Invoice Factoring: Turning Unpaid Invoices Into Working Capital

Invoice factoring is a financing arrangement where you sell your unpaid B2B invoices to a factoring company at a discount and receive most of the cash within a day or two, instead of waiting 30, 60, or 90 days for your customer to pay. The factor advances a percentage of the invoice face value up front (typically 80-90%), collects payment directly from your customer, then releases the remaining balance minus its fee once the invoice clears. It is not a loan against your credit; it is the sale of an asset you already own, which is why factors weigh your customer's ability to pay more heavily than your own FICO score.

Factoring solves one specific problem well: you have delivered the work, invoiced a creditworthy business customer, and simply cannot wait for the payment terms to run out. If that describes your cash-flow gap, factoring is often cheaper and cleaner than a loan. If you don't invoice other businesses on net terms, or your receivables are messy, disputed, or tied up with consumers, factoring won't fit, and a revenue-based advance priced on your bank deposits is usually the more realistic path to same-week funding.

How Invoice Factoring Actually Works, Step by Step

Factoring is mechanically simple once you see the money move. The confusion usually comes from the two-part payout and the fact that a third party now touches your customer relationship.

1. You deliver and invoice. You complete the job, ship the product, or finish the service, then issue an invoice to your business customer on net-30, net-60, or net-90 terms.
2. You sell the invoice. Instead of waiting, you assign that invoice to a factoring company. The factor verifies the invoice is legitimate and that your customer is creditworthy.
3. You get the advance. Within roughly 24-48 hours, the factor wires you an advance, commonly 80-90% of the invoice face value. That cash hits your account now.
4. The factor collects. Your customer pays the factor directly (this is called notification factoring) on the original terms. In non-notification arrangements, you still collect and remit, but those are harder to qualify for.
5. You get the reserve, minus the fee. Once the customer pays in full, the factor releases the held-back reserve (the remaining 10-20%) after subtracting its factoring fee.

Two structures matter. Recourse factoring means if your customer never pays, you buy the invoice back or swap it for a good one; it is cheaper because you carry the credit risk. Non-recourse factoring means the factor eats certain defaults; it costs more and the definition of a covered default is narrow, so read it closely.

What Factoring Costs, in Cash-Flow Terms

Factoring isn't quoted as an APR. It is priced as a factor fee (also called a discount rate) applied to the invoice, often structured as a percentage per 30-day period the invoice stays unpaid. A common range is roughly 1% to 4% per month, but the real number depends on your invoice volume, your customers' credit, and how long they take to pay.

The practical way to think about cost is in cash-flow trade-offs, not a single sticker number:

• The advance rate sets how much working capital you free up now. A 90% advance leaves less capital trapped than an 80% advance.
• The fee tiers with time. Slow-paying customers cost you more, because the fee often steps up the longer the invoice ages. Factoring rewards you for having customers who pay on schedule.
• Watch the add-ons. Wire fees, monthly minimums, invoice-processing fees, and termination clauses can quietly change the effective cost. The headline rate is rarely the whole story.

Because factoring is tied to a real receivable with a defined payer, it is frequently cheaper than unsecured financing for the same business, provided your customers actually pay near term. The moment collections drag, the math tilts against you.

Realistic Example: A Staffing Firm Bridging Payroll

The figures below are illustrative only, to show how the pieces interact, not a quote. Assume a commercial staffing agency that must run payroll weekly but bills its corporate clients on net-60.

The point of the table is the timing, not a payback total. The agency covers this Friday's payroll with the $42,500 today, keeps the placement running, and recovers most of the reserve once the client pays in 60 days. The cost of the fee is the price of not missing payroll and not turning away billable work it couldn't otherwise staff.

