Cash flow when income arrives in lumps
Profitable studios close because of timing. The forecast that prevents it fits on one page.
Services income is lumpy: a large invoice lands, then nothing for six weeks, then two at once. Costs are not lumpy — salaries, subscriptions and rent arrive on schedule regardless.
The gap between those two patterns is where small studios get into trouble, and it happens to profitable ones as easily as to unprofitable ones. For practical ideas on staying organised across several clients, this guide provides a related operational perspective.
Forecast on a rolling thirteen weeks
Weekly columns, one page: expected receipts by client with realistic dates, then committed outgoings. The balance at the bottom of each week.
Thirteen weeks is far enough ahead to act — to chase early, delay a purchase, stage an invoice differently — and short enough to be maintained in ten minutes a week.
A client who has never paid inside forty-five days should be forecast at forty-five days regardless of what the invoice says. A forecast built on terms is a forecast of what should happen. Where client costs are passed through, HMRC guidance on costs and disbursements provides useful tax-context guidance.
Track the pipeline separately
Work won but not yet invoiced, and work proposed but not won, are different things and neither belongs in the cash forecast at face value.
Keeping them separate — committed, probable, possible — prevents the common failure of spending against revenue that has not been agreed.
Know the runway
One number: how many months of fixed costs are covered by cash on hand, assuming nothing new comes in. Three months is uncomfortable, six is workable.
Knowing it changes decisions in advance rather than in crisis, and it is the number that tells you whether a marginal project should be accepted or refused.
Invoice more often
The single most effective structural change for services cash flow is invoicing frequency. Monthly rather than at project end. Fortnightly on longer engagements. At each milestone rather than at completion.
It smooths the peaks, reduces exposure on any one invoice, and surfaces payment problems while they are small. There is rarely any client objection, because the total is unchanged.
Separate the tax money
Sales tax and income tax collected during the year are not revenue, and a services business with lumpy cash flow will spend them if they sit in the operating account.
A separate account, funded on receipt of each payment, removes an entire category of crisis. The specific obligations and rates differ by jurisdiction and warrant an accountant's advice.