Risk
Revenue Concentration Risk Calculator
How much of your business one phone call could delete — the risk hiding inside a great top customer.
Inputs
- Top customer revenue
- Top 3 customers revenue
- Total revenue
How to use this calculator
- Enter your top customer's revenue, your top three combined, and total revenue.
- The tool shows how dependent you are on a few accounts.
- High concentration means one lost customer can sink the business, and buyers apply a discount for it when they value you.
What each term means
- Revenue concentration
- The share of revenue coming from your largest customers.
- Customer concentration risk
- The danger that losing one big account cripples the business.
- Diversification
- Spreading revenue across many customers to reduce that risk.
Educational disclaimer: Outputs are simplified educational estimates built from the numbers you enter — they are not financial, legal, tax, or investment advice, and real decisions deserve verified figures and qualified professionals.