The Medical Defence Union (MDU) is a UK-based mutual organization providing professional medical indemnity for clinical negligence claims. It offers services such as medico-legal advice, support for disciplinary investigations, and risk management resources. The MDU targets doctors, dentists, and other healthcare professionals. Its unique selling proposition is expert guidance and support from experienced medico-legal professionals, offering a high success rate in defending claims and providing comprehensive resources to reduce professional risks[2][4][5].