How to Assess Your Company's Working Capital Needs Before Borrowing

What working capital actually means for a trading business

Working capital is the difference between your current assets (cash, debtors, stock) and your current liabilities (trade creditors, accrued expenses, short-term loan repayments). Positive working capital means you have more liquid assets than near-term obligations — the business can meet its day-to-day commitments. Negative working capital can be a sign of liquidity stress even when the business is profitable on paper.

Profit and cash are not the same thing. A company can show a healthy profit on its P&L while simultaneously running out of cash if it is growing quickly, paying suppliers faster than it collects from customers, or carrying increasing stock levels. Working capital finance bridges that gap.

Calculating your working capital requirement

The simplest way to calculate how much working capital you need is to map your cash conversion cycle: how many days on average does it take from paying for inputs (labour, materials, services) to receiving cash from customers? If you pay suppliers in 30 days but collect from customers in 60 days, you need financing to cover 30 days of output. Multiply your daily revenue by the number of days in the gap to get a rough working capital requirement.

• Debtor days = (debtors / annual revenue) × 365
• Creditor days = (creditors / cost of sales) × 365
• Stock days = (stock / cost of sales) × 365 (if relevant)
• Working capital cycle in days = debtor days + stock days − creditor days

These are illustrative calculations. Your accountant can help you calculate these ratios accurately from your management accounts.

Matching the finance type to the need

Short-term or cyclical working capital needs — for example, funding a seasonal stock build or bridging a one-off payment delay — are usually best addressed with a revolving credit facility or invoice finance arrangement rather than a fixed-term loan. A revolving facility lets you draw down and repay as your cash position fluctuates, minimising the total interest cost. A fixed-term loan with monthly repayments can create additional cash pressure if the working capital need does not materialise on the expected schedule.

If your working capital need is structural — for example, you are growing at 30% per year and your debtor book is expanding permanently — a longer-term facility or an increase in equity capital may be more appropriate than repeated short-term draws.

What lenders examine when assessing a working capital facility

A lender considering a working capital facility will examine your debtor book quality (concentration risk, aged debtors, bad debt history), your creditor payment record, your cash position over the last twelve months, and your trading margins. They want to understand whether the working capital need is temporary and cyclical (lower risk) or symptomatic of a structural cash generation problem (higher risk).

Presenting a clear analysis of your working capital cycle alongside your application — showing the lender that you understand the mechanics and have a clear plan to use and repay the facility — materially strengthens an application compared to simply requesting an amount.