Venture Capital
Day-30 Retention and NRR: The Two Numbers That Prove Product-Market Fit to Seed Investors
For B2B SaaS founders raising a seed round, Day-30 retention above 35% and Net Revenue Retention (NRR) between 100-120% are critical metrics that signal product-market fit to investors. These numbers demonstrate sustained user value and customer base growth, outweighing vanity metrics.
Marco Giuliani·October 24, 2026
