Oxford BioDynamics Plc, together with its subsidiaries, operates as a biotechnology company that discovers and develops biomarkers for use in the pharmaceutical and biotechnology industry primarily in the United States and the United Kingdom. The company provides EpiSwitch, a proprietary technology platform that enables screening, evaluation, validation, and monitoring of 3D genomic biomarkers to diagnose patients. Its products include EpiSwitch Prostate Screening Test (PSE), a prostate cancer screening test; EpiSwitch CiRT (Checkpoint Inhibitor Response Test), a blood test for predicting therapeutic response to checkpoint inhibitor immunotherapy; EpiSwitch CST (Covid Severity Test), an advanced blood test for the prediction of COVID-19 severity in adults; and EpiSwitch Explorer Array Kit for high-resolution 3D genome profiling. The company was incorporated in 2007 and is headquartered in Oxford, the United Kingdom.