See February
in October.

Cashflow forecasting projects money in and out over the coming weeks from what your books already know — invoices due, bills scheduled, recurring costs and seasonal patterns — so a shortfall is visible while you still have time to do something about it.

LAST REVIEWED 27 AUGUST 2026 · BIZZLE

Profit is not cash, and cash is what closes businesses

A profitable business fails when the money owed to it arrives later than the money it owes. That gap is invisible in a profit and loss account and obvious in a cashflow forecast.

It is the single most common way an otherwise healthy small business gets into trouble, and it is almost always foreseeable weeks ahead.

What the forecast is built from

  • Invoices raised and when they are actually due, not when you hope they will be paid.
  • How your customers actually pay — a client who always takes 60 days is modelled as 60 days.
  • Bills and recurring costs already scheduled.
  • Tax set aside: VAT, PAYE and Self Assessment payments on account.
  • Seasonality visible in your own history rather than a generic assumption.

What to do when it shows a gap

  • Chase earlier. Most gaps close with money already owed to you rather than new work.
  • Move a discretionary purchase by a month. A van bought in the wrong month is a cash problem, not a profit one.
  • Sell into the gap now — autumn work fills a February hole, February does not.
  • Talk to your accountant before it arrives. Time to Pay arrangements are far easier to agree in advance than in arrears.

TERMS USED ON THIS PAGE

COMMON QUESTIONS

Questions people ask.

How far ahead is useful?

Thirteen weeks is the practical horizon for a small business: long enough to act, short enough to be based on real invoices rather than guesses.

Does it account for tax?

Yes, and it should. VAT and payments on account are the two liabilities that most often turn a comfortable balance into an uncomfortable month.

What if my income is unpredictable?

Then the forecast is more useful, not less. Ranges based on your own history beat the alternative, which is finding out in real time.

How often is the forecast updated?

Every time the books change, which with a daily bank feed means every morning. A forecast built on last month's figures is an opinion; one rebuilt from yesterday's reconciliation is worth acting on.

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