Net Revenue Retention (NRR) vs. Gross Revenue Retention (GRR)

Net Revenue Retention (NRR) is the percentage of recurring revenue retained from the existing customer base over a period, including expansion revenue from upsells and cross-sells, minus contraction and churn. Gross Revenue Retention (GRR) is the same calculation but excludes expansion entirely — it measures only the revenue you kept from the customers who stayed, with no credit for selling them more. NRR tells you if your existing book of business is growing. GRR tells you if your product is sticky enough to survive without a sales motion. A SaaS company with 110% NRR and 90% GRR is growing 10% annually from customers who already bought — no new logos required. A company with 110% NRR and 80% GRR is masking a leaky bucket with aggressive upselling.

NRR is calculated by taking the recurring revenue (ARR or MRR) from all customers who were active at the start of the period, then measuring what those same customers generate at the end of the period. The formula is: (Starting Revenue + Expansion − Contraction − Churned Revenue) ÷ Starting Revenue. GRR is the same formula with expansion set to zero: (Starting Revenue − Contraction − Churned Revenue) ÷ Starting Revenue. The difference between NRR and GRR is the expansion revenue your account managers and customer success teams generated. A 95% GRR means you lost 5% of your recurring base to churn and downgrades. A 115% NRR means you replaced that 5% loss and added 15% more on top of it. The gap between the two numbers is the entire value proposition of your land-and-expand strategy.

A SaaS company starts the year with $10M ARR from 200 customers. Over the year, existing customers add $2.5M in expansion, $500K in contraction, and $1M churns entirely. NRR = ($10M + $2.5M − $0.5M − $1M) ÷ $10M = 110%. GRR = ($10M − $0.5M − $1M) ÷ $10M = 85%. The company looks healthy on NRR — 110% is above the 100% threshold that signals net-negative churn. But GRR of 85% means 15% of the revenue base walked out the door. The expansion team covered the hole, but the product had a 15% leak. A competitor with 90% GRR and 105% NRR is in better long-term shape — their base is stickier, and their expansion is less desperate.

VP Sales and RevOps use NRR to evaluate the effectiveness of the land-and-expand motion and to forecast whether existing customers can carry growth targets without new logos. Finance uses GRR as the honest retention number for valuation models — investors discount GRR heavily because it reveals product-market fit without the sales team's help. Customer Success leaders track both monthly to spot cohorts where expansion is compensating for churn, which always ends badly when the expansion well runs dry. Recruiters use both numbers to benchmark whether a candidate's prior company had genuine retention or just aggressive cross-selling. IC account executives care because their commission checks on expansion depend on NRR mechanics, but their job security depends on GRR — a 110% NRR with 80% GRR means the company is one bad quarter of upsells away from a layoff.

The gaming patterns here are specific and brutal. Companies push multi-year prepaid deals into the expansion bucket, inflating NRR with cash that won't repeat. Sales reps pull forward expansion from Q4 into Q3 to hit accelerators, leaving the next quarter's NRR with a hole. Marketing tags renewal upsells as marketing-sourced pipeline to claim credit, which inflates the appearance of a healthy funnel when the expansion was going to happen anyway. The biggest misconception: NRR above 100% does not mean customers love you. It means your sales team is good at selling to people who already bought. GRR is the number that tells you if they'll still be there next year. Net Revenue Retention and Gross Revenue Retention are the same metric at different levels of honesty. Expansion MRR feeds NRR. Churn Rate feeds GRR. Logo Retention tells you how many customers stayed, which is different from how much revenue stayed. The gap between logo retention and GRR is your downgrade problem. The gap between GRR and NRR is your expansion engine.