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Guides 8 min read Updated July 15, 2026

How Invoice Factoring Actually Works for Manufacturers

You issue net-30, net-60, or net-90 invoices, but payroll, materials, and rent don't wait. Invoice factoring turns those unpaid invoices into cash within 24 hours of verification—so you can run the shop off the same receivables you're already producing.

The mechanics

You produce and ship. You issue the invoice. You send a copy to your factor. The factor verifies the invoice with the customer and advances 80–95% of face value—typically same or next business day. Your customer pays the factor on the original terms. The factor releases the reserve minus a small fee.

What it costs

Factoring fees run 1.5%–3.5% of invoice face value per 30 days outstanding. On a $100k invoice paid in 45 days, expect fees of $2,000–$4,500. Compared to daily-repayment MCAs (often 40%+ effective APR) or the cost of turning down a big order, it's the cheapest capital in the market for a growing shop.

  • Advance rate: 80–95% (higher for commercial/government AR)
  • Fee: 1.5–3.5% per 30 days
  • No application, origination, or closing fees when placed through Manufactor Finance

What underwriting cares about

Factoring is credit-approved on your customers, not you. Underwriters look at: who you sell to, how they pay historically, invoice quality (delivered goods with clean POs), and any concentration or seasonal patterns. Your credit score matters far less than in bank lending.

Where it stops making sense

Once you cross $15M+ revenue with clean monthly financials and a controller, ABL is meaningfully cheaper. We refer to funding partners whose factoring facilities transition cleanly when you're ready.

Frequently Asked Questions

Almost never. Notices of assignment are routine at any B2B customer over $10M in revenue—their AP team processes dozens a month.

1–3 weeks to onboard a new facility, then 24–48 hours per invoice thereafter.

No. Factoring is the sale of an asset (the invoice), so it typically does not appear as debt on your personal or business credit report and does not add a loan liability to your balance sheet.

Under recourse factoring (most common), the invoice comes back to you after a set number of days and you refund the advance. Non-recourse programs shift approved credit risk to the factor, at a slightly higher fee.

Often, yes. Selective/spot factoring lets you factor specific customers or invoices. Whole-ledger programs are simpler and cheaper but require you to factor everything eligible.

Keep reading

Free PDF

Funding Requirements Checklist for US manufacturers

See exactly what underwriters actually look at — for factoring, PO financing, equipment, working capital, ABL, and SBA — before you fill out a single application.

  • What documents you need for each program
  • Typical time-to-fund by program
  • Common disqualifiers worth knowing up front
  • How Manufactor Finance is compensated — $0 fees to you
3-page PDF · No application, origination, or closing fees to you · We're a independent referral service, not a bank.
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