← All articles
Cash flow

Late payment is crippling UK SMEs. Here's a way out

Late payment is one of the most persistent problems facing UK SMEs. Chasing overdue invoices drains time, strains relationships and — worst of all — starves otherwise healthy businesses of cash. So what can actually be done about it?

Written by Bjorn Laku, Director & CMOReviewed by the Cashbook Finance lending team

The usual responses

Tighter credit control, clearer terms, deposits, prompt-payment discounts and firm reminders all help, and every business should do them. But they share a limit: even with perfect process, you're still ultimately waiting on someone else to pay.

Where invoice finance is different

Invoice finance removes the waiting altogether. Instead of relying on a customer to pay early, a funder advances up to 90% of each invoice within 24 to 48 hours of you raising it. Your cash flow stops depending on your customers' payment habits.

Best of both worlds

It isn't a question of either-or. Pair good credit-control discipline with a factoring facility — where the funder also chases payment for you — and you get faster cash and a professional collections process. Late payment stops being an existential threat and becomes a managed cost.

It won't change a customer's behaviour overnight, but it does take their slowness off your critical path — which, for most SMEs, is the part that hurts.

A practical decision test

Finance can protect operations from late payment, but it should sit alongside stronger credit management. Otherwise the business pays to accommodate customers indefinitely while debtor quality deteriorates. The objective is not merely earlier cash; it is a controlled route from sale to collection.

Commercial fit

Identify customers that pay late but predictably and distinguish them from genuinely doubtful debts. Invoice finance can bridge timing on collectible receivables. It cannot turn a disputed or insolvent debtor into reliable cash.

Evidence and eligibility

Track promised dates, payment behaviour, disputes and credit-limit usage by customer. A provider will use similar information to decide eligibility and reserves, so internal monitoring should be at least as disciplined.

Operational fit

Strengthen onboarding, purchase-order checks, invoice delivery and escalation. Finance works better when customers receive accurate invoices promptly and know that late payment will be followed up consistently.

Alternatives

Use deposits, direct debit, shorter terms or staged billing where commercial leverage allows. Finance should cover the residual timing gap, not replace every available credit-control improvement.

Model the downside, not just the headline

Compare the cost of the facility with the cost of delayed payroll, missed supplier discounts and management time spent firefighting. Include a downside case for one large debtor moving from late to non-payment.

Where this can go wrong

The trap is allowing sales teams to extend terms because funding is available. That transfers bargaining power to customers and increases financing cost. Keep credit terms a commercial decision with margin and risk consequences.

Questions to ask before signing

  1. Which invoices would be eligible, and what would reduce the available advance for responding to persistent late payment?
  2. What is the all-in cost at expected utilisation, including minimums, reserves and exit terms?
  3. Who owns customer communication, reporting, reconciliations and dispute escalation?
  4. How does the facility behave if sales fall or the largest debtor pays late?

Documents and controls to prepare

Every invoice finance discussion goes better with the same core pack: a current aged-debt report, representative contracts and invoices with delivery or acceptance evidence, recent management accounts with a short cash forecast, and an honest schedule of credit notes, bad debts and customer concentration. We keep one maintained resource covering the full pack, the questions that surface the all-in cost, and what to monitor once a facility is live — read the invoice finance preparation checklist.

This guide is general information, not a recommendation or an offer of finance. Suitability, availability, pricing and terms depend on the business, the debtor ledger and the proposed structure.

See what your invoices could release

Tell us how your business invoices and a director will give youa straight, no-obligation view on fit — usually within a day or two.

Talk to us
Current UK evidence

Late payment is improving — but it is still material.

The article now uses the latest official 2025 reporting data and translates payment days into the cash actually trapped in the operating cycle.

32 daysMedian time reported by large businesses to pay suppliers in 2025.
15%Share of invoices reported paid late by number in 2025.
14%Share of invoice value reported paid late in 2025.
45 daysReported manufacturing-sector payment time in 2025 — the longest sector figure.

Translate days into cash

A business with £3.65 million of annual credit sales generates roughly £10,000 of sales per day. A five-day reduction in debtor days releases about £50,000 of cash, before allowing for seasonality, VAT and changes in sales.

£3,650,000 annual credit sales ÷ 365 = £10,000 per day£10,000 × 5 days = £50,000 cash released

The point is not that every late invoice needs finance. It is that debtor days have a measurable working-capital cost.

Use current evidence

  • Check the customer’s published payment-practice reports where available.
  • Separate invoices that are late from invoices delayed by a genuine dispute or missing evidence.
  • Measure debtor days, dispute frequency and concentration by customer — not only the total overdue balance.
  • Use the Small Business Commissioner route where the issue falls within its remit.

Data note. The government statistics are based on self-reported large-business reports and use medians. They describe the reporting population, not the payment behaviour of every customer.

Practical implementation

Fix the operating response before adding finance

Use the guide to organise the evidence and operating decision, not simply to compare product labels.

01

Prevention

Clear terms, correct purchase-order references and prompt dispute resolution reduce avoidable delay.

02

Collection

Segment overdue accounts by cause and escalate systematically.

03

Funding

Use finance where the debt is valid and the timing gap is structural—not to hide uncollectable invoices.