Margin is rebuilt bottom-up by product, customer, channel, site and job, with cost-to-serve allocated on what actually drives the cost — orders, deliveries, support hours, returns — rather than on revenue. This routinely reverses the ranking of the top ten customers, and that reversal is the single most useful piece of analysis we do.
Then pricing structure, discount discipline with authority set at amounts that reflect the margin at stake, and price testing where the elasticity is genuinely unknown. Unit economics tied back to the ledger so the model and the accounts agree.
Costing and pricing analysts for the bottom-up margin rebuild