Playbook
Expansion & Revenue per Client: Grow Net Revenue Retention
Introduction
Net revenue retention (NRR) is the single number that tells you whether your existing customer base is compounding or quietly rotting — and for a solo B2B founder, it is the closest thing to a compounding machine that does not require you to hire. The median B2B SaaS company sits near 108% NRR; companies above 120% trade at roughly 9.3x revenue multiples against 3.1x for those below 100%. That 63% valuation premium does not come from hustle or headcount. It comes from a system: expansion signals caught early, health-score agents running in the background, upsell triggers fired at the right moment, and win-back plays executed automatically. One founder with AI agents can run the full customer revenue motion that a ten-person CS team used to own. This hub lays out that entire system, the maths behind it, the benchmarks to hold yourself to, and every playbook you need to build it.