What is
NRR
?
Net Revenue Retention (NRR) measures the percentage of recurring revenue retained from an existing customer base over a set period, including the impact of upgrades, downgrades, and cancellations. It is arguably the most critical metric for SaaS companies because it proves the product's ability to grow 'from within' without relying on new sales. An NRR above 100% means that expansion revenue from current customers is outpacing the revenue lost to churn—a state often called 'Negative Churn.' High NRR is a massive valuation driver because it signals a product that is deeply embedded in the customer's workflow. To improve NRR, businesses focus on 'Customer Success' strategies that drive feature adoption and account expansion. Investors love NRR because it creates a compounding growth effect; even if you stopped acquiring new customers today, a company with 120% NRR would still grow by 20% every year.
Frequently asked questions.
Why can NRR exceed 100%?
NRR exceeds 100% when expansion revenue from existing customers is greater than the revenue lost from churn and downgrades.
How is NRR different from Gross Retention?
Gross Retention only looks at how much revenue you kept (capped at 100%), while NRR includes the 'growth' from upsells.
Does NRR include revenue from new customers?
No, NRR strictly measures the revenue performance of a specific cohort of existing customers over a period.
What is a 'world-class' NRR for Enterprise SaaS?
Top-tier companies like Snowflake or Datadog often report NRR between 120% and 150%.
How does 'Contraction' impact my NRR score?
Contraction (downgrades) lowers NRR, signaling that customers are finding less value or reducing their usage of your product.

