Company lists · Data verified August 2026
Top 21 Clinical trial staffing based in Poland
There are 53 clinical trial staffing headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 1,152 professional contacts across them, including 467 with verified work emails and 36 with mobile numbers. Warsaw is the largest hub.
This list covers clinical trial staffing headquartered in Poland, 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.
The 21 largest clinical trial staffing based in Poland
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 | 99 | |
| 2 | 92 | |
| 3 | 90 | |
| 4 | 50 | |
| 5 | 22 | |
| 6 | 14 | |
| 7 | 10 | |
| 8 | 20 | |
| 9 | 20 | |
| 10 | 8 | |
| 11 | 8 | |
| 12 | 4 | |
| 13 | 3 | |
| 14 | 3 | |
| 15 | 6 | |
| 16 | 1 | |
| 17 | 1 | |
| 18 | Clinical Consulting Poland | 5 |
| 19 | 4 | |
| 20 | 4 | |
| 21 | 2 |
Showing 21 of 53 clinical trial staffing based in Poland
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Clinical trial staffing based in Poland at a glance
As of Aug 28, 2026Companies by employee count
Clinical trial staffing by metro
| Metro | Companies |
|---|---|
| Clinical trial staffing in Warsaw | 15 |
| Clinical trial staffing in Warszawa | 7 |
| Clinical trial staffing in Krakow | 5 |
| Clinical trial staffing in Wroclaw | 3 |
| Clinical trial staffing in Pleszew | 2 |
| Clinical trial staffing in Katowice | 2 |
| Clinical trial staffing in Tychy | 1 |
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 Poland.
- 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; 2 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 Poland?
There are 53 clinical trial staffing headquartered in Poland as of August 2026 (RevenueBase).
What is the largest company on this list?
Cromsource, headquartered in Warsaw, tops this list with the largest team on record.
Which city has the most clinical trial staffing?
Warsaw leads with 15 headquartered companies, followed by Warszawa (7) and Krakow (5).
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 467 verified decision-maker contacts tracked across these 53 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.
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