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Most businesses rank customers by revenue because that is the number to hand. Ranked by profit, the order frequently changes — and the largest accounts often sit near the bottom.
Short answer: Calculate profit per customer by subtracting direct delivery costs, support time, discounts and slow-payment costs from revenue. Large accounts often consume the most resources yet rank lowest once those costs appear, so the profit order usually differs from the revenue order and shows which accounts to re-price or move to a lower tier at renewal. Estimates suffice because only the ranking matters.
Large customers negotiate the hardest discounts, consume the most support, demand the most customisation and pay the slowest. Each is a real cost, and none appears in the revenue figure.
Allocating delivery time, service load and discount to each customer usually reveals a spread far wider than anyone expected.
Rarely to fire anyone immediately. Usually to re-price at renewal, reduce what unprofitable accounts receive, or move them to a lower-touch tier — and to notice what the profitable ones have in common so you can find more like them.
That last part is the real prize. Knowing your best customer profile changes who you target, which changes everything downstream.
This question routes to Customer Value Architecture — one of 29 engagements the platform runs. It does not produce advice in general; it produces this analysis for your business:
✓ Segments customers by value and by what they actually need
✓ Finds which segments are worth serving and which are not
✓ Designs what to promise each one
✓ Tests where the current offer serves nobody particularly well
✓ Quantifies the revenue effect of refocusing
✓ Sequences the change so revenue does not dip through it
You watch the analysis get built before you pay anything. Read a complete report here if you would rather see the depth first.
Take revenue per customer and subtract direct delivery cost, support time, discounts and the cost of slow payment. Estimates are fine — the ranking is what matters, not the precision.
Address it at renewal rather than immediately: re-price, narrow scope, or reduce service level. Concentration risk is real, so an abrupt exit can be worse than the losses — but continuing to subsidise it indefinitely is not a plan.
It varies, but finding a fifth of the base at or below break-even is common. Because the profitable majority funds them, the loss is invisible in the overall numbers.
Describe the situation in your own words and we will tell you which analysis answers it — before you sign up for anything.
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