Cash flow in construction: why you invoice a lot and never have money

Problem: you invoice well, the jobs are there, but there is never any cash in the account. When salaries, taxes or a supplier payment come due, you are always scrambling.

Solution: an 8-week cash plan that tells you in advance when money will run out, before it happens.

Result: you stop managing cash by feel and start making decisions based on real numbers.

"I need to understand where this problem comes from"

During a consultation, a business owner told me something I hear often: "There are two things I am not happy about... definitely the cash flow situation, I need to understand where this problem comes from."

He is not an isolated case. He invoices well, has work, the sites are running. But every month is a race to cover outgoings. And the worst part is he does not understand why.

The answer is almost always the same: cash flow. Not revenue, not margins. Cash flow, meaning the money coming in and going out of the bank account in a given period.

Profit is an opinion, cash is a fact

This is the most important concept in this entire article. You can have accounts that say you earned 100.000 € this year. But if that money is locked up in uncollected invoices, warehouse stock and supplier advances, you will not see it in the bank.

Profit is what the accountant calculates at year-end. Cash is what you see every morning when you open your banking app.

The formula is brutally simple:

Opening balance + cash in - cash out = closing balance

If the closing balance is negative, you have a problem. No matter how much you invoice.

Why cash flow is always critical in construction

In other industries you sell, collect, buy. In construction the cycle is different and much longer.

Result: between the moment you start spending and the moment you collect, 3-4 months can pass. Across multiple open sites at the same time, this creates a massive liquidity gap.

Another business owner I work with found himself in a clear situation: "The bank will not finance 1,050,000 any more, they want to bring it down to around 800,000 Euro." When the bank cuts your credit line, the cash flow problem becomes an emergency.

The post-incentive problem: longer timelines, emptier cash

After construction incentives ended, many businesses saw a drop in sales. A company owner in Central Italy told me without beating around the bush: "Sales dropped a lot, we are around 4 million, considering we were at 14."

But the problem is not just falling revenue. It is that timelines stretch. Clients take longer to decide before signing. And meanwhile you keep paying salaries, rent, equipment instalments.

Eight businesses I work with reported the same problem: the time from first contact to contract signature getting longer. The more time passes, the more cash drains out with nothing coming in.

The signs your cash flow is out of control

You do not need an accountant to spot this. If you recognise at least two of these points, you have a cash problem.

• Every month you are trying to work out whether you can pay salaries on time
• You have significant invoices to collect but the account is nearly at zero
• You pay suppliers late because "I need to collect first"
• Tax bills hit you like a sledgehammer because you had not planned for them
• You ask clients for deposits not as company policy but because you need the money to buy the material

A client I have been working with for some time told me: "I am worried about taxes... if I had to pay income tax on whatever amount comes out this year, we would have to take out a loan." That is the sign that cash flow is not under control.

The 8-week cash plan

The tool that works is simple. It is called a cash plan and it covers the next 8 weeks. Eight, not four. Because four weeks do not give you enough time to react.

Here is how it works. Each week has two columns: expected inflows and expected outflows.

Inflows: invoices issued with a due date that week, deposits to receive, any certain collections.

Outflows: salaries, contributions, suppliers, instalments, rent, taxes (if expected), recurring outgoings.

The cumulative balance tells you week by week how the account stands. If you see that in 5 weeks the balance goes below zero, you have 5 weeks to do something. Bring forward a collection, delay a purchase, call a client who is late with payment.

Two numbers to always keep in sight

Beyond the cash plan, there are two indicators that tell you whether your business's financial structure holds up.

Current ratio: the ratio between what you have available short-term (cash, receivables, stock) and what you owe short-term (suppliers, instalments, debts). The minimum target is 1.20. Below 1, you are technically in trouble.

Equity ratio: how much equity you have relative to total assets. The minimum is 5%. Below that, any unexpected event brings you to your knees.

You do not have to calculate these yourself. Your accountant already has them. Ask. If they do not know what they are, change accountant.

Before and after

BAU Gest

Tieni il cash flow sotto controllo con BAU Gest

BAU Gest genera il cash plan a 8 settimane in automatico, partendo dalle commesse attive e dalle scadenze reali. Report settimanale con saldo previsto, alert quando la cassa scende sotto la soglia di sicurezza.

See how it works

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Net margin24,2%

Active jobs8

Hours deviation+12%

The real point

Cash flow is not a concept for accountants. It is the difference between sleeping soundly and waking up at three in the morning wondering how to pay salaries on Friday.

Invoicing a lot and never having money is not normal. It is the symptom of a cash flow that nobody is monitoring.

Start here: open a spreadsheet, write the next 8 weeks, put down the inflows and outflows you know about. Look at the cumulative balance. If what you see does not look good, it is time to act.

If you want to do this exercise together, book 30 minutes with us. We look at your numbers, build the cash plan and work out where liquidity is leaking. The initial consultation is free and with no obligation.