Which Industries Factoring Fits Best

Factoring is concentrated in industries built around long payment terms, creditworthy commercial payers, and clean, verifiable invoices:

• Trucking and freight. The classic case. Carriers deliver a load, invoice the broker or shipper, and factor the freight bill same-day to keep fuel and drivers paid. Load-based invoices are clean and repeat constantly.
• Staffing agencies. Weekly payroll against net-30/60 client billing is a structural cash-flow gap that factoring is almost purpose-built for.
• Manufacturing and wholesale distribution. Large POs and long-term B2B accounts mean sizable, verifiable receivables and predictable payers.
• Commercial construction and subcontractors. Progress billing and slow general-contractor payment cycles fit factoring, though lien rights and pay-when-paid clauses make underwriting stricter.
• Oilfield, janitorial, and commercial services. Recurring commercial contracts with reliable corporate payers.

The common thread: you sell to other businesses, on terms, and your customers have decent credit. Retail, restaurants, e-commerce, and any consumer-facing business rarely qualify, because there are no B2B invoices to sell.

Decision Framework: When Factoring Works and When to Avoid It

Use this as a go/no-go check before you sign anything.

Factoring works best when:

• You invoice creditworthy business customers on net terms and the wait, not the sale, is your problem.
• Your gross margin comfortably absorbs a fee measured in low single-digit percentages per month.
• Your receivables are clean: undisputed, delivered in full, and free of liens or prior assignments.
• You're comfortable with a factor contacting your customers to collect (notification factoring).
• Your cash-flow gap recurs, so ongoing factoring of a steady invoice stream makes sense.

Avoid factoring when:

• You sell to consumers or take payment by card at the point of sale; there are no net-term B2B invoices to factor.
• Your invoices are frequently disputed, partial, or tied to milestones that haven't cleared.
• You need cash for something not tied to a specific receivable: equipment, a build-out, a marketing push, or covering a slow season.
• Your customers' credit is weak; the factor's risk (and your cost, or a decline) rises with it.
• You want to keep your financing invisible to customers and control your own collections.

If you land in the "avoid" column but still need working capital fast, the issue isn't that you can't get funded, it's that factoring is the wrong instrument. That's where revenue-based funding comes in.

When Revenue-Based Funding Beats Factoring

Most businesses that come looking for factoring don't actually have clean B2B receivables to sell, they have revenue. A restaurant, a retailer, an auto shop, an e-commerce brand, or a services firm paid by card or on delivery generates strong, verifiable deposits but few net-term invoices. Factoring can't help them; revenue-based funding can.

A revenue-based advance is underwritten on your bank-deposit history and overall revenue rather than on a specific customer's credit or a stack of invoices. Through a marketplace of funders, the approval logic is built around cash flow, not a single receivable:

• Approval on deposits and revenue, not credit. Consistent bank deposits carry the file. FICO 500+ is workable; the trend and stability of your revenue matter more than a score.
• Minimum funding around $10,000, scaling with your monthly volume.
• Funding in about 24-48 hours once your bank statements are reviewed.
• No customers involved. Nobody calls your clients, and there are no invoices to verify or assign.

Repayment is structured as a set share of ongoing revenue, so it flexes with your deposits instead of demanding a fixed invoice payoff. That is the practical difference: factoring monetizes a specific unpaid invoice; revenue-based funding monetizes the strength of your overall cash flow. If you don't have the invoices, the second tool is the one that actually funds you, and no legitimate funder should ever call approval "guaranteed."

Factoring vs. a Line of Credit vs. Revenue-Based Funding

These three get pitched interchangeably, but they solve different problems.

• Invoice factoring sells a specific asset (the invoice). Best when the wait for a known, creditworthy payer is your only obstacle. Cost scales with how slowly customers pay.
• Business line of credit is revolving credit you draw and repay repeatedly. Best for smoothing ongoing, unpredictable gaps, but it leans harder on your credit and time-in-business, and approval is slower.
• Revenue-based funding / MCA-style advance monetizes your total cash flow. Best when you need speed, have solid deposits, and either don't have B2B invoices or can't wait on any single one. Weakest credit tolerance and fastest to close.

A quick self-test: If you're staring at a specific unpaid invoice from a solid business customer, start with factoring. If you're staring at your bank statements and steady deposits but no clean invoices, start with revenue-based funding. If you need a reusable cushion and your credit and tenure are strong, price a line of credit.