Trade Credit Explained: The Cheapest Working Capital Your Business Isn't Claiming
Small businesses hunt funding in banks while ignoring the cheapest working capital in their supply chain: their suppliers. Trade credit — buy now, pay in 30, 60 or 90 days — is supplier-funded float on your stock cycle, usually interest-free, scaling with your purchases, and granted on conduct rather than collateral. A business buying R100,000 of monthly stock on 60-day terms is permanently funded to R200,000 by its suppliers — a facility a bank would price at real interest. This guide covers how to earn terms, the discount arithmetic that decides when to pay early, the reference-building that compounds access, and the traps — over-extension and surety — that turn free money expensive.
What trade credit is, in balance-sheet terms
When a supplier delivers on terms, they are lending you the goods' value until payment day. Multiply across your suppliers and purchase cycle and the total is your trade credit facility — working capital that funds stock BEFORE you've sold it, closing the gap that otherwise demands bank funding (the same gap our merchant cash advance and invoice discounting guides address at much higher cost). The strategic frame: your business sits in a chain — customers may take credit FROM you, suppliers may extend it TO you — and managing the two sides' timing (collect fast, pay on terms) is cash-flow management's whole game. Every day of supplier terms earned, and every day of customer collection accelerated, is funding you don't have to buy.
Earning terms: the conduct ladder
Suppliers grant credit the way all lenders do — on evidence — but their evidence is trade-specific and buildable fast: Start cash, convert deliberately. New accounts open cash-up-front; after months of regular, growing orders, ASK for terms — suppliers grant them to keep good customers, and the request is expected, not cheeky. Complete the credit application properly. The supplier's credit application is a real credit assessment: registration details, banking, trade references, sometimes financials — and almost always a personal suretyship clause binding the signing director for the debt. Read it; negotiate caps on surety where you can; and know that every casual credit application signed at a counter is a personal guarantee (the same signature-discipline our funding guides preach). Build trade references like assets. Each supplier paying experience becomes a reference the next application checks; two or three suppliers reporting prompt payment unlock terms across your industry. Pay the small early accounts flawlessly — they're cheap reference-builders. Grow limits with seasons. Terms and limits expand on request backed by history — before your busy season, not during it.
The early-settlement discount: arithmetic, not etiquette
The classic offer — 2.5% discount for settlement in 7 days versus net 30 — is a financing decision wearing a courtesy's clothes. Taking the discount means paying 23 days early to earn 2.5%: annualised, that's roughly a 40%+ return on the cash used — spectacular IF you have idle cash, and a terrible trade if taking it forces you onto expensive borrowing elsewhere. The decision rule: take discounts when funded by genuine surplus or cheap facilities (an access-style facility at prime, per our banking guides); skip them when the cash would come from overdraft-priced or MCA-priced money; and NEGOTIATE them — suppliers quietly flex both discount and terms for valued customers, and the ask costs nothing. The mirror-image rule as the seller: offering early-settlement discounts to YOUR customers prices identically — offer them only when accelerating collections is worth that implied rate (often it is; bad debt avoided is worth more than margin kept).
The traps: over-extension and the domino effect
Trade credit's danger is its ease. Over-buying: terms make stock feel free at order time — the discipline is ordering to your sales forecast, not your credit limit; unsold stock on 60-day terms becomes a due date with no revenue behind it. The stretch spiral: paying suppliers late to fund other gaps burns the exact asset — payment reputation — that earned the terms; stretched suppliers shorten terms, demand cash, and gossip through credit bureaus and industry grapevines. If timing is genuinely tight, CALL the supplier before due date and arrange — the same early-honesty rule as every credit relationship on this site; silence is what converts a cash-flow wobble into a terms withdrawal. The domino exposure: your terms rest on your customers paying YOU — a big customer's default cascades straight into your supplier obligations. Which is why the full working-capital toolkit matters together: customer credit vetting and deposits (our freelancing and invoice guides' disciplines, scaled up), invoice finance for genuinely trapped receivables, and the buffer account that absorbs timing shocks. The surety memory: those signed applications outlive the good times — a business wound down with unpaid trade accounts follows its director home. Keep a register of every surety signed, and when closing or selling a business, get releases in writing.
Trade credit in the funding stack
Where it sits in the ladder our business funding guides build: trade credit funds STOCK at ~0% — always claim it first and fully; bank facilities and asset finance fund equipment and structural working capital at secured-to-moderate rates; MCAs and short-term funding bridge spikes at premium rates. The businesses that scale healthily run the stack in that order and use each rung for its job — and the statements showing disciplined supplier payments feed every future application up the ladder (funders read supplier-payment conduct as seriously as bank conduct). Free money, granted on behaviour, compounding into cheaper access everywhere else: trade credit is the quiet foundation of small-business finance — claimed deliberately, or left on the table.
Frequently asked questions
How does a new business get supplier credit terms?
Trade cash for a few months of regular orders, then ask — backed by your registration, banking details and any early trade references. Small limits granted grow quickly on clean payment; the first two accounts are the hardest and the most valuable.
What are typical trade credit terms in South Africa?
Net 30 is the workhorse, with 60 and 90 days in established relationships and certain industries — often with early-settlement discounts (2–5% for quick payment) worth explicit arithmetic before taking or declining.
Is trade credit really interest-free?
Within terms, typically yes — the cost is embedded in pricing you'd pay anyway, which is why full terms should always be used (paying net-30 invoices on day 5 without a discount is donating float). Late payment, though, triggers interest clauses and reputation costs that outprice any bank facility.
Do supplier credit applications affect me personally?
Almost always — the standard application includes personal suretyship by the signing director, making you personally liable for the account. Read before signing, negotiate where possible, keep a register of sureties, and obtain written releases when accounts close.
Should I take a 2.5% early settlement discount?
If idle or cheaply-borrowed cash can fund it, yes — 2.5% for ~23 days earlier payment annualises above 40%, among the best risk-free returns in business. If taking it strains cash or forces expensive borrowing, the discount costs more than it gives.
