Gross margin is the metric that matters most in staffing. Calculate it as bill rate minus pay rate, then divide by bill rate. A placement billing at $45 per hour with a $32 pay rate generates 29% gross margin. Track this by client, by placement type, and by recruiter. Averages hide problems. One low-margin client can drag down profitability even when overall revenue looks healthy.

Margin analysis gets more useful when you include burden. Pay rate alone doesn’t capture your true cost. Add employer payroll taxes, workers’ comp, and any benefits you provide. A $32 pay rate might actually cost $38 once you factor in FICA, FUTA, state unemployment, and workers’ comp based on job classification. That 29% gross margin drops to 15% when you calculate it correctly.

Days sales outstanding deserves constant attention. DSO measures how long it takes to collect after you invoice. Staffing agencies typically run 45-60 day DSO, sometimes longer with larger clients who dictate payment terms. Every day of DSO represents cash you’ve already paid out in payroll sitting in someone else’s account. Track DSO by client because one slow payer can distort your overall number.

Cash conversion cycle connects everything. You pay workers weekly but collect from clients in 30, 45, or 60 days. That gap has to be funded somehow. Calculate it as days sales outstanding minus days payable outstanding. A staffing agency with 50 day DSO and 7 day payroll cycle has a 43-day cash conversion gap. That gap determines how much working capital you need to operate without running out of cash.

Revenue per recruiter tells you whether your team is productive. Total gross profit divided by number of recruiters gives you a baseline. Track it monthly and watch for trends. A recruiter generating $15,000 in monthly gross profit is productive. One generating $6,000 might need training, better clients, or a different role.

Fill rate and time-to-fill are operational metrics with financial implications. Low fill rates mean you’re spending recruiter time on jobs you can’t place. Long time-to-fill extends your sales cycle and delays revenue. Both affect profitability even though they’re not strictly financial numbers.

Client concentration risk shows up when you calculate revenue by client as a percentage of total. One client representing 40% of your revenue creates vulnerability. Losing that client or having them slow payments can destabilize the entire business. Track concentration quarterly and make decisions about growth accordingly.

Temporary versus direct hire mix affects cash flow patterns. Temp placements generate ongoing revenue but require continuous funding of payroll. Direct placements generate lump sum fees with no ongoing cash burden. The right mix depends on your working capital position and growth goals.

Working capital ratio matters for staffing more than most industries. Current assets divided by current liabilities should stay above 1.2 at minimum. Below that and you’re vulnerable to any disruption in collections or any unexpected payroll demand. Fractional CFO support becomes valuable when you need to optimize this balance while funding growth.

These metrics require accurate books to calculate. Revenue recognition timing, proper accrual of payroll liabilities, and correct categorization of costs all affect the numbers. Most staffing agencies that struggle with cash flow aren’t tracking these metrics consistently or aren’t calculating them from reliable data.

Review gross margin weekly, DSO and cash position weekly, and the broader metrics monthly. Waiting until quarter-end to look at these numbers means problems have already compounded. Boca Raton advisory services built for staffing operations can help establish the reporting cadence and financial controls that make these metrics actionable.