Reports
The job shows a profit but the account is empty
Both statements are true at once, and that is the sentence to sit with: a job can be genuinely profitable and genuinely unable to pay this week’s wages, because profit is a verdict and cash is a timetable. Builders go under holding order books full of profitable work.
QScope Team·6 March 2026·5 min read
Profit compares the value of work done with what it cost to do. Cash compares money that has arrived with money that has left. On a building job the two run months apart, and the distance is not a bug in your bookkeeping, it is the structure of the trade: you buy the materials and pay the labour before the client pays for the thing they built. The profit is real. It is just not in the account yet, and four holes hold it:
The four holes the profit is sitting in
- Retention. Three to five per cent of everything you have ever billed, held for a year or more past completion. On £600,000 of annual turnover at 5%, that is up to £30,000 of pure profit permanently in other people’s accounts, coming back on its own slow triggers, and only if somebody chases it.
- The valuation lag. Work done this month gets valued next month and paid the month after, your contract’s dates say exactly how long, so five or six weeks of earned money is always in transit. Every late payer stretches the hole further, which is why collection discipline is a profitability tool wearing an admin costume.
- The unbilled tail. Variations done and not applied for, dayworks unsheeted, PC adjustments never run: profit you have earned and not even asked for yet. This is the one hole you can empty this week, and the margin page calls it the biggest leak there is.
- Stock and deposits. The materials pile bought ahead, the deposit paid to the steelwork sub: cash converted into things that will become billable later. Real value, spendable never.
Why this kills profitable firms, mechanically
Wages and suppliers run on cash, and they do not wait for the timetable: the week the account cannot cover them, the firm stops, whatever the order book says. Growth makes it worse, not better, every new job digs its own four holes before it fills them, which is why expansion on thin cash is the classic failure of good small builders. The instruments that see it coming are the other two pages of this family: the position today, per job, and the forecast of the deepest week before you sign the next one. Nothing here changes with the client type; cash arithmetic does not read section 106.
What to do this week
1. Value your four holes, one line each: retention held on all jobs, valuations issued and unpaid, work done and unbilled, stock and deposits out. That total is where the profit lives.
2. Empty the hole you control: everything unbilled goes into this month’s applications.
3. Chase the hole that is overdue: anything past its final date is not a timing gap, it is a debt, and it moves to the collection ladder.
Where the information stops
If the holes are healthy and the account is still empty, the profit itself may be the illusion, prices below true cost make every month look one hole short, and testing that is the CVR’s job, with your accountant reading the result. Cash problems and pricing problems feel identical from inside; only the numbers tell them apart.