The worst call a growing supplier makes is the one where a real customer offers a real order and the answer is no, because funding the goods would take more cash than the business has. It is a peculiar kind of failure: the demand is proven, the margin is known, the counterparty is creditworthy, and the deal dies on timing alone.
Purchase order timing is the discipline of mapping that gap precisely, from the day you commit to your supplier to the day your customer's payment clears, and then deciding how to bridge it. Getting the map right matters more than getting the financing right, because a facility sized to a gap you have not measured either costs more than it needs to or runs out three weeks before the money arrives. This article covers how to build the timeline, what a desk underwrites when the collateral is an order rather than a building, and how to tell whether the economics survive the financing.
Building the timeline before anything else
Write the calendar out in days, using your own history rather than the supplier's optimism. Almost every operator underestimates two segments: the time between issuing a purchase order and the supplier actually starting production, and the time between delivery and the customer's first payment run.
| Stage | Typical elapsed days | Cash effect |
|---|---|---|
| Customer purchase order received and confirmed | Day 0 | None; the order is a commitment, not cash |
| Supplier deposit paid | Day 0 to 7 | Large cash out, often 30% of goods cost |
| Production | Day 7 to 45 | None, unless progress payments are required |
| Balance due before shipment | Day 45 | Remaining goods cost out |
| Freight, customs and duty | Day 45 to 75 | Freight, duty and broker fees out |
| Delivery and customer acceptance | Day 75 to 82 | None |
| Invoice issued on customer terms | Day 82 | Receivable created |
| Payment received | Day 112 to 127 | Cash in, roughly four months after the first outlay |
Four months. That is the number that decides everything downstream. It is also why order-driven businesses cannot fund growth out of retained earnings alone: each new order commits cash before the previous order has returned it, so the requirement stacks rather than rotates.
What actually gets underwritten
When the collateral is a confirmed order, the analysis shifts away from your balance sheet and toward the transaction. Four things dominate, and a weakness in any one of them is usually decisive.
- The end customer's credit. You are, in effect, borrowing against their obligation to pay. A well-rated commercial or institutional buyer supports a structure that a thinly capitalized reseller does not.
- The supplier's ability to perform. A vendor with a delivery history and verifiable references is very different from a first-time factory sourced two weeks ago. Performance risk sits on the same transaction the funding depends on.
- Gross margin on the order. Financing costs come out of margin, so thin-margin orders often cannot carry the structure. Higher margins give both you and the desk room for slippage.
- The goods themselves. Finished, non-perishable, verifiable and not custom to a single buyer is the easiest profile. Perishable, bespoke or highly seasonal goods narrow the options considerably.
Note what is largely absent. Your historical profitability matters less here than in conventional term lending, because the repayment source is the specific receivable rather than general operating cash flow. That is why order-based structures sometimes work for companies too young or too thin for a term loan, and why they are transaction-priced rather than balance-sheet priced. Eligibility, advance rates and structure vary by lender, by program and by the file.
Whether the economics survive
Order financing is priced per period rather than as an annual rate, and the arithmetic is unforgiving on thin margins. Run it before you sign anything.
Price it per period, then per order
The lesson is not that order financing is expensive. It is that it is priced for the risk it carries, and the margin has to be thick enough to absorb it. Most operators who conclude these structures never work are applying them to orders that were marginal to begin with.
Then model the slip
The structures that address this gap
Several instruments touch the same problem at different points in the timeline, and they are often confused with one another. The differences matter, because using the wrong one leaves part of the gap unfunded.
| Structure | What it funds | When it repays | Best fit |
|---|---|---|---|
| Purchase order financing | Supplier cost on a confirmed order, often paid direct to the vendor | When the customer pays the resulting invoice | Confirmed orders, thick margins, verifiable supplier |
| Letters of credit | Supplier assurance rather than cash to you | On presentation of shipping documents | Overseas suppliers who require payment security |
| Receivable financing or factoring | The invoice after delivery | On customer payment | The back half of the timeline only; does not fund production |
| Inventory or asset-based line | Goods on hand against a borrowing base | Revolving, as inventory converts | Businesses holding stock rather than shipping to order |
| Conventional revolving line | General working capital, no transaction tie | Revolving, on the borrower's schedule | Established files with capacity already in place |
In practice the cleanest arrangement for an order-driven business combines two of these: something that funds production, and something that bridges the receivable afterward. The handoff between them is where structuring effort belongs, because an unfunded seam in the middle of the timeline is exactly as damaging as no facility at all.
What to have ready
Order-based reviews move faster than balance-sheet reviews when the transaction file is complete, and they stall completely when it is not. Nearly all of the delay in these deals comes from documents that exist but have not been collected.
