What Is Net Revenue Retention (NRR)?

How to Tell If Your Customer Base Is Growing or Shrinking in Value

Net revenue retention (NRR) follows one group of existing customers over a period and compares what they pay at the end with what they paid at the start, counting upgrades, downgrades, and cancellations along the way. Customers won during the period are left out. Above 100%, the existing base grew on its own. There's no single standard for which customers, window, or starting figure to use, so NRR numbers from different companies are rarely directly comparable.

Why Investors and Boards Focus on NRR

NRR is the closest thing to a single number describing whether a business compounds. Once NRR passes the break-even point, an existing customer base grows without any new sales at all, which means growth doesn't depend entirely on the acquisition engine continuing to work.

It also speaks to efficiency. Revenue from an existing customer costs far less to win than revenue from a new one, so a company with high NRR can grow at the same rate on less sales and marketing spend. That's why it appears in nearly every diligence pack alongside the growth rate, and why a board will usually ask about it before asking about new logos.

What NRR Can Hide

NRR nets two forces against each other: expansion from customers who grow, and losses from customers who shrink or leave. A strong figure can come from a broad base that mostly stays and grows a little, or from a handful of fast-growing accounts carrying ordinary churn underneath them. A broad base holds up over time, but growth carried by a few large accounts lasts only as long as they keep expanding.

Gross revenue retention separates the two by leaving expansion out, so it can never go above 100%. Reading NRR next to gross retention shows whether growth comes from keeping customers or from upselling the ones who stay.

To calculate NRR for your own customers and compare it against published benchmarks, use the NRR Calculator.

Improve Your NRR

Reduce churn and grow existing customer revenue with SubJolt's retention tools.