• Crolll - Firmensitz

Design / Project management

We conduct design and management of clinical trials of phases I-IV of commercial / non-commercial, non-interventional studies and research projects.

Submission to regulatory authorities

We take over complete preparation and submission to higher federal authorities and ethic committees as well as submission to local authorities.

Trial coordination

With our team of long-term experienced trial coordinators we maintain all ongoing processes during a clinical trial.


With our team of long-term experienced clinical monitors we cover all parts of monitoring nationwide.

Medical writing

With our team of experienced scientists we create texts in an accurate and competent manner and conduct literature researches.


Our first priority is the law-consistent, rapid and straightforward accomplishment of partial or complete solutions for trial phases I-IV in order to meet the ambitious timelines of our clients.
Since the foundation of the company in 1998 the CROLLL team currently consists of 32 highly qualified permanent employees with long-time experience in clinical trials as well as a manageable number of freelancers.

  • Individual

    individual solutions, targeted to your projects

  • Flexible

    flexible management of a clinical study / support in the scientific area – Full Service or sections

  • Obliged

    personal obligation of our employees towards your project

  • Experienced

    Highly-qualified, experienced personal

  • Quick

    Quick processing and adjustment to new conditions

We focus on a very personalized service tailored to your individual needs for the efficient conduct of your project. Our excellent quality of service is based on the personal commitment and motivation of our employees directed to your project. More than 400 projects have been completed successfully up to now.