What Is Working Capital and Why Does It Absorb So Much Cash?

A business can be growing, profitable and busy while having more and more cash tied up in its operations. One of the reasons is working capital. The term can sound…

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A business can be growing, profitable and busy while having more and more cash tied up in its operations.

One of the reasons is working capital.

The term can sound technical.

The underlying idea isn’t.

Working capital is closely connected to the money a business needs to keep its day-to-day operations moving.

Think about the business cycle

Consider a simple product business.

First, the business buys stock.

Cash leaves.

Then the stock sits in inventory.

Eventually, the product is sold.

The customer may not pay immediately.

So the business can have cash tied up at several points in the cycle.

The same thing happens in service businesses, although the mechanics can look different.

Employees may need to be paid before customers settle their invoices.

The business therefore funds part of the gap.

Growth makes the cycle larger

Imagine a business doubles its sales.

That sounds positive.

But if it needs to hold twice as much inventory, employ more people and carry more outstanding customer invoices, the amount of cash tied up in operations may also increase.

This is why revenue growth doesn’t automatically create an equal increase in available cash.

A business can be profitable and still need additional funding to support expansion.

Receivables matter

Suppose a business invoices $1 million during a period.

If customers pay quickly, cash comes through the business relatively quickly.

If customers take much longer, more money remains tied up in receivables.

The sales have happened.

The revenue exists.

But the cash is still somewhere else.

This is why collection discipline matters.

Inventory matters too

Inventory creates another challenge.

Too little stock can disrupt sales.

Too much stock can absorb cash.

The business has to find the balance between being operationally prepared and keeping unnecessary amounts of cash tied up.

Slow-moving inventory can be particularly revealing.

It may look like an asset on the balance sheet.

But the business cannot use that value to pay a supplier today in the same way it could use cash.

Supplier terms can change the equation

Working capital isn’t only about money going out.

Supplier payment terms matter too.

If suppliers allow the business more time to pay, the cash cycle may be easier to manage.

If suppliers require faster payment, more cash may be needed upfront.

This is why commercial terms can have financial consequences.

The danger during rapid growth

Rapid growth can amplify working-capital pressure.

Imagine a company wins several large customers at once.

It needs to buy stock.

Hire employees.

Increase production.

Deliver more work.

But customer payments come later.

The business may therefore need additional cash even though the new business is profitable.

This is one of the reasons growth should be planned financially, not just commercially.

The questions leaders should ask

When thinking about working capital, ask:

How quickly do customers pay us?

How long does cash sit in inventory?

When do we pay suppliers?

What happens when sales increase?

How much additional cash would growth require?

These questions help turn an abstract accounting concept into a business conversation.

The bigger lesson

Working capital isn’t necessarily a problem.

Businesses need working capital to operate.

The issue is understanding how much cash is tied up and why.

If a business doesn’t understand its cash cycle, it can mistake growth for financial strength.

The business may be selling more while simultaneously needing more cash to support those sales.

Growth creates activity. Working capital determines how much cash that activity consumes along the way.

That is why understanding the cash cycle is part of understanding the business itself.

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Jonathan Maharaj

Jonathan Maharaj FCPA is a strategic adviser, founder and speaker helping ambitious individuals and business leaders make wiser decisions with money and the judgement that surrounds it. A Fellow of CPA Australia with over 20 years' experience in audit, compliance and strategic finance, he was named the #1 LinkedIn Creator in New Zealand by Favikon (30,000+ followers) and has been featured in Forbes, the New York Times and CBS. Jonathan is currently studying for his Management Master's degree at Harvard University, alongside a Master's from the University of London, and writes on financial wisdom, leadership judgement and strategic authority.

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