High quality bioanalitical services Since 1995
QPS Celebrated 25 Years in Business in 2020
Dr. Benjamin M. Chien founded Quest Pharmaceutical Services in 1995 to provide high quality bioanalytical LC-MS/MS contract services. Since then, the name has changed to QPS and the company has posted impressive growth every year and has grown from a small molecule bioanalysis shop of three people to over 1150+ employees in the United States, Europe, India and Asia.
To be recognized as a leading global contract research organization focused on bioanalytics and clinical trials.

Over the years, the company has adopted additional services, including:
Neuropharmacology
Developing Next Generation CNS Drugs
Neuropharmacology
With the availability of highly predictive disease models and our unparalleled experience with studies, QPS is leading the way in Neuroscience pharmaceutical development focused on Alzheimer’s Disease, Parkinson’s Disease, Huntington’s Disease, and other neurodegenerative and rare diseases.
Learn More
DMPK Services
Improving Odds for Candidate Drugs
DMPK Services
Our scientists are passionate about drug discovery and development with extensive experience in drug metabolism and pharmacokinetics (DMPK).
Learn how we can help
Bioanalysis
World-Leading Scientists Deliver Custom-Built Bioanalytical Solutions
Bioanalysis
Explore our full range of bioanalytical solutions to support pharmaceutical development from discovery, through clinical development and filing.
Learn More
Assay Finder
Search More Than 800 Validated Assays
Assay Finder
Searching for a Drug Assay, a Biochemical Biomarker Assay, or a Genomic Biomarker Assay? QPS is likely to have a validated assay to fit your needs.
Search the QPS Assay List Now >
Translational Medicine
Full-Service Toxicology Labs
Translational Medicine
We are committed to the delivery of high-quality data, coupled with proper interpretation, review, and reporting of every aspect of your Toxicology studies.
Learn More
Regulatory and Medical
Custom-built solutions for drug development
Regulatory and Medical
Regulatory and Medical Affairs focused on partnering with drug development companies to help them develop custom-built research solutions that forge an efficient and compliant pathway from discovery to global commercialization and beyond.
Learn More
Timeline
QPS Corporate History

2019
QPS Established A QPS Dermal And Transdermal Research Laboratory In Fargo, ND
2018
QPS Established QPS China In Suzhou, China
2012
QPS Acquired Miami Research Associates To Establish QPS Miami
QPS Acquired JSW Life Sciences To Establish QPS Austria
2011
QPS Acquired Bioserve To Establish QPS India
QPS Acquired Qualitix To Establish QPS Qualitix Taiwan
2010
QPS Acquired CTPS To Establish QPS Taiwan
QPS Acquired XDD To Establish QPS Netherlands
2008
QPS Acquired BKCA To Establish QPS Missouri
2005
Bioserve Founded
2004
QPS Taiwan Founded
1999
JSW Life Sciences Founded
Xendo Drug Development (XDD) Founded
1997
Genovate/Qualitix Founded
1996
Miami Research Associates (MRA) Founded
1995
QPS (Delaware) Founded
1994
Bio-Kinetic Clinical Applications (BKCA) Founded
1984
Center Of Toxicology And Preclinical Sciences (CTPS)/DCB Founded