Why forecasting matters to a first-time founder
A forecast turns assumptions about sales, hiring, pricing and costs into a view of what may happen next. It helps a founder spot cash gaps and test decisions before committing money. The value comes from visible assumptions and regular updates, not from pretending an uncertain future can be predicted precisely.
Examples of forecasting
A software company starts with 100 customers, expects five new customers and two cancellations each month, and charges £50 monthly. Its forecast applies those assumptions to revenue, payment timing and planned hires. When cancellations rise to four, the founder updates the model and postpones a hire before cash becomes tight.
Common misunderstanding
A forecast is not a target or a promise. A target describes the result the team wants; a forecast estimates the result current evidence and assumptions suggest. It is also not simply last year’s number plus a percentage. New capacity, payment timing and changing customer behaviour may matter more than historical growth.
When to use it
Build a simple forecast before hiring, fundraising, purchasing stock or making another commitment that affects cash. Review actual results against it monthly and change assumptions when evidence changes. Very early founders do not need a complex five-year model; a short, transparent view of customers, costs and cash is more useful.