Invoice financing advances a set percentage of your unpaid invoices’ face value — generally 80%–90% — upfront, so you can fund payroll, inventory, and growth without waiting on customer payment terms — and, when structured as a sale of your invoices (factoring), without adding debt. Here’s how it works, what it costs, and how to qualify.
How Invoice Financing Works
You submit unpaid invoices to a financing company, which advances a percentage of each invoice’s face value — generally 80%–90% — upfront. When your customer pays, you receive the remaining balance, minus the financing fee. Because the funding is tied directly to receivables you already own, the amount available to you grows in line with your invoicing volume — the more you sell on credit terms, the more working capital you can draw.
If your invoicing is unpredictable, some providers structure this as spot or selective factoring: you fund individual invoices as needed rather than committing your full ledger, typically with no long-term contract. For a deeper look at how that compares to a full-ledger arrangement, see our guide to spot factoring vs. traditional factoring.
What Invoice Financing Costs
Invoice financing is typically priced as a flat fee — not an interest rate or APR — of 1%–5% of the invoice’s face value per 30 days it’s outstanding, with most businesses paying between 1.5% and 3.5%. The exact rate depends on your monthly volume, your customers’ creditworthiness, and their payment terms. Worth knowing before you shop: in the Federal Reserve’s 2025 Small Business Credit Survey, 60% of firms that borrowed from online lenders reported higher-than-expected costs — more than for other lender types — so confirm the full fee structure, including any tiered or escalating charges, before you sign.
Why Growing Businesses Use Invoice Financing
Growth strains cash flow before it pays off: you’re covering payroll and materials today against invoices your customers won’t settle for weeks. Median days-sales-outstanding across industries runs around 56 days, and general B2B businesses offering credit terms typically wait 45–60 days to get paid — that gap is exactly what invoice financing closes. It also frees up time: the financing provider verifies your customers’ credit, and — when structured as factoring — can handle collections on funded invoices too, so you’re not chasing payment while you’re trying to scale.
This kind of external financing is common, not a last resort. Per the Federal Reserve’s 2025 Small Business Credit Survey, 38% of small firms applied for a loan, line of credit, or merchant cash advance in the prior 12 months, and the share of applicants turning to online/fintech lenders climbed from 17% in 2020 to 29% in 2025 as more businesses look beyond traditional bank credit.
Qualifying for Invoice Financing
Qualification is driven primarily by your customers’ creditworthiness — the businesses that owe you money — rather than your own credit history or time in business. That makes it accessible to newer or fast-growing companies whose own credit file is thin but whose customers are financially solid. Most arrangements are structured on a recourse basis (you buy back an invoice your customer never pays), which is the more common and less expensive structure; non-recourse financing, which shifts defined credit-loss risk to the provider, typically costs roughly a full percentage point more.
Frequently Asked Questions
How does invoice financing work?
You submit unpaid invoices to a financing company, which advances a percentage of the invoice’s face value — generally 80%–90% — upfront. Once your customer pays, you receive the remaining balance minus the financing fee.
How much does invoice financing cost?
It’s typically priced as a flat fee of 1%–5% of the invoice’s face value per 30 days outstanding, with most businesses paying 1.5%–3.5%. It’s quoted as a factor rate, not an APR or interest rate.
Do I need strong business credit to qualify?
No. Qualification is based primarily on your customers’ creditworthiness rather than your own credit history or time in business.
How fast can I get funded?
Initial setup typically takes 1–10 business days — commonly 3–4, and as fast as 24 hours with clean documentation. After setup, ongoing advances on new invoices usually fund same-day to within 24 hours.
Does invoice financing add debt to my balance sheet?
It depends on the structure. Structured as factoring — a sale of your invoices — no debt is added. Structured as a loan or line against your invoices (invoice financing in the strict sense), it is borrowing, secured by your receivables. Ask which structure you’re being offered.
Fund Your Growth With REIL Capital
REIL Capital structures invoice financing around the receivables you already have, so growth doesn’t stall while you wait on customer payment terms. Learn more about REIL Capital’s invoice financing solutions, see how it works for smaller operations in our guide to invoice factoring for small businesses, or call our team at 646-440-4100 to talk through funding your next stage of growth.
