The DSO Compression Curve: Why Billing Speed Beats Rate Increases in Agency Economics

Every day an agency shaves off its days sales outstanding is a day of working capital recovered without selling a single additional hour. As AI tool costs shift from token counts to total cost of AI accounting, agencies that cannot trace billable work to collected cash will misprice every retainer they sign. The category that converts tracked time into cleared funds is now a margin lever, not a back-office chore.