Working capital finance explained

Working capital finance helps businesses meet everyday costs, manage seasonal pressures and accept new opportunities. However, finance shouldn’t conceal continuing losses or poor cash management. You need to understand the underlying shortfall before borrowing.

Working capital is the money available for your business’s everyday operations. It’s calculated by subtracting current liabilities from current assets:

Working capital = current assets − current liabilities

Current assets usually include cash, stock and customer invoices due within 12 months. Current liabilities include supplier bills, tax and short-term debts.

For example, imagine your business has £80,000 of current assets and £50,000 of current liabilities. Your working capital is £30,000.

Positive working capital suggests you can cover your short-term commitments. Negative working capital means your immediate liabilities exceed your short-term assets. However, the figure needs context. Industry, seasonality, payment terms and growth rate all affect how much working capital you need.

Working capital pays wages, rent, suppliers, utilities and other everyday expenses. Without sufficient cash, normal operations can quickly become difficult.

A business can appear profitable while struggling to pay its bills. Profit records income and expenditure, while cash flow tracks actual payments. Rapid growth can increase this risk. You might purchase stock, recruit staff and fulfil orders before customers pay you.

Working capital also gives you room to respond. You can handle unexpected repairs, tax bills, delayed payments and temporary reductions in sales. Strong working capital may support planned growth too. It can help you accept contracts, increase stock or prepare for seasonal demand.

Alongside the basic calculation, you can use the working capital ratio:

Working capital ratio = current assets ÷ current liabilities

A ratio above one means current assets exceed current liabilities. A ratio below one may indicate difficulty meeting short-term obligations.

A high ratio isn’t automatically positive. Cash could be trapped in overdue invoices or stock that’s difficult to sell. Monitor the calculation regularly rather than relying on an annual balance sheet. Monthly analysis can reveal deteriorating payment times or rising stock levels.

The working capital cycle measures how long invested money takes to return as cash. It covers the period between purchasing stock or delivering work and receiving customer payment. Supplier payment terms offset part of that period.

You can calculate it using this formula:

Working capital cycle = inventory days + receivable days − payable days

Suppose you hold stock for 60 days and customers pay after 30 days. Your suppliers give you 45 days.

Your working capital cycle is 45 days. You’ll need enough cash to support operations throughout that period.

Longer cycles generally require more working capital. Growth can magnify that requirement because more money becomes tied up across the cycle. Warning signs include rising stock, slower customer payments and missed supplier deadlines. Regular dependence on expensive credit can indicate deeper problems.

Working capital finance supports short-term operational requirements. It generally isn’t intended for property, major machinery or other long-term investments.

Businesses commonly use it for:

• Wages and employment costs
• Rent, utilities and tax bills
• Supplier payments
• Stock and raw materials
• Marketing expenditure
• Emergency repairs
• Seasonal trading gaps
• Delayed customer payments

The finance bridges money leaving and entering your business. Its structure should reflect the cause and expected duration of that gap. A temporary shortfall may justify short-term borrowing. A recurring structural deficit usually requires wider operational or financial changes.

A working capital loan normally provides a lump sum, repaid over an agreed period with interest. Terms are usually shorter than conventional business loans. Repayments may be monthly, weekly or linked to revenue, depending on the agreement.

Loans can fund a defined requirement, such as purchasing seasonal stock. They can also cover an unexpected delay or cancelled contract.

The main advantages are speed, flexible use and retained ownership. You don’t surrender equity to an external investor. However, short repayment periods can place further pressure on cash flow. Rates may also exceed those attached to longer-term, lower-risk borrowing.

Model repayments against conservative revenue forecasts. Confirm that the expected cash inflow arrives before substantial repayments become due.

Secured working capital finance uses assets as security. These could include property, machinery, stock, invoices or intellectual property.

Security can support a larger facility or lower rate. However, the lender may pursue secured assets following default.

Unsecured finance doesn’t require specific business assets. Lenders instead examine trading history, turnover, cash flow and creditworthiness. Unsecured borrowing may carry higher rates and lower limits. Directors may also need to provide personal guarantees.

A personal guarantee can make you personally liable if the business can’t repay. Obtain independent advice before accepting significant personal exposure.

