Company lists · Data refreshed September 2026

Top 25 Phase i clinical trial organizations based in Germany

RevenueBase identified 86 phase i clinical trial organizations headquartered in Germany as of September 2026 and tracks 2,018 professional contacts across them, including 682 with verified work emails. Berlin is the largest hub.

This list covers phase i clinical trial organizations 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review
86Companies
2,018Contacts tracked
682Verified emails
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The 25 largest phase i clinical trial organizations based in Germany

Ranked by team size
Top 25 of 86 phase i clinical trial organizations based in Germany, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to phase i clinical trial organizations: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceDüsseldorf, GermanyHQ checked Sep 17, 2026201-500236 contacts →

Strong evidence

“ARENSIA is the world’s only privately owned and operated early-phase patient clinic network, purpose-built to deliver proof-of-concept clinical trials in patients up to 50% faster…”

Source: RevenueBase Database · checked Sep 17, 2026
2Strong evidenceHamburg, GermanyHQ checked Sep 17, 202651-200147 contacts →

Strong evidence

“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: RevenueBase Database · checked Sep 17, 2026
3Strong evidence23/25, GermanyHQ checked Sep 17, 202651-200124 contacts →

Strong evidence

“As an international active CRO International Clinical Research has operated clinical trials in over 15 countries.”

Source: RevenueBase Database · checked Sep 17, 2026
4Partial evidenceGießen, GermanyHQ checked Sep 17, 202651-200119 contacts →

Partial evidence

“With over 30 years of experience, Alcedis combines medical expertise with ground-breaking technologies to pioneer data-driven clinical research.”

Source: RevenueBase Database · checked Sep 17, 2026
5Indirect evidenceBremen, GermanyHQ checked Sep 17, 202651-20094 contacts →

Indirect evidence

“Welcome to GCP-Service International, GCP-Service is a privately owned full-service CRO.”

Source: RevenueBase Database · checked Sep 17, 2026
6Strong evidenceDresden, GermanyHQ checked Sep 17, 202651-20075 contacts →

Strong evidence

“DEDICATED TO INNOVATIONS IN MEDICINE ABX-CRO is an independent international Contract Research Organization, providing standard and specialised phase I - clinical trial services…”

Source: RevenueBase Database · checked Sep 17, 2026
7Indirect evidenceHamburg, GermanyHQ checked Sep 17, 202651-20071 contacts →

Indirect evidence

“OCT is one of the leading contract research organizations in Eastern Europe.”

Source: RevenueBase Database · checked Sep 17, 2026
8Strong evidenceFreiburg, GermanyHQ checked Sep 17, 202651-20070 contacts →

Strong evidence

“iOMEDICO specializes in oncology clinical research We are experts and specialists in oncology and hematology, translating clinical questions into practical trial concepts to…”

Source: RevenueBase Database · checked Sep 17, 2026
9Indirect evidenceMunich, GermanyHQ checked Sep 17, 202651-20057 contacts →

Indirect evidence

“GKM (Gesellschaft für Therapieforschung mbH) is an independent, family-owned full-service contract research organization (CRO).”

Source: RevenueBase Database · checked Sep 17, 2026
10Partial evidenceBerlin, GermanyHQ checked Sep 17, 202651-20032 contacts →

Partial evidence

“SCIRENT is a full-service contract research organization specialized in cardiovascular trials.”

Source: RevenueBase Database · checked Sep 17, 2026
11Partial evidenceBerlin, GermanyHQ checked Sep 17, 202611-5031 contacts →

Partial evidence

“ICRC-Weyer is now part of Evestia Clinical.”

Source: RevenueBase Database · checked Sep 17, 2026
12Partial evidenceHamburg, GermanyHQ checked Sep 17, 202611-5028 contacts →

Partial evidence

“Eppdata is uniquely positioned to support the lifecycle of clinical studies with information technology development and domain specific medical expertise.”

Source: RevenueBase Database · checked Sep 17, 2026
13Indirect evidenceHannover, GermanyHQ checked Sep 17, 202611-5020 contacts →

Indirect evidence

“Serum Life Science Europe GmbH (SLS Europe) – formerly Vakzine Projekt Management GmbH (VPM) – offers tailor-made consultancy and services supporting biopharmaceutical development…”

Source: RevenueBase Database · checked Sep 17, 2026
14Indirect evidenceBerlin, GermanyHQ checked Sep 17, 202651-20018 contacts →

Indirect evidence

“emovis is now proudly part of FutureMeds, Europe’s 1st DCT Site Network.”

