# Invoice Finance vs Overdraft Source: https://www.cashbookfinance.co.uk/insights/invoice-finance-vs-overdraft Last updated: 2026-10-26 Author: Bjorn Laku, Director & Chief Marketing Officer (https://www.bjornlaku.com/) Publisher: Cashbook Finance Limited > Compare invoice finance and business overdrafts for UK working-capital needs, including availability, scalability, security, costs and customer-payment risk. FCA-registered UK lender FRN 782472 ## Invoice finance vs overdraft. Choose invoice finance when completed work is unpaid. Use an overdraft when you need a smaller general buffer. You are comparing a sales-led facility against a bank credit limit. Use this page to see which works when the cash gap is caused by slow-paying customers, seasonal pressure, or a need for a general safety buffer. Written and reviewed by [Bjorn Laku](https://www.cashbookfinance.co.uk/bjorn-laku), Director & CMO. INV-2048 · Arden Health Group Illustration Cash received · this invoice A £50,000 invoice on 30-day terms - **Invoice value** £50,000 - **Paid to you, day 1–2** £45,000 - **When your customer pays** £4,000 Invoice value · £50,000 Illustrative: a 90% advance and a discount charge of about 2% of the invoice. Rates and advances vary by business, sector and customers. Check eligibility **£30m+** funded · **100+** UK businesses since 2019 · London SE1 - FCA **782472** - ICO **ZB545200** - Companies House **10723098** Option 1 **Invoice finance** Releases cash against eligible B2B invoices and can rise or fall with turnover. Cash trapped in debtors · B2B invoices · Sales-led funding Option 2 **Overdraft** A bank-agreed credit limit for broader cashflow pressure, reviewed around credit appetite and account conduct. General cash cushion · Bank limit · Short-term headroom Decision shortcut **Use this rule** Choose invoice finance when completed work is unpaid. Use an overdraft when you need a smaller general buffer. Invoice gap · General buffer · Review risk - [Invoice Finance vs Business Loan](https://www.cashbookfinance.co.uk/insights/invoice-finance-vs-business-loan) - [Invoice Factoring vs Invoice Discounting](https://www.cashbookfinance.co.uk/insights/factoring-vs-invoice-discounting) - [Selective vs Full-Ledger Finance](https://www.cashbookfinance.co.uk/insights/selective-invoice-finance-vs-full-ledger) - [Trade Finance vs Invoice Finance](https://www.cashbookfinance.co.uk/insights/trade-finance-vs-invoice-finance) - [Bridging Finance vs Development Finance](https://www.cashbookfinance.co.uk/insights/bridging-finance-vs-development-finance) - [Bridging Finance vs Commercial Mortgage](https://www.cashbookfinance.co.uk/insights/bridging-finance-vs-commercial-mortgage) - [Invoice Finance Costs Explained](https://www.cashbookfinance.co.uk/insights/invoice-finance-costs-explained) - [Bridging Finance Costs Explained](https://www.cashbookfinance.co.uk/insights/bridging-finance-costs-explained) Check eligibility · About 2–3 minutes, no credit search. ### Invoice finance or an overdraft: the practical difference. Funding logic **Funding basis** Invoice finance is based on eligible B2B invoices and debtor quality. Repayment logic **Best use** Useful where customers pay reliably but slowly. Main watch-out **Watch-out** The bank can reduce or withdraw facilities, often when pressure is highest. Invoice finance vs overdraft: comparison table | Question | Usually stronger when | Watch-out | | --- | --- | --- | | Funding basis | Invoice finance is based on eligible B2B invoices and debtor quality. | An overdraft is a general bank limit and may not rise with sales. | | Best use | Useful where customers pay reliably but slowly. | Useful for smaller day-to-day timing swings. | | Scaling | Availability can increase as the ledger grows. | The limit may stay fixed even when turnover rises. | | Watch-out | Weak debtors or disputed invoices reduce availability. | The bank can reduce or withdraw facilities, often when pressure is highest. | Worked example ### Covering a seasonal peak. A seasonal business invoices £40,000 in its busy month on 45-day terms. Its overdraft limit is fixed at £15,000. The advance rises with the invoices raised; the overdraft would cover less than half of the gap. Check eligibility · Talk it through