A & M STABTEST Laboratory for Analysis and Stability Testing GmbH is founded by the owners and founders of Dr. Ing. Donald N. Dill and dr. Hans J. Diehl led. Both have many years of experience as heads of central analytical facilities of large pharmaceutical companies before founding their company. Since 1995, with our GMP-certified laboratories in Bergheim (Cologne) and Mainz, we have been the contact person for stability testing and pharmaceutical analysis in Europe. Our understanding of quality is shared with our drug regulators, including the FDA. Thus, we have a cooperation with many of our customers, which goes back to the founding period of our company. With the different customers, our services have also expanded; so we have now established groups within our company, which take care of storage and logistics of test samples, the analysis of small molecules or proteins, mass spectrometry and quality assurance. Altogether, we employ more than 200 specialists who take care of the tasks entrusted to them with a high degree of motivation and personal responsibility.