Source: RevenueBase Database · checked Sep 17, 2026
15Indirect evidenceBerlin, GermanyHQ checked Sep 17, 202611-5015 contacts →

Indirect evidence

“MEHR ALS EINE FULL-SERVICE CRO Wir führen für Sie als klassischer CRO-Partner Klinische Studien durch.”

Source: RevenueBase Database · checked Sep 17, 2026
16Strong evidenceHannover, GermanyHQ checked Sep 17, 202611-5011 contacts →

Strong evidence

“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: RevenueBase Database · checked Sep 17, 2026
17Partial evidence48143 Muenster, GermanyHQ checked Sep 17, 202611-509 contacts →

Partial evidence

“About CONVIDIA CONVIDIA clinical research GmbH = employee-led clinical research organization + 15 years of experience We are an independent, employee-led Full-Service-clinical…”

Source: RevenueBase Database · checked Sep 17, 2026
18Partial evidenceBerlin, GermanyHQ checked Sep 17, 202611-509 contacts →

Partial evidence

“Precision is the first global precision medicine clinical research services organization, purpose-built to improve the clinical research and development process for new…”

Source: RevenueBase Database · checked Sep 17, 2026
19Indirect evidenceHanau, GermanyHQ checked Sep 17, 202611-509 contacts →

Indirect evidence

“Wir unterstützen Sponsoren, CRO und Sites bei der Suche nach Probanden und Patienten für klinische Studien aller Phasen.”

Source: RevenueBase Database · checked Sep 17, 2026
20Strong evidenceBerlin, GermanyHQ checked Sep 17, 202611-508 contacts →

Strong evidence

“Since 2014, we have been supporting sponsors, CROs, and trial sites in the execution of clinical trials according to the latest regulatory requirements.”

Source: RevenueBase Database · checked Sep 17, 2026
21Partial evidenceBerlin, GermanyHQ checked Sep 17, 202611-508 contacts →

Partial evidence

“MEDIACC is the independent medical research institute with consulting emphasis on clinical and pre-clinical research.”

Source: RevenueBase Database · checked Sep 17, 2026
22Strong evidenceBonn, GermanyHQ checked Sep 17, 202651-2008 contacts →

Strong evidence

“Complete service for the conduct of clinical studies of phase I - IV, Medical Devices, PMS - Offices in Poland, Germany and Ukraine - 24 beds Phase I unit in Krakow (Poland)-…”

Source: RevenueBase Database · checked Sep 17, 2026
23Indirect evidenceSchiffweiler, GermanyHQ checked Sep 17, 20261-107 contacts →

Indirect evidence

“Die PharmBioTec gGmbH ist ein gemeinnütziges, auf Auftragsforschung spezialisiertes Forschungsinstitut, welches 2010 gegründet wurde.”

Source: RevenueBase Database · checked Sep 17, 2026
24Strong evidenceFrankfurt Am Main, GermanyHQ checked Sep 17, 20261-106 contacts →

Strong evidence

“Iron Bridge is a contract research and quality managament (QM) consultancy that provides comprehensive support for clinical trials, QM analysis and audits.”

Source: RevenueBase Database · checked Sep 17, 2026
25Indirect evidenceNürnberg, GermanyHQ checked Sep 17, 202611-506 contacts →

Indirect evidence

“Gmbh is a company based out of 115a Wörnitzstr, Nürnberg, Bavaria, Germany.”

Source: RevenueBase Database · checked Sep 17, 2026

Showing 25 of 86 phase i clinical trial organizations based in Germany

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Phase i clinical trial organizations based in Germany at a glance

As of Sep 17, 2026
33.8%Verified-email coverage
23.5Average contacts per company
11-50Median size (employees)
17.4%Largest-city concentration · Berlin
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
33
11-50
26
51-200
22
201-500
4
501-1,000
1

Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 86 companies.

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 phase i clinical trial organizations, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Germany whose own description of what they do matches “phase i clinical trial organizations”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names phase i clinical trial organizations), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among phase i clinical trial organizations, 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 its RevenueBase Smart Search 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, 682 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 17, 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

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names phase i clinical trial organizations, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many phase i clinical trial organizations are there based in Germany?

RevenueBase identified 86 phase i clinical trial organizations 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?

Arensia Exploratory Medicine Gmbh, headquartered in Dusseldorf, tops this list with the largest team on record.

Which city has the most phase i clinical trial organizations?

Berlin leads with 15 headquartered companies, followed by Hamburg (5) and Dusseldorf (4).

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 682 verified decision-maker contacts tracked across these 86 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 17, 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 Smart Search, 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.