Manufacturing Factoring: Turn Unpaid Invoices Into Working Capital

Manufacturing factoring is a form of financing where you sell your unpaid B2B invoices to a factoring company at a discount and receive most of the cash — typically 80% to 90% of the invoice value — within a day or two, instead of waiting the 30, 60, or 90 days your customers take to pay. The factor advances the funds, collects payment from your customer directly, then sends you the reserve balance minus its fee. For manufacturers, this bridges the brutal gap between buying raw materials and paying labor now versus getting paid by the OEM, distributor, or retailer much later.

It works because your accounts receivable — the POs and invoices from creditworthy commercial buyers — are the collateral. That makes factoring accessible to shops that can't qualify for a bank line of credit, since the factor underwrites your customer's ability to pay more than your own balance sheet or credit score. Below we break down exactly how manufacturing factoring works, what it costs, when it fits, and when a revenue-based advance is the faster, simpler tool for a working shop.

How Manufacturing Factoring Actually Works

Factoring follows a simple cycle that repeats every time you invoice a commercial customer. Understanding each step tells you where the cash and the fees land.

1. You deliver and invoice. You ship a completed run or hit a milestone and send the buyer an invoice with net-30, net-60, or net-90 terms.
2. You sell the invoice to the factor. You submit that invoice (and often the backing PO and proof of delivery) to the factoring company.
3. You get an advance. The factor wires you an advance rate — commonly 80% to 90% of face value for manufacturing — usually within 24 to 48 hours of verification.
4. The factor collects. Your customer pays the factor directly, on their normal terms. In most manufacturing arrangements this is notification factoring, meaning the buyer knows and remits to a lockbox.
5. You get the reserve, minus the fee. Once the customer pays, the factor releases the held-back reserve (the remaining 10% to 20%) after deducting its factoring fee.

Two structures matter. Recourse factoring is cheaper but you must buy back (or replace) any invoice the customer never pays — the credit risk stays with you. Non-recourse factoring costs more but the factor absorbs the loss if your customer goes insolvent, which can be worth it if you're concentrated in one or two big buyers. Most factors also want to fund your whole ledger or a defined set of customers, not let you cherry-pick a single invoice, because they're spreading collection risk.

Why Manufacturers Reach for Factoring Specifically

Manufacturing has a cash-conversion cycle that punishes growth. You pay for steel, resin, components, or fabric up front. You pay machinists, welders, and line workers weekly. You carry work-in-process inventory for days or weeks. Then you invoice — and your buyer, often a larger and slower-paying OEM or big-box retailer, sits on net-60. The bigger the order, the deeper the hole before any money comes back.

That mismatch is why factoring is so common on shop floors:

• Long buyer terms, short supplier terms. Your material suppliers want net-15 or a deposit; your customers pay net-60+. Factoring collapses the gap.
• Big POs you can't self-fund. Landing a large contract can be a cash-flow emergency, not just a win — you have to buy materials for the whole run before a dollar arrives. Factoring scales with the invoice, so the more you sell, the more working capital you unlock.
• Thin, volume-driven margins. Contract and job-shop manufacturing often runs on single-digit to low-teens net margins, so tying up cash in receivables directly starves the next job.
• Seasonality and ramp. Consumer-goods and food manufacturers building for a holiday or retail reset need to fund production months before shelf sell-through pays them back.
• Bank credit is slow or unavailable. Newer shops, asset-light contract manufacturers, or businesses recovering from a rough year often can't clear bank covenants, but their customers are rock-solid credits.

What Manufacturing Factoring Costs

Factoring isn't quoted as an APR; it's quoted as a discount fee on the invoice, which makes real cost easy to misread. The core lever is the factoring fee (also called the discount rate), typically in the low single digits per 30-day period, plus how long your customer actually takes to pay.

