Working capital analysis: explain cash tied up in operations
Working capital analysis explains how operating balances absorb or release cash. Define operating working capital explicitly, calculate comparable balance changes, and translate each change into a cash direction. Do not assume that every current asset or liability belongs in the same operating measure.
Define the boundary before calculating
A simplified operating measure is trade receivables plus inventory minus trade payables. It excludes cash and financing debt, and it may need other operating assets or liabilities for a particular business. Banks and insurers require different analytical structures; this industrial-company shortcut is not universal.
IAS 7 describes adjustments for accruals, deferrals and non-cash items in the indirect cash-flow method. Balance-sheet changes are a starting point, but acquisitions, currency and other non-cash movements can prevent a direct match with the cash-flow statement.
Hypothetical cash-absorption bridge
Assume no non-cash or scope changes. Receivables rise from 40 to 55, inventory from 30 to 42, and payables from 25 to 35.
| Balance | Opening | Closing | Simplified cash effect |
|---|---|---|---|
| Receivables | 40 | 55 | -15 |
| Inventory | 30 | 42 | -12 |
| Payables | 25 | 35 | +10 |
| Operating working capital | 45 | 62 | -17 |
The company tied up 17 additional units in these balances. That does not mean it lost 17 of profit; the bridge concerns timing and investment in operations. If pre-working-capital operating cash generation were 50 within the same simplified model, the remaining amount would be 33 before other operating adjustments.
Identify the business explanation
Split the 17 into growth requirements and possible deterioration. Higher sales can require more receivables and inventory even when terms are stable. Slower collection, excess stock and earlier supplier payment can create additional absorption. Compare balance days or turnover using consistent denominators to distinguish these possibilities.
Build a record with reported change, acquisition effect, currency effect, other non-cash items, estimated operating change and source. Do not hide an unexplained residual inside “other working capital.” The residual can identify a missing account or a mistaken sign.
Verify seasonal comparability. A holiday retailer’s year-end inventory is not directly comparable with its pre-holiday peak. Average balances can help, but a simple opening-and-closing average may still miss large intra-period swings. Explain the approximation.
Common mistakes include counting a payable increase as cash absorption, treating acquired inventory as an operating purchase, and using total current liabilities when the question concerns suppliers. Another is calling every release sustainable: delaying suppliers can improve current cash while worsening future funding pressure.
This analysis is a diagnostic of operating cash timing, not a standalone solvency or profitability conclusion. A structurally negative working-capital model can be healthy when customers pay first, but refunds or demand reversals can change that benefit quickly.
A further check on the example
Recalculate the cash signs independently. In the example, increased receivables and inventory absorb 27 while increased payables fund 10, leaving net absorption of 17. Then ask whether a reversal would be operationally plausible. Selling inventory may release cash, but reducing it below required service levels is not a sustainable improvement. A working-capital scenario should therefore specify the target operating balances, not assume that every unit of the current 62 can be released without affecting the business.
FAQ
Is lower working capital always better?
No. Too little inventory can disrupt service, and stretched suppliers can threaten supply. Assess operating requirements and the reason for the change.
Should cash be included?
For a broad accounting definition of net working capital it may be. For an operating cash bridge, state an operating definition and keep financing and cash balances separate.