Welcome to AtoZ-CRO
AtoZ-CRO is a full-service clinical research organization in the scenic surroundings of Overath, a 30-minute drive east of Cologne. We provide Clinical Research, Monitoring, Pharmacovigilance, Biometry and Regulatory Solutions to the global life science industry.

Dr. med. Karl-Peter Klein | Managing Director
Get in touch
If you want to inquire about our services or have
any questions please contact us directly at
info@atoz-cro.de or +49 2206 95 99 0 or you can use the field below.
