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Last Updated: 09/06/2026
Analytical Services International
London
Founded 1992
Bioanalytical and toxicology laboratory for pharmaceutical and clinical research
Analytical Services International is a GLP and GCP-compliant bioanalytical laboratory providing mass spectrometry-based services to pharmaceutical companies and contract research organisations.
Services include assay development, small molecule clinical bioanalysis, pharmacokinetic sample analysis, and pharmacovigilance support across drug discovery and clinical trial phases.
The company also operates internationally recognised immunosuppressant drug measurement proficiency testing schemes serving over 800 participating laboratories worldwide, and provides therapeutic drug monitoring services to clinicians.
Company Notes
AKA / Aliases
ASI; ASI Bioanalytics