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← Blog · Cash and finance

Growing fast and running out of cash at the same time

Profitable businesses fail on cash timing. If you are scaling, working capital is the risk to watch, and the P&L will not warn you in time.

Tommy Boyle, Founder, Business Answers · 23 September 2025 · 8 min read

Bank statements beside a laptop showing a cash flow line

The short answer

  • Growth consumes cash before it produces it. Stock, wages and debtor days all move first, and the profit arrives later.
  • Every extra €1m of turnover ties up cash in working capital. Know your figure before you take the growth on.
  • Debtor days, stock days and creditor days together tell you how long your money is out of your hands.
  • A thirteen week rolling cash forecast, updated weekly, is the single most useful document in a growing business.

The most uncomfortable meetings I have had over thirty years were not with struggling businesses. They were with growing ones. Order book full, staff busy, profit on paper, and no money in the account to pay the wages at the end of the month.

Why growth eats cash

You buy materials or stock before you invoice. You pay staff weekly or monthly for work a customer will pay for in sixty days. If a customer takes ninety days, you are financing them out of your own account while your suppliers expect thirty.

The bigger the growth, the bigger the gap. Doubling turnover roughly doubles the amount of cash locked in that cycle, and it happens before the extra profit ever lands.

Know your working capital per €1m of turnover

Take debtors plus stock, minus creditors, and express it as a share of turnover. That figure tells you how much cash the next €1m of growth will absorb. Owners who know that number take growth decisions calmly. Owners who do not take them and then spend six months firefighting.

The three days figures worth watching

Debtor days, how long customers actually take, not what your terms say. Stock days, how long goods sit before they are sold. Creditor days, how long you take to pay. Pull five days out of debtor days and you have released real cash without touching sales.

Chase invoices as a routine process rather than an emergency. In most businesses the biggest available cash improvement is collection discipline, not funding.

Arrange funding before you need it

Invoice finance, a working capital facility or a stocking arrangement all cost money, and all cost far less than a missed payroll or a supplier putting you on stop. The time to talk to a lender is when the figures look strong and the request is planned, not the week the pressure arrives.

Bring a thirteen week forecast to that conversation. It changes how you are treated.

The order to work in when cash is tight

Collections first, because that money is already yours and it costs nothing to go and get it. Then terms, both what you ask customers for and what you have agreed with suppliers. Then stock and work in progress, where cash sits quietly in a yard or a warehouse. Funding comes after all three, not instead of them.

Owners often start at the end of that list, because a facility feels like a solution and a debtor conversation feels like a confrontation. The facility is the expensive version of the same outcome.

Warning signs worth acting on early

Revenue rising while the bank balance falls. Payments to suppliers being sequenced rather than scheduled. Revenue liabilities being used, even briefly, as working capital. A large new contract that everybody is delighted about and nobody has costed for cash.

Any one of those is manageable if it is dealt with in the month it appears. Two or three together, left for a quarter, is how a profitable business ends up in a conversation it cannot control.

Take growth decisions with the cash number in front of you

Before accepting a large order or opening a new location, work out what it absorbs in cash, in which weeks, and whether that is available without a facility. Sometimes the answer is to take the work and arrange funding in advance, sometimes it is to phase it, and occasionally it is to decline it and say so plainly.

That is a decision made better with a second pair of eyes on the numbers than alone at the kitchen table, and it is one of the more common reasons owners ring me.

Where these figures come from

The working capital examples here are illustrations built from client work, not averages for your sector.

Talk it through

Talk your business through with Tommy Boyle

A free 30 minute call with Tommy Boyle. You bring the situation, he tells you what he would look at first and whether there is a piece of work worth doing. Nothing is sold to you on the call.

Or email tommy@businessanswers.ie

Questions owners ask

Why is my business profitable but has no cash?
Because profit is recorded when you invoice and cash arrives when you get paid. Growth widens the gap, since stock, materials and wages are paid out before customers settle. Working capital, not profitability, is usually the issue.
What are good debtor days for an Irish SME?
It depends on sector and terms, but the useful comparison is your own trend and your stated terms. If terms are thirty days and actual collection is running at sixty five, there is cash sitting in your debtor book that better process would release.
When should I arrange a working capital facility?
Before you need it, ideally while trading looks strong and you can present a forecast. Facilities arranged under pressure cost more and take longer to approve.

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