All business decision tools

What if your largest customer leaves?

Model lost contribution, avoidable account costs and the revenue needed to replace the gap.

Example scenario

Editable demonstration inputs, not verified industry benchmarks. Enable JavaScript to calculate your own scenario.

Annual company revenue
$10,000,000
Largest customer revenue share
25 %
Customer contribution margin
35 %
Additional fixed account costs avoidable
$100,000
Replacement revenue contribution margin
40 %
Annual operating-profit exposure$775,000

Example result only, not a forecast or promise.

Revenue at risk
$2,500,000
Replacement revenue required
$1,937,500
Avoidable fixed account costs
$100,000

What to do with this result

Check concentration at gross profit and receivables level, then build an account-retention and diversification plan.

Know what is inside the model.

Planning model, not personalized financial advice. Your inputs remain in your browser.

Calculation method

Profit hit = revenue × customer share × customer contribution margin − avoidable fixed account costs. Replacement revenue = profit hit / replacement margin.

Assumptions and limitations

  • Example inputs are editable scenarios, not Aryo results or independently verified industry benchmarks.
  • Use matched cohorts and fully loaded costs. Attribution is an assumption, not evidence of incremental lift.

Turn the number into a decision.

Explore the relevant service

Explore all 200 business decision tools