The transaction file
- The customer purchase order, signed, with quantities, unit prices, delivery date and payment terms visible.
- Your supplier quote or proforma invoice showing goods cost, deposit requirement and production lead time.
- A landed-cost worksheet including freight, duty, brokerage and insurance, not just goods cost.
- The gross margin calculation on the specific order, stated in both dollars and percent.
- Trade references and delivery history for the supplier, especially if the relationship is new.
- Any prior invoices and payment history with the same end customer, which is the strongest evidence available.
- Your standard terms of sale and the customer's stated payment terms, in writing, in case they differ.
- A current inventory and receivable aging, so the desk can see what else is competing for the same cash.
- Your obligation schedule, including any facility already secured by the same collateral.
How the money actually moves
Operators expect financing to arrive as a deposit they then spend. Order-based structures often work differently: funds go to the supplier directly, or through a letter of credit, and at the far end the customer may be instructed to pay into a designated account from which the facility is settled and the balance released to you. Nothing about that is unusual, and all of it needs to be understood before you build a cash plan around it.
Two practical consequences follow. First, costs the facility does not fund (freight, duty, brokerage, your own overhead during production) still have to come from operating cash, so a fully funded goods cost is not a fully funded order. Second, the release of your margin happens after the facility is repaid, which can sit weeks past the delivery date. Map both against your payroll calendar before you sign, because an order that is profitable on paper can still create a bad month in the middle.
When the answer should be no
Not every order is worth financing, and declining one for the right reason is a strong operating decision rather than a failure of nerve. Three patterns come up repeatedly.
The first is a margin too thin to carry period pricing: under roughly twenty percent, the structure often consumes more than the order returns. The second is concentration: an order large enough that failure to be paid would take the company with it, which is a risk no facility removes. The third is a customer whose terms extend well past what the model assumed, since a buyer moving from net 30 to net 90 quietly adds two periods of cost to a deal already priced.
How is purchase order financing different from factoring?
Purchase order structures fund the cost of producing or acquiring goods before delivery. Factoring advances against an invoice that already exists because delivery has happened. They cover different halves of the same timeline, and order-driven businesses frequently need both: one to make the goods, one to bridge the receivable.
What gross margin do I need for this to work?
There is no universal threshold and it varies by lender and program, but the arithmetic is simple enough to run yourself: total the financing cost across the expected number of periods and subtract it from gross margin. If what remains does not cover your overhead allocation and leave a real return, the order does not support the structure regardless of who is willing to fund it.
Will the lender contact my customer?
Often yes, in some form: verifying the order, confirming delivery acceptance, or directing payment to a designated account. Treat that as a normal part of the structure and tell your customer in advance. A verification call that surprises your buyer costs you more relationship capital than the disclosure would have.
Can I use this for inventory I am buying speculatively?
Generally no. Order-based structures depend on a confirmed buyer as the repayment source, so buying stock in the hope it sells is a different question that belongs to inventory or line-of-credit structures instead. Some programs blur the line for established borrowers, but the underwriting question changes entirely when the buyer is hypothetical.
How long does it take to put a facility in place?
It depends on the completeness of the transaction file, the customer, the supplier and the lender. A clean file with a known commercial buyer and full documentation moves considerably faster than one where the supplier is new and the paperwork is being assembled during review. Timelines vary by lender and file, which is the argument for arranging capacity before an order is on the clock.
What happens if my customer pays late?
Financing cost continues to accrue, and depending on the structure you may be responsible for the shortfall. This is why customer payment history matters as much as customer size. Model a payment thirty days later than promised and confirm the order still works before you commit.
Does taking this kind of financing hurt my ability to get a bank line later?
Not inherently, and the collateral position is what matters. A facility secured by specific orders and their receivables may limit what a later lender can take a position in, so disclose the arrangement plainly. Files where an existing security interest is discovered rather than disclosed create far more trouble than the interest itself does.
Where to start
Take your last completed order and reconstruct its actual calendar from records rather than memory: deposit date, balance date, ship date, delivery date, invoice date, payment date. The distance from first outlay to final receipt is your real gap, and it is almost always longer than the version in your head.
Then price a typical order against that gap using period arithmetic, and see how much of your gross margin survives. That single page (the timeline and the margin after financing) is the document that makes every subsequent conversation with a capital source productive, and it is the first thing a desk will want to see.
Qualified Commercial Underwriting Desk
Credit and capital markets
The Qualified Commercial underwriting desk reviews commercial real estate, dealer and Main Street files daily. The Academy is written from that work (how files are actually read, priced and declined) rather than from a rate sheet.
Educational content only. Nothing here is a commitment to lend, an offer of credit, or tax, legal or accounting advice. Program terms, timelines and thresholds vary by lender, file and market conditions, and any figures shown are illustrative.