Tagworks Pharmaceuticals is a privately held pharmaceutical company based in the Netherlands. Tagworks focuses on the in vivo assembly and actuation of diagnostic and therapeutic antibody conjugates. The company’s facilities are located at the Radboud University Medical Center in Nijmegen, The Netherlands, with access to research laboratories of the university departments of Chemistry, Molecular and Cell Biology, Nuclear Medicine, and Preclinical Studies. Founded in 2011, Tagworks is a spin-out of Royal Philips Electronics, and originates from Philips’ molecular imaging expertise.