IR35 is one of those terms that makes many contractors nervous. You hear it mentioned, and you're not always sure what it means or why it matters. But understanding IR35 is really important if you work as a contractor. Let me explain it in a way that actually makes sense. What is IR35 Exactly? IR35 is a set of tax rules created by HMRC. The full name is "IR35 Off Payroll Working Rules," but...