Entrepreneur · Free Interactive Tool
Customer Concentration Risk
How exposed are you if one client leaves?
Your Numbers
The Result
The Operator's Read
20% is a healthy spread. No single customer can sink you.
Built by The Crimson Bench · Educational tool, not financial advice
About the Customer Concentration Risk
Enter your largest customer’s revenue and total revenue to measure concentration risk.
How the Customer Concentration Risk Works
2 inputs in, 1 results out — computed live on your device. Here's exactly what it uses.
| Input | Example value |
|---|---|
| Largest customer revenue | $200,000 |
| Total revenue | $1,000,000 |
Worked Example
Using the example inputs above, the tool returns:
Top-customer share
20.0%
The Operator's Read
20% is a healthy spread. No single customer can sink you.
Assumptions & Limitations
- •This is a single-point calculator — it answers one question at a time. For a full time-based projection, use the matching Toolkit Pro simulator.
- •Defaults are illustrative. Replace them with your real numbers before relying on the result.
- •Educational tool only — not financial, investment, tax, or legal advice.
Frequently Asked Questions
What does the Customer Concentration Risk calculate?
Enter your largest customer’s revenue and total revenue to measure concentration risk. It takes 2 inputs — Largest customer revenue, Total revenue — and returns Top-customer share.
How do I use the Customer Concentration Risk?
Enter your figures in the fields above and the result updates instantly. No signup, no limits, and nothing leaves your browser — the math runs on your device.
Is the Customer Concentration Risk free?
Yes, completely free. For the full time-based simulation — projection tables, scenarios, Excel/PDF export, and AI analysis — see the matching Toolkit Pro simulator.
Who built this tool?
The Crimson Bench's Ivy League-educated operators — the same people we deploy into C-suites. It uses the exact method they'd apply in an engagement.
Is this financial advice?
No. The Customer Concentration Risk is an educational tool for directional planning — not financial, investment, tax, or legal advice.
Related Entrepreneur Tools
More free calculators in the same category.
Break-Even Timeline Calculator
The month you finally stop losing money.
Startup Exit Payout Calculator
What your equity is really worth at exit — after dilution.
Profit First Allocator
Split revenue into profit, pay, tax, and opex — on purpose.
Runway Extender
See how cuts and revenue buy you more months.
MVP Payback Calculator
How long until your build pays for itself.
Seed Round Sizing Calculator
How much to raise — enough for milestones, not vanity.
The Crimson Bench · Est. 2002 · Founded in New York City
Need more than a calculator?
Verified corporate accounts only. Ivy League-educated. Flat-rate pricing. 14-day no-cause cancellation.
25,000+ Ivy League Executives · 150,000+ Global Consultants · 48-Hour Deployment