Revenue guide
What If One Big Client Leaves?
One great client can become one giant risk.
Help operators see how client concentration distorts confidence, hiring decisions, and spending plans.
Run the related calculatorMeasure concentration
Client Concentration Risk
Check runway after loss
Cash Runway Calculator
The mistake
A large client can feel like safety because the invoice is real. But if one relationship controls hiring, owner pay, or payroll confidence, revenue is less diversified than it feels.
The better move
Model largest-client loss, replacement months, profit at risk, payment timing, and the sales target needed to replace the account before adding fixed costs.
Revenue planning boundary
This guide is educational business-planning content. Revenue forecasts, churn estimates, sales targets, and cash runway scenarios depend on the inputs, customers, market, payment timing, and operating costs. Treat outputs as planning scenarios, not promises.
Use one real revenue stream at a time. Separate signed work, collected cash, recurring revenue, late invoices, and pipeline guesses before running a calculator. That separation usually shows whether the business has a sales problem, a collection problem, a pricing problem, or a capacity problem.