Corporate Finance

The Working-capital Investment Hiding Inside Every Growth Plan

Size the cash a growth plan will absorb before it absorbs it — one number, cents of working capital per dollar of new revenue — and see why a profitable, well-run company can run out of money precisely because it is growing.

  • Intermediate
  • 13 min total
  • 14 chapters

What decision this helps you make: How much cash next year's growth will consume before it produces any, whether the business can fund that from its own margin, and which of the three working-capital levers to pull if it cannot.

What this topic is

Working capital is the cash tied up in running the business day to day: money owed by customers, money sitting in stock, less money you have not yet paid suppliers. When a business grows, all three grow with it, and the increase is an investment exactly like buying a machine — cash out now, returns later. It simply never appears on a capital request, because no accounting or approval convention treats it as capital spending.

Why it matters

This is the single most common reason a profitable business runs out of money. Growth consumes cash first and produces it later, and the faster the growth the wider the gap. Companies that would never approve a machine without a paper routinely commit two or three times as much to working capital by approving a sales plan, with no document, no appraisal, and no funding decision attached.

Who should learn it

Owners planning a step up in volume, finance leaders building next year's plan, anyone approving a growth project whose capital number covers only the fixed assets, and operators who cannot understand why a record year felt so tight.

What you will understand

  • Why growth absorbs cash even at healthy margins, and how to compute how much
  • The cash conversion cycle, and what each of its three parts is actually measuring
  • How to size the working-capital requirement of a plan before committing to it
  • Which lever to pull first when the requirement exceeds what the business can fund

Prerequisites

Common misconception

"We are profitable, so growth funds itself." Profit is measured when a sale is recorded; cash arrives when the customer pays, and it left when you bought the stock and paid the staff. Between those two moments the business is lending money to its own growth. At a 25% gross margin with 60 days to collect and 45 days of stock, every extra dollar of monthly revenue ties up considerably more than the margin it earns in that month — so the faster you grow, the further behind the cash falls. The company is not failing. It is succeeding faster than its balance sheet can carry.