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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,888 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRecruitment & HR ConsultingWinterthurAdecco Ressources Humaines SA
Adecco Ressources Humaines SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Adecco Ressources Humaines SA provides HR and staffing services for candidates and employers, including temporary and permanent placement, payrolling, onsite and outsourcing solutions, recruitment process outsourcing and project placement, as well as candidate tools such as a CV builder.

AI-generated
Offering

Products & services

Industry:Recruitment & HR Consulting
✓ Offered9
Temporary staffing
Temporary staffing for seasonal fluctuations, sickness-related absences or hiring freezes; placement of employees to bridge staffing shortages.
Permanent placement
Permanent placement from the search phase to selection; support in filling long-term positions and putting together suitable teams.
Payroll outsourcing
Payroll outsourcing for outsourcing payroll and salary processing; administrative handling via the payroll service.
Onsite recruitment
Onsite recruitment services directly at the customer’s premises; coordination of HR processes by an expert team.
Job Center
Job Center for employees’ job search; one-to-one interviews, placement, process management and success measurement.
Master vendor service
Master vendor service with takeover of the recruitment and administration process, including supplier management and coordination of temporary staff.
Business process outsourcing
Outsourcing of business processes to reduce the burden in terms of time, resources and costs.
Project placement
Project placement with qualified specialists for targeted support in implementing projects.
Recruitment Process Outsourcing (RPO)
Taking over the entire recruitment and administration process in the permanent placement area as a long-term partner or on a project basis.
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4.3/5

Adecco Ressources Humaines SA

Trust & reputation

ranQ Trust Score of Adecco Ressources Humaines SA: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Adecco Ressources Humaines SA scores 66.6 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.67.924%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.40.910%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.95.08%
Adecco Ressources Humaines SA scores 91.6 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.100.07%
Adecco Ressources Humaines SA scores 85.0 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).85.022%
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 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.5 out of 5 stars from 4 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle4.54
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Bahnhofplatz 6
8400 Winterthur

At a glance

Legal form
Branch
UID
CHE-423.991.988
Founded
1993 · 33 years
Last commercial register change
September 28, 2026
Employees
More than 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.76.06%
  • 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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