In other sectors, s, but requires re-thinking long-established norms. Consulting and law, for instance, are often organised around the concept of the billable hour – meaning less work automatically equals less income. But such cultures can change, believes O’Connor: “We're starting to see examples of law firms moving to four-day weeks by switching from billing by the hour to billing by project value, or by reducing their non-billable overheads so that their teams are more focused on client work.”