This calculator measures how much of your revenue is concentrated in your top clients and models the financial impact if your largest client left.
Purpose:
Enter your total revenue, largest client revenue, second and third largest clients, monthly fixed costs, and cash reserves. The calculator shows your concentration risk level and survival scenario.
Tips for Ongoing Use:
Bookmark this page (Ctrl+D or Cmd+D) for quick access.
- Review quarterly as client mix changes
- Update when winning or losing major clients
- Use to set client acquisition priorities
- Share with partners during strategy discussions
Understanding Basics:
Client concentration risk increases when a single client represents more than 25% of revenue. Above 40% is considered high risk because losing that client could threaten business viability.
Benefits for SMEs:
- Understand your true risk exposure
- Prioritise client diversification efforts
- Plan for worst-case scenarios
- Make informed decisions about large client opportunities
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