Chasing new MRR feels like progress while the bucket leaks underneath. Net revenue retention — what existing customers are worth over time, including expansion and churn — is the number that reveals whether the business compounds.

Why NRR wins

  • It exposes the leak. You can add MRR every month and still shrink if churn and contraction outrun it. NRR makes that visible.
  • Above 100% means free growth. When existing customers expand faster than others leave, you grow even with zero new logos.
  • It reframes the roadmap. High NRR comes from value delivered and expansion designed in — it pushes you to retain and grow, not just acquire.
  • Investors price on it. NRR is among the strongest predictors of durable SaaS value.

Bottom line: stop celebrating new MRR in isolation — net revenue retention tells you whether you're building a compounding business or a leaky one.