A revolving credit facility provides a reusable funding limit. You draw money when required and replenish the facility through repayments. You’ll generally pay interest only on the amount used. This can suit businesses with changing or recurring funding requirements.

A business overdraft works similarly but sits alongside your current account. It offers a convenient buffer for brief and unpredictable shortages.

Overdraft rates and charges can be high. Banks may also reduce or withdraw facilities, making them unsuitable for permanent funding needs.

Invoice finance releases cash tied up in unpaid customer invoices. Businesses can often access a large proportion soon after issuing an invoice. With factoring, the provider usually manages collections and communicates with customers. With invoice discounting, you normally retain control over collections.

Some facilities remain confidential, meaning customers don’t know you’re using finance. Eligibility can depend partly on your customers’ creditworthiness.

Invoice finance can grow alongside sales, making it useful for expanding businesses. However, examine service charges, concentration limits and minimum commitments.

It’s generally most relevant to businesses selling to other organisations on credit terms. It won’t suit every customer or transaction model.

Purchase order finance helps fulfil confirmed orders when you can’t afford the supplier costs. The finance provider pays for the required goods. Once the customer settles, the provider deducts charges and releases the remaining balance.

Trade finance can also support overseas purchases and supply chains. It may help importers bridge the period between ordering goods and receiving customer payment. These products can prevent businesses rejecting valuable orders. You should still confirm that the transaction’s margin comfortably covers all finance costs.

A merchant cash advance provides upfront funding against future card sales. Repayments are usually taken automatically as an agreed percentage of card receipts. You’ll repay more during busy periods and less during quieter periods.

This structure can suit retailers, hospitality companies and other card-focused businesses. Approval may rely heavily on card turnover.

Merchant cash advances are often accessible and quick to arrange. However, their overall cost can exceed traditional borrowing. Compare the total repayment amount rather than looking only for an interest rate. Some advances use fixed fees or factor rates instead.

Asset-based finance uses business assets to secure working capital. Eligible assets might include invoices, stock, property, plant or machinery.

A structured facility can combine several asset classes, potentially unlocking more money than a single-asset arrangement. Asset finance can also preserve working capital when purchasing equipment. Instead of paying upfront, you spread the cost across an agreed period.

Remember that secured assets may be at risk following default. Valuation, legal and arrangement costs can also affect the facility’s total price.

Finance can bridge a genuine timing gap, but operational improvements may reduce your borrowing requirement.

Invoice customers immediately and make payment terms clear. Use automated reminders and address late payments before they become persistent. Review customer credit limits and consider deposits for large orders. Early-payment discounts may cost less than financing an extended wait.

Control inventory carefully. Excess stock ties up cash, while insufficient stock can damage sales and customer service. Negotiate supplier terms rather than simply paying late. Longer agreed terms can help without weakening important commercial relationships.

Maintain a rolling cash flow forecast. Include payroll, tax, loan repayments, stock purchases and realistic customer payment dates.

Requirements differ, but lenders usually examine trading history, turnover, existing debt, credit records and repayment capacity. They may request management accounts, year-end accounts, bank statements and forecasts. Invoice finance providers may also require detailed debtor and creditor lists. 

Explain exactly why the shortfall exists. Show when the borrowed money will produce or release enough cash for repayment.

Consider how growth could change stock requirements, customer payment terms and supplier arrangements. Your application should reflect these additional pressures. Better records make your requirement easier to understand. They can also help lenders distinguish a manageable timing gap from continuing financial distress.

Start by identifying whether your shortfall is temporary, seasonal or recurring. Then match the finance structure to that underlying requirement.

Compare:

• The total amount repayable
• Interest, fixed charges and arrangement fees
• Repayment frequency and duration
• Security and personal guarantees
• Early repayment costs
• Late-payment penalties
• Speed and documentation requirements
• Effects on future borrowing
• Flexibility during weaker trading periods

Don’t judge offers using the headline rate alone. Fees and repayment frequency can materially change affordability. Working capital finance should solve a defined cash timing problem. It shouldn’t create a larger repayment problem several months later.

Used carefully, it can stabilise operations and support sustainable growth. The right facility should match your trading cycle, repayment capacity and commercial objectives.

We’re committed to helping small business owners find the right solution to faster growth. Use our finance finder tool to see whether a Start Up Loan or Small Business Loan could give you the working capital you need to thrive.

Find your finance