People say Rachel Reeves faces a £40bn “black hole” in the UK budget. She is hinting at tax rises — but that gap could be filled, at least in part, by collecting corporation tax already owed. In this video, I explain how billions go unpaid each year, why HMRC is fighting blind, and how three simple changes could fix the system. Honest businesses would win. Tax cheats would lose. And they would need to hit ordinary people with tax increases.