Compare finance types
Invoice finance vs business overdraft: which is right for your business?
The main difference between invoice finance and a business overdraft is what supports the funding: invoice finance advances against specific unpaid invoices and the available limit grows as you invoice more, while an overdraft is a fixed limit set on your overall trading performance and reviewed periodically.
Overdraft vs Invoice finance at a glance
| Business overdraft | Invoice finance | |
|---|---|---|
| What it is | A business overdraft is an approved limit attached to your business transaction account that lets the balance go below zero up to that limit, with interest charged only on the negative balance. It is designed to absorb short timing gaps, not to fund long-term purchases. | Invoice finance is funding advanced against eligible unpaid business invoices, typically 70–90% of the invoice value upfront with the balance (less fees) paid when your customer pays. It uses your receivables as security rather than property. |
| Amount | $10,000 – $500,000 | $20,000 – $5,000,000 |
| Term | 12–12 months | 1–12 months |
| Indicative rate | 8.5% – 19.5% p.a. | 8% – 18% p.a. |
| Rate type | Variable | Variable |
| Security | Unsecured (guarantee may apply) | Secured by receivables |
| Repayments | No set repayment — deposits reduce the overdrawn balance | Settled when the customer pays each invoice |
| Typical speed | 3–10 business days depending on security | 24–48 hours per invoice once set up |
| Best for | Established businesses with regular deposits and short, recurring cash-flow gaps | B2B businesses with reliable customers on long payment terms |
| Consider the other if | Funding an asset purchase or any expense you will repay over years | Businesses that sell to consumers or are paid at the point of sale |
| Tax | Interest and line fees on business-purpose overdrafts are generally deductible. Confirm with your accountant. | Fees are generally a deductible business expense. |
| What the funding is based on | Eligible unpaid invoices | Overall trading performance |
| Does the limit grow with sales | Yes, automatically as you invoice | No — a fixed limit, reviewed periodically |
| Suits which customers | Business customers on payment terms | Any, including consumer sales |
| Typical facility size | $20,000 to $5 million | $10,000 to $500,000 |
| Cost basis | Discount fee per invoice plus service fee | Interest on the overdrawn balance plus line fee |
Rates shown are indicative ranges observed across our lender panel for the period stated. They are not an offer or quote. Your rate depends on your business, the lender, the amount, the term and the security offered. The lender makes the final credit decision.
When to choose a business overdraft
A business overdraft is usually the better fit for established businesses with regular deposits and short, recurring cash-flow gaps. Its main advantages are interest only on the days you are overdrawn, no drawdown request — it works through your existing account, automatically repays as customers pay you. Consider the alternative if funding an asset purchase or any expense you will repay over years.
When to choose a invoice finance
A invoice finance is usually the better fit for b2b businesses with reliable customers on long payment terms. Its main advantages are grows with your sales, no property security, can be confidential. Consider the alternative if businesses that sell to consumers or are paid at the point of sale.
Our verdict
Choose invoice finance when your cash-flow problem is a large and growing receivables ledger on 30 to 90-day terms, particularly if sales are expanding faster than a bank will lift an overdraft limit. Choose an overdraft when gaps are small and general, your ledger is thin, or you sell to consumers who pay at the point of sale.
A growing B2B business commonly outruns its overdraft. Turnover doubles, the receivables ledger doubles with it, and the $150,000 limit set two years ago no longer covers the gap between paying wages and getting paid. Invoice finance solves that structurally, because the facility is tied to the ledger — when you invoice more, more funding is available, without a new application each time.
The trade-offs are administration and customer contact. Invoice facilities require a debtor ledger the financier can assess, and disclosed arrangements mean your customers know a financier is involved, though confidential structures avoid this. Overdrafts are simpler and cheaper to run but will not scale with you. Businesses in a genuine growth phase often start with an overdraft and move to invoice finance when the limit stops keeping up.
Business overdraft
A business overdraft is an approved limit attached to your business transaction account that lets the balance go below zero up to that limit, with interest charged only on the negative balance. It is designed to absorb short timing gaps, not to fund long-term purchases.
Invoice finance
Invoice finance is funding advanced against eligible unpaid business invoices, typically 70–90% of the invoice value upfront with the balance (less fees) paid when your customer pays. It uses your receivables as security rather than property.