• Factoring fee: often around 1% to 3.5% for the first 30 days, sometimes with additional increments the longer the invoice stays open.
• Advance rate: 80% to 90% is standard in manufacturing; the rest is held as reserve until the customer pays.
• Watch the extras: some factors add wire fees, ACH fees, lockbox fees, monthly minimums, credit-check charges, or an early-termination penalty on the contract. Ask for the all-in schedule, not just the headline discount.

The practical point for cash flow: your effective cost rises with slow-paying customers and shrinks with fast ones. A shop selling to prompt-paying distributors gets a very different real cost than one selling to a retailer that stretches every invoice to 75 days. Because these arrangements are usually ongoing contracts tied to your ledger, model the fee against your actual average days-to-pay, not the best-case number on the term sheet.

Example: A Metal-Fabrication Shop Using Factoring

Here is an illustrative scenario — figures are for example only and not a quote — showing how the cash moves on a single large order.

The shop got roughly $102,000 the same week it invoiced — enough to buy steel for the next job and make payroll — instead of waiting nearly two months. The fee is the price of pulling that cash forward. Whether it's worth it depends on what the shop earns by keeping the line running versus letting the receivable sit idle.

Decision Framework: When Factoring Fits — and When It Doesn't

Factoring is a receivables tool. It shines in specific conditions and misfires in others. Use this to self-diagnose before you sign an ongoing contract.

Factoring works best when:

• You sell to creditworthy commercial buyers (OEMs, distributors, national retailers) on net terms — the factor is really lending against their credit.
• Your invoices are clean and non-contingent: delivered goods, no progress-billing disputes, no consignment, no heavy warranty offsets.
• Slow receivables — not weak sales — are your problem, and the gap is chronic and recurring enough to justify an ongoing facility.
• You want funding that grows with your order book automatically as you invoice more.
• You'd rather offload collections than chase big buyers yourself.

Avoid or rethink factoring when:

• You sell direct-to-consumer, cash, or card — there are no 30-to-90-day B2B invoices to factor.
• Your revenue is real but you have few or no open invoices right now, or you need cash for something upstream of a sale (a deposit, a tooling purchase, a repair) rather than to bridge a receivable.
• You have heavy customer concentration in one shaky buyer — a factor may decline the credit or leave you the recourse risk.
• You need a fast, one-time lump sum and don't want to hand over your ledger, sign a long contract, or have a factor notify your customers.
• Your invoices carry disputes, offsets, or milestone contingencies that make collection messy.

The Faster Alternative: A Revenue-Based Advance

Factoring is built around invoices. But a lot of manufacturers don't have a clean receivables problem — they have a timing problem: they need working capital in hand this week for materials, a rush order, equipment repair, or payroll, and they don't want to sign over their ledger or put a factor in front of their customers.

For that situation, a revenue-based advance through a marketplace of funders is often the cleaner fit. Instead of underwriting your customers' invoices, these funders underwrite your business's actual cash flow — they look at your last several months of bank deposits and revenue rather than leaning on your credit score. Typical parameters:

• Approval on deposits and revenue over credit. A steady flow of deposits matters more than a perfect FICO; many funders work with scores of 500 and up.
• Funding amounts from roughly $10,000 upward, sized to your monthly volume.
• Speed: often 24 to 48 hours from a completed application and a few months of bank statements.
• No customer notification. Your buyers never know; you keep your own collections and relationships.
• Repayment flexes with your cash flow rather than being tied to a specific invoice paying off.

To be clear, approval is never guaranteed — funders still review your deposits and history. But for a working shop that needs money fast and doesn't want the paperwork, contracts, and customer contact that factoring involves, it's frequently the more practical path. Many manufacturers use both: a factoring line for the predictable receivables, and a revenue-based advance for the sudden material buy or big-PO ramp. Learn more in our merchant cash advance overview.

How to Choose Between Factoring and a Revenue-Based Advance

The decision usually comes down to what you're financing and how much friction you'll accept. Match your situation to the right tool.

If you're weighing options, our guide to revenue-based financing walks through the numbers and paperwork in more detail. A good funder or broker should be able to tell you within a day whether factoring, an advance, or a combination fits your shop's cash cycle.