DeepLabel helps healthcare AI companies build, test and improve their products with clinical and data science expertise. We combine specialist clinicians with PhD data scientists to deliver: • Clinical AI evaluation: accuracy testing, safety evaluation, clinical LLM evaluation and medical red-teaming • Medical data annotation and ground truth: imaging, clinical text and reference datasets, with independent review and senior adjudication • Clinical training data and expert feedback: clinician-authored examples, RLHF preference data and structured feedback on model responses We also run focused work on AI scribe evaluation, medical imaging annotation (radiology, ophthalmology, pathology, dermatology and endoscopy) and psychiatric and mental health data labelling. Our specialists come from the BiteLabs network of more than 30,000 clinicians and healthcare professionals. DeepLabel and BiteLabs are both part of BiteWorld Ltd. Based in London, working with healthcare AI teams in the UK, US and beyond. We reply to every enquiry the same working day. www.deeplabel.io