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Invoice Finance4 min readJune 2026

5 signs your business needs invoice finance right now

Unpaid invoices tying up your cash? Here are 5 clear signs your business needs invoice finance, what it costs, and how it works for UK SMEs.

Written by Sorbus Finance

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5 signs your business needs invoice finance right now

1. You are waiting weeks or months to get paid, but your costs don't wait

If your standard customer payment terms are 30, 60 or even 90 days, you are effectively lending your own working capital to your customers for free while your wages, suppliers, and overheads still need paying on time. This gap is the single most common reason businesses come to us for invoice finance. It is not a sign of a struggling business, it is simply a mismatch between when money goes out and when it comes back in.

2. You are turning down new orders or contracts because you can't fund them

This is the one that should worry you most, because it is growth you are actively leaving on the table. If a new contract would require you to buy stock, pay subcontractors, or take on staff before the resulting invoice gets paid, and you are hesitating or declining because the cash isn't there yet, that is a working capital problem, not a demand problem. Invoice finance exists specifically to close that gap so growth doesn't stall on cash flow alone.

3. Your overdraft or existing facility is maxed out, reduced, or under review

Overdrafts are increasingly hard to come by and easy to lose. If your bank has capped, reduced, or is reviewing your overdraft facility, and you are relying on it to bridge the gap between invoicing and payment, you are one review away from a serious cash flow problem. Invoice finance is secured against your debtor book rather than general business assets, so it sits alongside existing facilities rather than competing with them, and it scales automatically as your sales grow.

4. Cash flow gaps are becoming a monthly pattern, not a one-off

A single tight month can happen to any business. A recurring pattern, where you are chasing payments, delaying supplier payments, or juggling which invoices to pay first every month, is a structural issue rather than a blip. If this has become routine rather than occasional, it is worth fixing the underlying timing gap rather than continuing to manage around it.

5. Your sales are growing faster than your cash reserves

Rapid growth is usually treated as a good problem to have, but it is still a problem if your debtor book is growing faster than the cash actually landing in your account. The more you sell on credit terms, the bigger the gap between invoicing and getting paid becomes in cash terms, even while the business looks increasingly profitable on paper. This is exactly the scenario where invoice finance scales with you, since the facility grows automatically as your invoice value grows, without a fresh round of negotiations every time turnover increases.

How invoice finance actually works

Once a facility is in place, the process is simple. You raise an invoice to your customer as normal and submit a copy to the finance provider. The provider advances an agreed percentage, typically 80% to 90% of the invoice value, usually within 24 to 48 hours. Once your customer pays on their normal terms, you receive the remaining balance, minus the service and discount charges.

There are two main structures. Invoice factoring includes credit control, so the provider manages collection from your customers on your behalf, which suits businesses without an in-house credit control function. Invoice discounting is confidential, meaning you retain control of collections and your customers are unaware a finance provider is involved, which tends to suit larger, more established businesses.

Invoice finance and asset-based lending is now a mainstream part of UK business funding rather than a last resort. According to https://www.ukfinance.org.uk/our-expertise/commercial-finance/invoice-finance-and-asset-based-lending, members providing this type of funding advance well over £20 billion to UK businesses at any one time, amounting to around £150 billion of finance per year, supporting businesses with a combined annual turnover of more than £315 billion in 2024. That scale reflects how normal this form of funding has become for businesses managing exactly the cash flow gaps described above.

What does invoice finance cost?

Cost typically has two elements: a discount charge, usually the Bank of England base rate plus a margin, applied to the funds you draw down, and a service charge covering administration and, where applicable, credit control, usually a small percentage of turnover. The total cost depends heavily on your invoice volume, average debtor days, and sector, so the figure worth focusing on is the effective cost against the working capital gap it closes, not the headline percentage in isolation.

Is invoice finance right for every business?

It suits businesses that invoice other businesses on credit terms, particularly where debtor days are long relative to the operating cycle, such as manufacturing, wholesale, transport and logistics, and recruitment. It is less suited to businesses that sell to consumers or are paid on delivery, since there is no debtor gap to fund in the first place. If you are unsure whether invoice discounting or invoice factoring is right for your business, we have a free tool to help you decide!

Talk to Sorbus Finance about your cash flow

If any of the five signs above sound like your business right now, get in touch with the team at Sorbus Finance. We will look at your invoice book, your sector, and your growth plans, and give you a clear view of what is achievable and what it will cost.

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