How a Tampa Commercial Cleaning Operator Recovered 11 Margin Points Across 140+ Accounts

Case study: a Tampa commercial cleaning operator was growing accounts but losing margin to scheduling chaos, callback labor, and payroll-to-billing leakage. Diagram Consulting installed route optimisation, mobile QC inspections, and automated payroll-billing reconciliation. Result: +11 gross margin points, callback labor down 38%, and supervisor exception time down ~40% — all without changing scheduling software.