Draft for Ciaran's read, not published

Learn · from our Companies House research

Negative net cash: what it means, and how many UK companies actually have it.

What negative net cash actually means

Take the cash in the bank, add the money customers owe you, subtract the money you owe suppliers, HMRC and everyone else falling due. If the answer is below zero, your business is running on other people's money: the bank balance may look fine on a Tuesday, but the claims against it are bigger than everything coming in. It is not automatically fatal, plenty of businesses trade through it, but it means there is no padding at all between a normal shock and a crisis, and the options get expensive quickly. It is the "cliff edge" position in the five cash positions.

How common is it? The numbers from 7,000 real filings

We took 7,000 UK companies that filed their accounts at Companies House across June and July 2026 and looked at what the balance sheets actually said. Three findings:

• Almost 4 in 10 have negative net cash. They owe more than what is in the bank plus what they are owed.
• Almost 2 in 3 have less cash than they owe their creditors. Without the debtor book coming in on time, most UK companies cannot cover what is already due.
• 1 in 5 has less than £1,000 in the bank. Not a cushion. A rounding error.

So what? It was a big sample, and the honest reading is that a very large number of UK companies are going to need some form of emergency response in the not-so-distant future. If your own position is weak, you are not unusual, but the companies that come through are the ones that see it early, while the fixes are still cheap.

If that is you: what to do this week

The point of knowing your net cash is not the number, it is the sequence it puts you in. Know where you stand before you take off, not mid-flight: check your net cash and your cushion in months, chase the debtors that bring it back above the line, and know what is leaving before it leaves. Cash is the lifeblood of every enterprise; the whole reason we condensed this down to nearly one recognisable number is so an owner can see it quickly and act on it, rather than find out from the bank.

For accountants and bookkeepers: the base rate for your client list

These numbers are your client base rate. If 4 in 10 filing companies have negative net cash, a ten-client portfolio statistically contains several, and by the time accounts are filed the year-end they describe can be the best part of a year old, so the live position may be worse. The practical move is knowing which of your clients sit below the line THIS week rather than at year-end: a weekly cash briefing per client makes the base rate visible before it becomes a phone call.