Cost-to-serve: why strong NRR can still destroy margin at renewal

Cost-to-serve: why strong NRR can still destroy margin at renewal

by | Jul 21, 2026 | AI and Finance, Blog Post, Business Model, Office of the CFO, Revenue Architecture, Revenue Lifecycle Management, salesforce alternative, Thought Leadership

Quick answer. Net revenue retention can rise while gross profit falls, because NRR measures retained and expanded revenue, not the cost of delivering it. When a contract grows on a price never tied to current cost-to-serve, usage scales revenue and margin erosion...