Company lists · Data refreshed September 2026

Top 22 Oncology clinical trial sites based in the Netherlands

RevenueBase identified 55 company matches for oncology clinical trial sites associated with the Netherlands as of September 2026 and tracks 1,149 professional contacts across them, including 565 with verified work emails. Rotterdam is the largest hub.

This list covers company matches for oncology clinical trial sites associated with the Netherlands, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 17, 2026 How this list was built
55Companies
1,149Contacts tracked
565Verified emails
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The 22 largest oncology clinical trial sites based in the Netherlands

Ranked by team size
Top 22 of 55 company matches for oncology clinical trial sites based in the Netherlands, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLeiden, NetherlandsHQ recorded Sep 17, 2026201-500367 contacts →

Exact match

“The CRO for data-intensive, early phase clinical studies.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2Exact matchZeist, NetherlandsHQ recorded Sep 17, 2026201-500185 contacts →

Exact match

“P95 Julius Clinical is a global, science-led contract research organization (CRO) supporting clinical development from early-phase trials through late-phase and real-world…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3Exact matchAmsterdam, NetherlandsHQ recorded Sep 17, 202651-200137 contacts →

Exact match

“Our mission is to enable earlier and better access to all possible treatment options.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4Exact matchSchiphol-rijk, NetherlandsHQ recorded Sep 17, 202651-20034 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5Exact matchGroningen, NetherlandsHQ recorded Sep 17, 202651-20027 contacts →

Exact match

“Biokinetica Early Phase Institute is a specialized clinical research unit conducting early phase studies in both healthy volunteers and patient populations.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6Exact matchMaarssen, NetherlandsHQ recorded Sep 17, 202651-20022 contacts →

Exact match

“CR2O is a full-service Contract Research Organization.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7Exact matchDeventer, NetherlandsHQ recorded Sep 17, 202611-5018 contacts →

Exact match

“At ResearchManager, we believe in a world where everyone has the chance to live a healthier, longer life.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8Exact matchNorg, NetherlandsHQ recorded Sep 17, 202611-5013 contacts →

Exact match

“Personal business, Personal touch-that’s what sets us apart for our clients but also the site staff.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9Exact matchRoosendaal, NetherlandsHQ recorded Sep 17, 202611-5012 contacts →

Exact match

“For 25 years, Siron Clinical has been a leading provider of flexible, high-quality CRO services across Europe, Israel, and Turkey.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10Exact matchLosser, NetherlandsHQ recorded Sep 17, 202611-5010 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11Exact matchHilversum, NetherlandsHQ recorded Sep 17, 202611-509 contacts →

Exact match

“Link2Trials offers patient pre-selection, recruitment, and adherence support services for clinical trials.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12Exact matchLelystad, NetherlandsHQ recorded Sep 17, 202611-508 contacts →

Exact match

“BMclinical is a subsidiary of the BModesto Group which is part of the Uniphar Group.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13Exact matchGroningen, NetherlandsHQ recorded Sep 17, 20261-108 contacts →

Exact match

“DELPHINIUM is a dedicated and dynamic company, comprised of experienced professionals committed to Phase I clinical pharmacology.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14Exact matchHoofddorp, NetherlandsHQ recorded Sep 17, 202611-506 contacts →

Exact match

“We’ve moved!”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15Exact matchArnhem, NetherlandsHQ recorded Sep 17, 20261-105 contacts →

Exact match

“a CRO that is specialized in Medical Devices and is small enough to care, but big enough to matter!” Applied Clinical Services BV is an Clinical Research Organization (CRO)…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16Exact matchAmsterdam, NetherlandsHQ recorded Sep 17, 20261-103 contacts →

Exact match

“Medex15 offers medical and clinical expertise to pharmaceutical and biotech companies, and investigators.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17Exact matchBaarn, NetherlandsHQ recorded Sep 17, 20261-103 contacts →

Exact match

“Geronimo Consultancy provides advise and support on many aspects of clinical and pharmaceutical development.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18Exact matchMeppel, NetherlandsHQ recorded Sep 17, 20261-102 contacts →

Exact match

“Service Provider for your Clinical Monitoring needs”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19Exact matchRotterdam, NetherlandsHQ recorded Sep 17, 20261-102 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20Exact matchZevenbergen, NetherlandsHQ recorded Sep 17, 20261-102 contacts →

Exact match

“Sourcia, your high-experienced, flexible and independent partner in clinical development.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21Exact matchThe Hague, NetherlandsHQ recorded Sep 17, 20261-101 contacts →

Exact match

“Clinical research consultancy with support for clinical research in many aspects, such as Systematic literature reviews, protocol development, sample size calculations…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22Exact matchThe Hague, NetherlandsHQ recorded Sep 17, 20261-101 contacts →

Exact match

“ONKOS is an oncology-focused consultancy whose mission is to deliver cutting-edge insight and analysis in a competitive and complex environment.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

Showing 22 of 55 oncology clinical trial sites based in the Netherlands

See the full list, filter by size, metro and specialty, and access 565 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oncology clinical trial sites based in the Netherlands at a glance

As of Sep 17, 2026
49.2%Verified-email coverage
20.9Average contacts per company
11-50Median size (employees)
9.1%Largest-city concentration · Rotterdam
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
27
11-50
12
51-200
10
201-500
4
501-1,000
1
10001+
1

Email recency for this list is measured worldwide rather than for Netherlands, so it is reported there. Company counts and contact totals on this page are exact for Netherlands, over 55 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the Netherlands whose business descriptions match “oncology clinical trial sites” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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
Every displayed company carries at least one verified work email. RevenueBase tracks 565 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 17, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “oncology clinical trial sites”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oncology clinical trial sites are there based in the Netherlands?

RevenueBase identified 55 company matches for oncology clinical trial sites associated with the Netherlands as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Centre For Human Drug Research tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most oncology clinical trial sites?

Rotterdam leads with 5 company records, followed by Amsterdam (4) and Groningen (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 565 professional contacts with verified work emails tracked across these 55 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 2026.

Ready to reach these companies? Verified emails and direct dials for all 55 oncology clinical trial sites based in the Netherlands. Start with a free account, no credit card.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.