What Is Net Revenue Retention (NRR)?
The metric that tells you if your business grows even without new customers.
Definition
Net Revenue Retention (NRR) measures how much revenue you retain from existing customers over a period, including expansions, contractions, and churn. An NRR above 100% means your existing customer base is growing in value.
NRR is considered the single best indicator of product-market fit in SaaS. If customers stay and spend more over time, your product is delivering real value.
How NRR Is Calculated
NRR = (Starting MRR + Expansion MRR − Contraction MRR − Churned MRR) ÷ Starting MRR × 100.
For example: if you start the month with $100K MRR, gain $15K in expansions, lose $3K to downgrades, and $5K to cancellations, NRR = ($100K + $15K − $3K − $5K) ÷ $100K = 107%.
Varsal computes NRR from your historical MRR data automatically.
Track this metric live in your dashboard →Why NRR Matters
NRR above 100% creates a compounding growth engine. Even if you stopped acquiring new customers entirely, your revenue would still grow from expansions outpacing churn.
Investors prize NRR because it indicates durable, capital-efficient growth. Companies with NRR above 120% are consistently valued at premium multiples because their existing customers are a growing revenue stream.
NRR Benchmarks
Best-in-class SaaS companies achieve 120–140% NRR. Snowflake, Twilio, and Datadog have all reported NRR above 130%. For SMB-focused SaaS, 100–110% is solid. Below 90% signals a retention problem.
NRR varies significantly by customer segment. Enterprise customers typically drive higher NRR through seat expansion and upsells, while SMB segments tend toward 95–105%.
How to Improve NRR
Focus on expansion revenue: usage-based pricing that grows with customer success, tiered plans with clear upgrade triggers, and add-on features that solve adjacent problems.
Simultaneously reduce contraction and churn. Product-led growth companies improve NRR by building features that naturally increase usage over time — more data, more users, more integrations.
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