Company lists · Data verified August 2026

Top 11 Clinical trial staffing based in Switzerland

There are 31 clinical trial staffing headquartered in Switzerland (RevenueBase, August 2026). RevenueBase tracks 2,956 professional contacts across them, including 1,693 with verified work emails and 322 with mobile numbers. Zug is the largest hub.

This list covers clinical trial staffing headquartered in Switzerland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

31Companies
2,956Contacts tracked
1,693Verified emails
322Mobile numbers
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The 11 largest clinical trial staffing based in Switzerland

Ranked by team size
Top 11 of 31 clinical trial staffing based in Switzerland, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1PSI CROZug1,001-5,0002,4931,553
2ClintecZug501-1,00013832
3CPL Life SciencesBasel51-2005316
4Hippocrates ResearchLugano51-2004531
5Milestone ONEZug51-2003922
6Gloor & Lang Pharma And Biotech RecruitingBaden11-5063
7Aretè Solutions SaglLugano1-1041
8Schmid ConsultSt Gallen11-5031
9RodanotechGeneva1-1031
10Galser SANeuchatel1-1022
11Osq-ExpertNeuchatel1-1011

Showing 11 of 31 clinical trial staffing based in Switzerland

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Clinical trial staffing based in Switzerland at a glance

As of Aug 28, 2026
1-10Median size (employees)
ZugLargest hub · 6 HQs
322Contacts with mobile numbers
7Emails re-verified in last 30 days

Companies by employee count

1-10
15
11-50
8
51-200
4
501-1,000
1
1,001-5,000
2

Clinical trial staffing by metro

MetroCompanies
Clinical trial staffing in Zug6
Clinical trial staffing in Lugano3
Clinical trial staffing in Basel3
Clinical trial staffing in Geneva2
Clinical trial staffing in Neuchatel2
Clinical trial staffing in Moehlin2
Clinical trial staffing in Lausanne1
Clinical trial staffing in Nyon1

How this list was built

Source
The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion
Companies whose own business descriptions match “clinical trial staffing”, with match quality audited by blind human judging, and headquartered in Switzerland.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Contact records re-verify on a rolling cadence; 7 contacts on this list were re-verified in the last 30 days.
Refresh
Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many clinical trial staffing are there based in Switzerland?

There are 31 clinical trial staffing headquartered in Switzerland as of August 2026 (RevenueBase).

What is the largest company on this list?

PSI CRO, headquartered in Zug, tops this list with the largest team on record.

Which city has the most clinical trial staffing?

Zug leads with 6 headquartered companies, followed by Lugano (3) and Basel (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,693 verified decision-maker contacts tracked across these 31 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.