Watch concentration

Supplier concentration calculator

See what share of spend sits with your top supplier.

Calculator

Live result

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Enter values to see results update live.

Next in the loop

Keep going

Download a free Excel template to log unit-cost changes until invoice history does it for you.

Supplier scorecard system

Vendor risk in one number
Concentration above 40–60% deserves a backup plan.
Negotiation leverage
Knowing your share of their revenue changes the conversation.
Sets up the record stage
Track price moves per vendor so concentration decisions use fresh data.

Why does concentration matter?

High concentration increases risk when one vendor raises prices or misses deliveries.

What is a safe concentration level?

There is no universal rule. Above 60% is high risk; 40–60% is worth watching.

Does CostBeacon show this?

Yes. CostBeacon surfaces supplier spend share from uploaded invoices.

Sources & citations

Formulas follow standard cost-accounting definitions. CostBeacon defaults are documented in product help and technical guides.

Formula reference

concentration = top supplier spend ÷ total spend

CostBeacon

Upload supplier PDFs and get line-item unit costs, price alerts, and margin insights — without spreadsheets.