Sur-Lausanneac2Qualifications SA
ac2Qualifications SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of ac2Qualifications SA is the qualification, validation, consulting, planning assistance and calibration of clean rooms and controlled environments, particularly in the following areas: Clean room and separate equipment qualification, Temperature and humidity measurements, Testing of compressed gases, Hospital inspections, Tightness testing of ventilation ducts, Hygiene control of ventilation ducts, Metrology and calibration, Monitoring systems, Expert consulting and training, and Performance of DQ-IQ-OQ-PQ tests (Design Qualification, Installation Qualification, Operation Qualification, Performance Qualification).

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Products & services

Industry:Technical Consulting & Engineering
✓ Offered8
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ac2Qualifications SA

Cleanroom qualification and validation
Qualification of cleanrooms, isolators, PSM and laminar flow according to ISO 14644 and EU GMP Annex 1, with QI, QO, PQ, periodic requalifications and usable reports.
Metrology and calibration
Calibration on site or in the laboratory of temperature probes and sensors, relative humidity, differential pressure and gases, with certificate and metrological traceability.
Environmental monitoring
Monitoring systems for cleanrooms and controlled environments, with continuous monitoring of temperature, humidity, differential pressure, gases, doors and alarms.
Assistance to the project owner for cleanrooms
Independent support for the project owner with programming, design, tendering, site follow-up, acceptance and transition to qualification.
Qualification of hospital environments
Qualification and validation of operating rooms, ventilated medical premises, sterilisation, sterile storage, endoscope reprocessing, isolation rooms and analysis rooms.
Temperature and humidity mapping
Thermo-hygrometric mapping of climate chambers, refrigerators, freezers, blast freezers, cryogenic tanks and storage rooms according to FD X15-140 and ISPE.
Control of compressed gases
Testing the purity of compressed gases according to ISO 8573 for compressed air, nitrogen, oxygen, argon and CO2, with measurements for particulates, microbiological items, dew point and oil.
Training in Qualification and Validation (Q&V)
Customised trainings in-house, at the client’s site or with a partner, with the Qualification & Validation (Q&V) module delivered at HES-SO Valais.
Trust & reputation

ranQ Trust Score of ac2Qualifications 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.

ac2Qualifications 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.
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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%
ac2Qualifications SA 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%
ac2Qualifications 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%
ac2Qualifications SA scores 7.1 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 35.7.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ac2Qualifications 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 du Signal 16
1092 Belmont-Sur-Lausanne

At a glance

Legal form
Corporation
UID
CHE-110.030.233
Founded
2003 · 23 years
Last commercial register change
November 3, 2023
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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