In this episode Shan Sun, Tax Technology Lead at Deliveroo and Simon York CBE former HMRC FIS, J5 Lead discuss how HMRC uses data to protect revenue and improve services. Shan and Simon explore what HMRC’s “Connect” system + behavioural models mean for smarter, risk-based compliance. Also ethics, public trust, and data: where HMRC drew the line—and why it matters. If you work in tax, data, or public sector transformation, this one is packed with practical takeaways.