May 1, 2026
What is a working capital model for a restoration company? A working capital model for a restoration company calculates the cash required to fund operations between job completion and payment receipt, adjusted for job type. Mitigation-heavy operations require less working capital than reconstruction-heavy or commercial-heavy operations because of significantly different cash cycles.
Your working capital requirement changes dramatically depending on what kind of work you do — and most restoration owners discover this the hard way when they shift their job mix without adjusting their cash planning. Here’s how to model it before the gap blindsides you.
The fundamental driver of working capital requirement is the gap between when you spend money (labor, materials, equipment) and when you receive payment. That gap varies enormously by job type.
Mitigation (water/fire/mold emergency): Typical days-to-cash: 35–55 days. Mitigation jobs are short-cycle — 3–10 days of active work, invoice submitted quickly, insurance payment follows within 30–45 days in most cases. Labor and equipment costs are front-loaded but the payment follows relatively quickly. Working capital requirement: approximately $0.08–$0.12 per dollar of annual mitigation revenue.
Reconstruction: Typical days-to-cash: 75–120 days. Reconstruction jobs run 4–12 weeks of active work. Progress billing helps but is rarely available on insurance reconstruction work — you typically invoice on completion. Labor and material costs are spread across the job duration, but the cash outflow is real and continuous while payment waits for the completed job and adjuster approval. Working capital requirement: approximately $0.18–$0.25 per dollar of annual reconstruction revenue.
Commercial direct-bill: Typical days-to-cash: 35–65 days depending on contract terms (net-30 is standard, net-60 is common). The cash cycle is actually shorter than insurance reconstruction for completed jobs, but commercial accounts typically require consistent service delivery before invoicing — meaning cash is often flowing out for 2–4 weeks of service delivery before an invoice is submitted. Working capital requirement: approximately $0.12–$0.18 per dollar of annual commercial revenue.
To calculate your working capital requirement, multiply your annual revenue by job type by the working capital factor for that type, then sum them. Example: $2M mitigation (× 0.10) = $200,000. $1M reconstruction (× 0.22) = $220,000. $500K commercial (× 0.15) = $75,000. Total working capital requirement: $495,000. If your credit line is $300,000 and you only have $80,000 cash in the bank, you have a structural working capital gap — which is why you’re always chasing cash even in a good revenue year.
Adding a reconstruction division is one of the most common ways restoration companies accidentally create a cash crisis. The revenue looks great — reconstruction jobs are large, and the growth in the top line is visible. What’s less visible is that reconstruction revenue doesn’t convert to cash for 90–120 days while the costs are accumulating daily. A company that grows reconstruction revenue from $500K to $1.5M in one year has increased its working capital requirement by $220,000 — but the cash to fund that requirement has to come from somewhere, and it usually comes from drawing down the credit line. Which then looks like a cash flow problem, not a working capital model problem.
For a mitigation-heavy restoration company: approximately $100,000–$120,000 per $1M in revenue. For a reconstruction-heavy company: $180,000–$250,000 per $1M. For a balanced mix: $130,000–$160,000 per $1M. These are approximations — your actual requirement depends on your specific AR aging, payment terms, and job duration averages.
Because the cash cycle is 2–3x longer than mitigation work. Labor and material costs are incurred across 4–12 weeks of active work, but payment doesn’t arrive until the job is complete and the adjuster has approved the invoice. The longer the job, the larger the cash gap, the more working capital required to fund the gap. It’s not a profitability problem — it’s a timing problem. But timing problems become liquidity crises when the working capital base isn’t sized for the job mix.
Moderate. Commercial direct-bill work has a longer cash cycle than mitigation but shorter than insurance reconstruction. The bigger working capital impact of adding commercial work is the revenue ramp — commercial accounts take 6–18 months to develop, during which time you’re carrying sales and business development costs without the offsetting revenue. Budget for 12–18 months of commercial BD overhead before the new division is cash-flow positive.
Mike McCabe is The Profit Detective — a 36-year restoration industry veteran and Fractional Operations Manager at Floodlight Consulting Group.
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