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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRecruitment & HR ConsultingDietikonAdecco Ressources Humaines SA
Adecco Ressources Humaines SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Adecco Ressources Humaines SA is a human resources services provider that offers recruitment and workforce-management solutions. The company supplies temporary and permanent staffing and provides services such as payrolling, onsite management, outsourcing, RPO, project placement and training/job-centre offerings across multiple industry sectors.

AI-generated
Offering

Products & services

Industry:Recruitment & HR Consulting
✓ Offered9
Temporary placement
Temporary placement to cover staffing needs related to seasonal fluctuations, sick leave absences or hiring freezes; selection, administration, hours and salary management.
Permanent placement
Permanent placement to recruit permanent employees; search, pre-screening, final selection, candidate assessment, support up to placement and follow-up after starting work.
Payrolling
Payrolling for managing and distributing salaries of contract staff; contracts, HR administration, absence management, insurance, monthly invoicing and compliance.
On-site HR
On-site HR service with a dedicated contact person and team on the client’s premises; recruitment, administration, performance follow-up and temporary staff management.
Job Center
Job Center to support restructuring; initial interview, job search workshop, placement in the Adecco network, coaching, support for employees and language tests.
Master Vendor
Master Vendor to manage large recurring volumes of temporary staff; single point of contact, agency coordination, selection, placement, invoicing and an on-site model.
Outsourcing
Outsourcing of tasks or projects that are not strategic but essential; taking over processes, recruitment, training, personnel administration, documentation, reporting and coordination.
Project placement
Project placement for specialists employed by Adecco on project assignments; full administration, monthly salaries, insurance, travel expenses and training.
Recruitment Process Outsourcing (RPO)
Externalisation of the recruitment process for permanent work; talent strategy, sourcing and pre-selection, interviews, placements, onboarding and administrative HR management.
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4.1/5

Adecco Ressources Humaines SA

Trust & reputation

ranQ Trust Score of Adecco Ressources Humaines 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.

Adecco Ressources Humaines 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%
Adecco Ressources Humaines SA scores 90.6 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.96.07%
Adecco Ressources Humaines 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%
Adecco Ressources Humaines SA scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Adecco Ressources Humaines 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

Löwenstrasse 9/11
8953 Dietikon

At a glance

Legal form
Branch
UID
CHE-394.522.773
Founded
1993 · 33 years
Last commercial register change
March 28, 2022
Employees
101 to 500
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.
76.0
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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