Customer Concentration Risk Calculator
Calculate % of revenue from your top 10/20/50 customers, red flag if any single customer is >10% of revenue (investor concern).
About this tool
Top-customer concentration is a fundraising red flag. >10% from one customer often blocks deals. Calculator surfaces concentration at multiple cuts.
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See all tools →Calculate the true Fully-Loaded CAC, paid spend + marketing salaries + tools (Klaviyo, Triple Whale) + freelancers + creative.
Calculate the SaaS Magic Number, (Δ new ARR × 4) / prior-quarter S&M spend. ≥0.75 = healthy growth efficiency.
Compare CAC across Meta, Google, TikTok, influencer, affiliate, organic, side-by-side with retention adjustments.
How many months until a customer earns back what you spent acquiring them? Critical for cash-strapped D2C.
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