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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement ConsultingSisseln AgQSU Managementsysteme GmbH
QSU Managementsysteme GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of QSU Managementsysteme GmbH is the consulting and implementation of management systems for quality, environment and energy management, occupational health and safety, as well as hazardous substance, hazardous goods and waste management.

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Offering

Products & services

Industry:Management Consulting
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4.1/5

QSU Managementsysteme GmbH

✓ Offered3
Quality, Environmental and Energy Management
Creation, introduction and implementation of certifiable management systems; system development, process-oriented documentation, support for certifications and audits, representation to certification bodies and customers, employee training.
Occupational Safety and Health Protection
Safety specialist support, provision of the occupational safety specialist, risk assessments, conformity assessment procedures, occupational medical surveillance, employee training, organisational fire protection, provision of the fire safety officer.
Hazardous Substances, Dangerous Goods and Waste Management
Advisory services, walkthroughs/inspections, training, support with hazardous substance registers and action catalogues, appointment of external hazardous substance and dangerous goods officers as well as waste management with concepts, control of waste streams and annual reports.
Trust & reputation

ranQ Trust Score of QSU Managementsysteme GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

QSU Managementsysteme GmbH 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%
QSU Managementsysteme GmbH scores 83.0 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
QSU Managementsysteme GmbH 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%
QSU Managementsysteme GmbH scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

QSU Managementsysteme GmbH 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

Bahnhofstrasse 75
4334 Sisseln Ag

At a glance

Legal form
Limited Liability Company
UID
CHE-102.307.852
Founded
2001 · 25 years
Last commercial register change
June 5, 2026
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.
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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