Financial Glossary
Net Revenue Retention (NRR)
Net Revenue Retention (NRR) measures the percentage of recurring revenue retained from an existing customer cohort over a period, after accounting for expansions, contractions, and churn. An NRR above 100% means the cohort grew its spend even after losses, driven by upsells and cross-sells. NRR is one of the most closely watched metrics by SaaS investors and board members because it reveals whether growth is self-sustaining or dependent entirely on new customer acquisition.
Problem & Application
Many early-stage SaaS founders focus almost entirely on new bookings and miss a deteriorating NRR until it shows up as a revenue plateau. A company growing new logos at a healthy pace can still stall if existing customers downgrade or churn at the same rate. Tracking NRR by cohort -- month-of-first-contract, customer segment, or acquisition channel -- reveals which segments expand naturally and which are at risk. That segmentation drives decisions about pricing structure, contract length, and where to concentrate customer success investment for maximum financial impact.
In Short
NRR is arguably the single number that best predicts whether a SaaS business will compound efficiently. Founders who instrument it early give themselves and their investors a reliable leading indicator of long-term unit economics.