Invoice Financing and Factoring: A Practical Guide for SMEs

Waiting 60 days for a customer to pay is a financing decision made by default. Invoice finance turns those receivables into cash sooner, for a fee. It can be a lifeline for a growing business, but the cost and the contract terms vary enormously. This guide explains what you are actually buying.

What invoice finance actually is

Invoice finance is a loan or facility secured against money your customers owe you. You raise an invoice, the finance provider advances a percentage of it, usually between 70 and 90 percent, and the rest follows when the customer pays. The provider charges interest and a service fee for the period the money is outstanding.

Because the facility is secured on receivables, it can be easier to obtain than an unsecured loan for a young or fast-growing company. The limit typically moves with the value of your invoice book, so it can expand as sales grow. That flexibility is the main attraction, and the main reason providers scrutinise your customers closely.

Factoring versus invoice discounting

In factoring, the provider takes over the sales ledger and chases payment in its own name or alongside yours. Your customers may see a different payment instruction and correspondence. This suits businesses without a credit control team, or those whose customers are used to it.

In invoice discounting, you keep control of the ledger and chase payment yourself. Customers are usually unaware of the facility. It is cheaper and more discreet but requires reliable invoicing and collection processes. Providers will ask for evidence that you collect consistently before they offer it.

Related reading: releasing cash from inventory pairs well with Working Capital.

The real cost calculation

Costs usually combine a service fee, calculated as a percentage of turnover or invoice value, and a discount charge, calculated as interest on the funds advanced. Some providers add an arrangement fee, a minimum contract period and charges for each invoice or credit check. Add them all before comparing quotes.

Convert the total annual cost into a percentage of the cash you actually receive, not the invoice value. A facility that advances 80 percent and charges fees on the full invoice can look cheaper than it is. Model a realistic month with your actual average payment days, because the cost rises the longer customers take to pay.

Invoice finance buys time, not margin. If the margin cannot cover the fee, the order is not worth taking.

Eligibility and credit limits

Providers assess your customers as much as your business. They may set a credit limit per debtor and exclude invoices from customers with a poor payment record or a concentration risk. A single customer representing half your sales is a red flag, even if that customer always pays.

Invoices must usually be undisputed, for completed work and within agreed terms. Construction, export and public-sector work can have special rules. Ask what happens if a customer disputes an invoice after it has been funded; the provider may claw back the advance, which can create an unexpected cash hole.

Also see our guide to forecasting cash 13 weeks ahead for a deeper comparison.

Customer experience and disclosure

Factoring changes how customers pay. A new bank account, a reference number and a notice of assignment can confuse an accounts payable team and delay payment. Explain the change in advance, provide clear instructions and confirm receipt with the customer. Poor communication is the most common reason factoring slows payment rather than speeding it up.

Check whether your contracts require consent before assigning receivables, and whether disclosure is mandatory in your jurisdiction. Hiding a facility that changes payment instructions is not practical and can breach the agreement. A short, honest note to key customers is better than a surprise on the next statement.

Background: how factoring and invoice finance work.

Contracts and exit clauses

Look for the minimum term, notice period, termination fee and any indemnity for invoices that are not paid. Some contracts include a whole-turnover clause requiring all invoices to be financed, not just the ones you choose. Others allow selective funding at a higher fee.

Ask how the provider handles bad debt. In non-recourse factoring, the provider may absorb a customer insolvency within agreed limits, but the cover is rarely unlimited and often excludes disputes. In recourse factoring, the debt remains yours. The difference matters more than a small fee difference, especially if your customers are concentrated.

Alternatives before you sign

Before committing, check whether better credit control, staged payments or a short-term business loan would solve the timing problem more cheaply. A single late customer may be a collection issue rather than a financing need. Negotiating 30-day terms with a large customer can be worth more than a facility fee.

If you do sign, start with a small facility and a short commitment, measure the all-in cost against your gross margin and review after three months. Invoice finance works best as a bridge for a growing order book, not as a permanent substitute for profitability. The cheapest funding is still a customer who pays on time.