QPS provides GLP/GCP-compliant preclinical and clinical research services to pharmaceutical and biotechnology clients worldwide in the areas of Bioanalysis, Drug Metabolism and Pharmacokinetics, Translational Medicine Research, and Clinical research.

Founded by Dr. Ben Chien in 1995, QPS has Bioanalysis and Preclinical testing facilities at its Newark, DE headquarters, in Groningen, Netherlands and in Taipei, Taiwan. Early-phase clinical facilities are located in Springfield, MO, Taipei, Taiwan, and Groningen, Netherlands.

Business development offices are maintained in US, Europe, and Asia.