Restaurant cash flow: stop being profitable but broke

Short answer: restaurants rarely die of losses; they die of timing. Studies attribute roughly 82% of small-business failures to cash-flow problems, and hospitality is especially exposed because money leaves on a fixed calendar (payroll, rent, suppliers) while it arrives on a lumpy one (weekends, seasons, card settlement delays). The fix is not more spreadsheets for their own sake: it is one rolling 13-week forecast, a three-account structure that quarantines tax and reserves, and knowing which levers pull cash forward when a crunch appears on the horizon. Here is the whole system.

Profitable but broke: how it actually happens

Picture a venue doing $22,000 a week at a healthy 61% prime cost. On paper, comfortably profitable. Now watch one bad fortnight: the quarterly insurance premium lands Monday, a public holiday kills a weekend, Tuesday is payroll, and the big supplier invoice from the busy month just came due. Sales are fine, profit is fine, and the account still goes red on Thursday. Nothing about the business is broken except the calendar, but bounced payments do not care about your margins. That is the whole disease: expenses on a fixed schedule, income on a wavy one, and no buffer between them.

Know your timing gaps

None of these gaps is fixable by working harder on Friday night. They are fixable by seeing them coming, which is the forecast’s job.

The 13-week forecast (copy this)

One spreadsheet, thirteen columns (a rolling quarter), ten minutes a week. Rows: cash in by channel (dine-in, direct online, delivery apps at their real settlement lag, catering deposits); cash out by commitment (payroll with the correct dates, each big supplier, rent, the tax sweep, every lumpy annual item dropped into its actual week); and the running bank balance along the bottom. Build it once from your last three months of bank statements, then each week update actuals and re-extend a week. What it buys you is time: the balance line dips below your comfort floor in week nine, and you are reading that in week one, with two months to act instead of two days. Venues on a weekly forecast simply stop being ambushed; the ambush is on the sheet.

The three-account system

• Trading: daily in and out. This is the only account that should ever look busy.
• Tax: the day money arrives, sweep the GST/sales-tax share plus payroll tax straight over. It was never yours; treating it as float is how tax bills become crises.
• Reserve: build toward one month of total operating costs, then two or three. Feed it weekly like a supplier invoice. For every predictable lump (insurance, licences), divide the amount by the weeks until due and move that much in each week.

Seasonality: bank the summer, budget the winter

Almost every food business has a wave: tourist summers, dead Januaries, festival spikes. The forecast turns the wave from a threat into a plan: in strong months the reserve target rises (you are pre-funding the quiet months), and in weak months the sheet already shows which weeks need the levers below, so nothing is improvised. December deserves special mention: it is both the strongest trading and the strongest cash-generation month, gift cards are paid now and redeemed later, which is precisely why a gift card push is a cash-flow strategy dressed as marketing.

Levers when the sheet shows a crunch

Pull cash forward

• Gift cards and prepaid bundles to your list: cash today, covers later.
• Deposits on catering, functions and large bookings, standard practice, just switched on (see catering).
• A direct-ordering push: direct sales settle on card timelines without the delivery apps’ commission and slower remittance cycles.

Push cash out later (respectfully)

• Ask key suppliers for longer terms; reliable payers usually get them, and asking before you are late preserves the relationship.
• Time big stock orders to land just after strong weekends rather than just before quiet ones.
• Slow discretionary spend (equipment upgrades, projects) until the sheet clears.

And if crunches keep recurring with healthy sales, the problem is margin, not timing: run the prime cost diagnosis, because no forecast can outrun food and labour at 70% of sales.

Mistakes that empty the account

• Reading the bank balance as health. Today’s balance minus this week’s committed payments is the real number.
• Spending tax money as float, the most common fatal habit in hospitality.
• Treating annual bills as surprises instead of 1/52nd weekly transfers.
• Opening undercapitalised: builds run 25–30% over and ramps take months; reserves are not optional (see opening a restaurant).
• Forecasting monthly. Rent is monthly; trouble is weekly.

Frequently asked questions

Why do profitable restaurants still run out of money?
Because profit and cash arrive on different calendars. Card sales settle a day or more after the meal, suppliers want payment in 7–30 days, payroll lands every week or fortnight, and rent, insurance and tax arrive in lumps. A venue can be profitable on paper and still hit a week where more cash leaves than arrives. That timing gap, not lack of profit, is why studies attribute around 82% of small-business failures to cash-flow problems.

What is a 13-week cash flow forecast?
A rolling spreadsheet with one column per week for the next 13 weeks (one quarter): expected cash in (by channel) on top, expected cash out (payroll, suppliers, rent, tax, loan payments) below, and the running bank balance along the bottom. Its whole job is to make a crunch visible six weeks before it happens, while you still have time to act. Update it weekly in ten minutes; the discipline matters more than the precision.

How much cash reserve should a restaurant keep?
Established venues should hold at least one month of total operating costs, ideally two to three, in a separate account they do not touch. New venues need far more: openings commonly run 25–30% over budget and take months to ramp, which is why guidance for openings runs to 6–12 months of reserves and why undercapitalisation is a top cause of first-year failure.

How do I fix a cash flow crunch quickly?
Work both sides of the timing gap. Pull cash forward: push gift cards, take deposits on catering and large bookings, and run a prepaid offer to regulars. Push payments back: ask suppliers for longer terms (most will for a reliable payer), align big orders to just after strong weekends, and slow discretionary spending. Then fix the underlying leak with your prime cost, because a crunch that repeats is a margin problem wearing a timing costume.

Should I use one bank account or several?
Several. A simple, powerful pattern: a trading account for daily in-and-out, a tax account you sweep GST/sales tax and payroll tax into the day you take the money (it was never yours), and a reserve account for the buffer. Venues that separate tax money stop having tax emergencies, which are the most avoidable cash crisis in hospitality.

Is falling revenue or slow-paying costs more dangerous?
The lumpy costs are the silent killer. Owners watch sales daily but get surprised by the quarterly insurance bill, the annual licence renewal and the tax instalment, all of which were predictable a year in advance. List every lumpy payment with its date, divide by the weeks until due, and move that much into the reserve weekly. Predictable lumps should never be emergencies.