The P&L says you are profitable. The bank account says you have three months left. This disconnect between accounting profit and actual cash is the single biggest financial blind spot for SaaS founders, and it has killed more startups than bad product-market fit.
In SaaS, the timing gap between recognising revenue and receiving cash creates a permanent disconnect. You pay your sales team this month, but the customer pays net-30 or net-45. You recognise annual subscriptions over twelve months, but the cash arrives upfront or monthly. Hiring happens months before revenue, and working capital needs grow as you scale.
A 13-week direct cash flow forecast shows every cash in and cash out by week. This is your survival tool — it answers whether you can make payroll and pay your bills for the next three months. An 18-month indirect forecast built from your P&L with working capital adjustments shows your longer-term cash trajectory and when you need the next injection of capital.
For the complete guide on building both forecast types, managing working capital, and using cash forecasting to make better decisions about hiring, marketing spend, and fundraising timing:
Cash Flow Forecasting for SaaS Startups: Complete Guide →
Also see: Startup Runway Calculator
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