Company lists · Data refreshed September 2026
Top 23 Patient recruitment firms based in Germany
RevenueBase identified 55 patient recruitment firms headquartered in Germany as of September 2026 and tracks 1,082 professional contacts across them, including 397 with verified work emails and 39 with mobile numbers. Berlin is the largest hub.
This list covers patient recruitment firms headquartered in Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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.
The 23 largest patient recruitment firms based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 162 | ||||
“Service provider for clinical research in the pharmaceutical industry and for medical devices, acting as full service CRO as well as supporting single study tasks or leasing of…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 147 | ||||
“Founded in 2005, Clariness is a global provider of online patient recruitment, retention, patient surveys, study feasibility and site selection services for clinical trials.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | Gcp-Service InternationalIndirect evidence | 94 | |||
“Welcome to GCP-Service International, GCP-Service is a privately owned full-service CRO.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | OCT ClinicalIndirect evidence | 71 | |||
“OCT is one of the leading contract research organizations in Eastern Europe.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 57 | ||||
“GKM (Gesellschaft für Therapieforschung mbH) is an independent, family-owned full-service contract research organization (CRO).” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 31 | ||||
“ICRC-Weyer is now part of Evestia Clinical.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | Emovis By FuturemedsIndirect evidence | 18 | |||
“emovis is now proudly part of FutureMeds, Europe’s 1st DCT Site Network.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 11 | ||||
“Siteworks is a site network that conducts phase Ib to IV clinical trials for pharmaceutical products in various disciplines at multiple sites in Germany.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | Junc Performance Studio GmbhPartial evidence | 11 | |||
“Wir bauen für Unternehmen aus dem Healthcare-Sektor ein System für Recruiting, Reputationsmanagement, Patienten- und Kundengewinnung.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 9 | ||||
“Precision is the first global precision medicine clinical research services organization, purpose-built to improve the clinical research and development process for new…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 9 | ||||
“Wir unterstützen Sponsoren, CRO und Sites bei der Suche nach Probanden und Patienten für klinische Studien aller Phasen.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 8 | ||||
“Since 2014, we have been supporting sponsors, CROs, and trial sites in the execution of clinical trials according to the latest regulatory requirements.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 7 | ||||
“Die GREENBAY research GmbH agiert als Auftragsinstitut (Clinical research Organisation, CRO) im Bereich der klinischen Forschung und führt Entwicklungs- und Beratungsprojekte im…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | Lendersberatung GmbhIndirect evidence | 6 | |||
“Den Herausforderungen des Gesundheitsmarktes stellen wir uns, indem wir langjährig gewahrte Werte der klassischen Personalberatung mit maßgeschneiderten Rekrutierungsprozessen…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 4 | ||||
“Welcome to!” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | Trials24 GmbhStrong evidence | 3 | |||
“Is your clinical trial's patient recruitment challenging or delayed?” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 3 | ||||
“Allied Clinical Management is a mid-sized clinical research organization (CRO) which conducts pharmaceutical and medical device trials.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | Searchlight Pharma PartnerIndirect evidence | 3 | |||
Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | Iduneo GmbhStrong evidence | 2 | |||
“iduneo transforms clinical trial recruitment in Oncology through two powerful channels: direct patient engagement and seamless hospital network integration.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | GCP & More GmbhIndirect evidence | 2 | |||
“GCP & more bietet Trainings- und Beratungsdienstleistungen für das komplette Studienpersonal im Bereich klinischer Studien.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | Medaimun GmbhIndirect evidence | 2 | |||
“Medaimun is a full service partner, providing expert services in all key areas of respiratory medicine.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 | ||||
“Versorgungshelden ist darauf spezialisiert, Einrichtungen wie Krankenhäuser, Pflegeeinrichtungen und Arztpraxen bei der Suche von kompetentem Personal zu unterstützen.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | Clintricare GmbhIndirect evidence | 1 | |||
Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 23 of 55 patient recruitment firms based in Germany
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Patient recruitment firms based in Germany at a glance
As of Sep 5, 2026Companies by employee count
Verified emails by last verification
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among patient recruitment firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.
- 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
- Companies headquartered in Germany whose own description of what they do matches “patient recruitment firms”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among patient recruitment firms, and records with no verified work email. Companies headquartered outside Germany are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 397 across the full list. 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 5, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
How many patient recruitment firms are there based in Germany?
RevenueBase identified 55 patient recruitment firms headquartered in Germany as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
AMS Advanced Medical Services, headquartered in Mannheim, tops this list with the largest team on record.
Which city has the most patient recruitment firms?
Berlin leads with 11 headquartered companies, followed by Hamburg (7) and Munchen (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 397 verified decision-maker contacts tracked across these 55 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 2026.
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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.
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