with a director | Invoice value, on 45-day terms | £40,000 | | --- | --- | | Advanced within 24–48 hours (90%) | £36,000 | | Discount charge, about 2% per 30 days, for 45 days | £1,200 | | Paid to you when your customer pays | £2,800 | | Total cost of funding this invoice | £1,200 (3% of the invoice) | | If your customer pays 15 days late | +£400 in charges | Illustrative: up to 90% advanced and a discount charge of about 2% of the invoice per 30 days. Rates, advances and any service fee vary by business, sector and customers, and are confirmed in writing before you commit. ### Invoice finance or an overdraft: use the comparison to make a funding decision. Compare committed structure, renewal risk and how availability is calculated. #### Funding base Invoice finance is linked to eligible receivables; an overdraft is a bank limit. #### Review Both can be reviewed, but overdrafts are often renewed periodically and can be reduced. #### Operations Invoice finance needs ledger controls; an overdraft is simpler day to day but may not grow with sales. Examples are educational only. Eligibility, pricing, security and final terms always depend on a formal assessment of your business, your documents and the facility proposed. [Compare five funding options side by side](https://www.cashbookfinance.co.uk/compare) **Related guidance:** [Invoice finance](https://www.cashbookfinance.co.uk/invoice-finance) · [Pricing & decisions](https://www.cashbookfinance.co.uk/pricing-decisions) · [Eligibility](https://www.cashbookfinance.co.uk/eligibility) · [Case studies](https://www.cashbookfinance.co.uk/case-studies) Quick answers ### Common questions. Check eligibility · All questions **Can invoice finance replace an overdraft?** For gaps caused by slow customers it often can, because it grows with your invoices. Some businesses keep a small overdraft for day-to-day swings. **Is invoice finance more expensive?** The charge per pound can be higher, but you only pay for the days you use it and the limit grows with sales. **Can a bank reduce an overdraft?** Yes, overdrafts are usually reviewed and can be reduced or withdrawn. **Do I need to change bank?** No. Invoice finance works alongside your existing bank account. Can’t see your question? Talk it through with a director ### More guides on invoice finance - [Supply chain finance vs invoice finance](https://www.cashbookfinance.co.uk/insights/supply-chain-finance-vs-invoice-finance) - [What makes a debtor ledger attractive](https://www.cashbookfinance.co.uk/insights/what-makes-a-debtor-ledger-attractive) - [Why invoice finance applications are declined](https://www.cashbookfinance.co.uk/insights/why-invoice-finance-applications-are-declined) - [Working capital benefits](https://www.cashbookfinance.co.uk/insights/working-capital-benefits) - [Asset-based lending vs invoice finance](https://www.cashbookfinance.co.uk/insights/asset-based-lending-vs-invoice-finance) - [CHOCs: client handles own collections](https://www.cashbookfinance.co.uk/insights/chocs-client-handles-own-collections) --- Cashbook Finance. Cashbook Finance Limited is registered with the Financial Conduct Authority under Firm Reference Number 782472. Company number 10723098. Registered office: Cumberland House, 24–28 Baxter Avenue, Southend-on-Sea, Essex SS2 6HZ. Registered with the Information Commissioner’s Office under reference ZB545200. All finance is subject to eligibility, satisfactory due diligence, credit approval and agreed terms. Invoice finance, trade finance and bridging finance may not be suitable for every business. The availability, structure, amount, pricing, fees, security requirements and completion timescales of any facility will depend on the applicant’s circumstances, the quality of the supporting evidence provided and our assessment of the proposed transaction. Any figures, examples, rates or timescales shown on this website are for illustrative purposes only and do not constitute an offer, commitment or guarantee of finance. Terms and conditions apply. Bridging finance is secured against property. Your property may be repossessed if you do not maintain repayments on a loan secured against it. Applicants should obtain independent legal, financial and tax advice where appropriate.