Understanding MRR with Expansion + Churn
Net Revenue Retention (NRR) is one of the most powerful SaaS metrics. It shows how much revenue you keep (and grow) from existing customers after accounting for churn and expansion (upsells, seat adds, price increases).
Key Concepts
- Gross Churn: Revenue lost from downgrades + cancellations
- Expansion: Revenue gained from existing customers (upsells, add-ons)
- Net Retention Rate: (Ending MRR from existing customers) / Starting MRR
- NRR > 100%: Expansion > Churn → "Net Negative Churn" (holy grail)
- NRR < 100%: Churn > Expansion → revenue decay
Benchmarks (2026)
- Top-tier SaaS: NRR 110–130%+
- Healthy growth-stage: NRR 100–110%
- Warning zone: NRR 90–100%
- Danger zone: NRR < 90%
Strategic Insight
If your NRR is >110%, you can often afford higher CAC and still grow profitably. If NRR <100%, focus on retention and expansion before scaling acquisition spend.