Company lists · Data verified August 2026

Top 23 Clinical trial staffing based in Belgium

Name: Clinical trial staffing based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 36 companies tracked

There are 36 clinical trial staffing headquartered in Belgium (RevenueBase, August 2026). RevenueBase tracks 926 professional contacts across them, including 379 with verified work emails and 136 with mobile numbers. Brussels is the largest hub.

This list covers clinical trial staffing headquartered in Belgium, 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.

36Companies

926Contacts tracked

379Verified emails

136Mobile numbers

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The 23 largest clinical trial staffing based in Belgium

Ranked by team size

Top 23 of 36 clinical trial staffing based in Belgium, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Proclinical Staffing	Brussels	51-200	209	88
2	Anju Software	Berchem	201-500	177	52
3	IDDI	Ottignies	51-200	169	83
4	Novellas Healthcare	n/a	51-200	65	40
5	Firstwave Clinical Consultancy	Brussels	51-200	46	5
6	4clinics	Waterloo	51-200	23	8
7	Fern Valley	Kontich	11-50	22	12
8	HEMEX	Leuven	11-50	21	10
9	Xper Research	Gent	11-50	20	13
10	Solcur	Kontich	11-50	15	13
11	Dice-Cro	n/a	11-50	15	13
12	Deltaclinical	Willebroek	11-50	12	3
13	Sillar Clinical	Sint-Martens-Latem	11-50	9	6
14	Ecsor SA NV	n/a	11-50	8	2
15	AD HOC Clinical	Ypres	11-50	7	5
16	Trialzen	Lasne	11-50	6	5
17	Aesculape CRO	Belsele	11-50	6	2
18	QBD Clinical	Lier	11-50	5	4
19	Clintrial-Net Ct-N	Leuven	1-10	5	2
20	Harmony Clinical Research BV	Melle	11-50	3	2
21	Medex15	Antwerp	1-10	3	2
22	HCM Health Care Management	n/a	51-200	2	1
23	Cliniresearch	Merelbeke	1-10	1	1

Showing 23 of 36 clinical trial staffing based in Belgium

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Clinical trial staffing based in Belgium at a glance

As of Aug 28, 2026

11-50Median size (employees)

BrusselsLargest hub · 3 HQs

136Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Clinical trial staffing by metro

Metro	Companies
Clinical trial staffing in Brussels	3
Clinical trial staffing in Leuven	3
Clinical trial staffing in Kontich	2
Clinical trial staffing in Hasselt	2
Clinical trial staffing in Maaseik	1
Clinical trial staffing in Gent	1
Clinical trial staffing in Zwijndrecht	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 Belgium.
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; 1 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 Belgium?

There are 36 clinical trial staffing headquartered in Belgium as of August 2026 (RevenueBase).

What is the largest company on this list?

Proclinical Staffing, headquartered in Brussels, tops this list with the largest team on record.

Which city has the most clinical trial staffing?

Brussels leads with 3 headquartered companies, followed by Leuven (3) and Kontich (2).

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 379 verified decision-maker contacts tracked across these 36 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.