ai saas valuation

Net Revenue Retention (NRR): The SaaS Metric Buyers Pay For

October 5, 2026

By Phillip Mitchell, Founder & Chief Brokerage Officer, AIExchange.club

Benchmarks are as of October 2026, from the sources linked below. The sale-price example is illustrative, not deal data.

Every guide to net revenue retention says a good number is above 100%. For most small SaaS businesses, that benchmark is wrong. It comes from surveys of companies with $1M+ in ARR and large contracts. In billing data that includes smaller and cheaper products, the median B2B SaaS business keeps 82% of its revenue from existing customers each year, and the median AI-native product keeps 48%.

This guide covers what NRR is, how to calculate it (with a calculator), how it differs from gross revenue retention, which benchmarks actually apply to you, and what NRR does to the price a buyer will pay. For the wider picture, see how SaaS businesses are valued.

What is net revenue retention (NRR)?

In SaaS, NRR means net revenue retention: the share of recurring revenue you keep from your existing customers over a period, usually 12 months, after cancellations, downgrades and upgrades. It answers one question: if you stopped signing new customers today, would revenue grow or shrink?

  • Above 100%: upgrades from existing customers more than cover what you lose. Revenue grows with no new sales.
  • At 100%: gains and losses cancel out.
  • Below 100%: you have to sign new customers just to stay flat.

Net dollar retention (NDR) is the same metric under a different name.

How to calculate NRR

NRR = (starting MRR + expansion − contraction − churn) ÷ starting MRR × 100

  1. Pick a start date, usually 12 months ago.
  2. Take the MRR from customers who were paying on that date. That's your starting MRR.
  3. Find what those same customers pay today. Upgrades count as expansion, downgrades as contraction, cancellations as churn.
  4. Divide today's MRR from that group by the starting MRR.
Existing customers on Jan 1MRR
Starting MRR$30,000
Churn (customers who cancelled)−$4,500
Contraction (downgrades)−$900
Expansion (upgrades, seats, add-ons)+$2,700
Same customers, 12 months later$27,300
NRR91%

Does NRR include new customers? No. Say this business also signed $6,000 of new MRR during the year. Add it in and the result jumps to 111%, which looks like strong expansion but is really new sales. That's the most common NRR mistake, and buyers check for it.

NRR calculator

Enter your starting MRR and the changes from those same customers. The calculator gives your NRR and GRR and shows where they sit against the benchmarks below.

Free calculator

NRR calculator

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Only count customers who were paying at the start. Leave out new customers.

Enter your starting MRR to see your NRR and GRR.

See what your business is worth →

Monthly vs annual NRR: the trap in most listings

Many small SaaS owners track NRR month to month, and a monthly number looks much better than an annual one. Monthly retention compounds, so you multiply it by itself 12 times rather than reading it as an annual figure.

Monthly NRREquivalent annual NRR
99.5%94.2%
99%88.6%
98%78.5%
97%69.4%

A listing that says "99% NRR" without a period is ambiguous, and buyers will assume the worst. Quote the trailing 12-month figure, and say so.

NRR vs GRR (gross revenue retention)

Gross revenue retention uses the same starting MRR but ignores upgrades:

GRR = (starting MRR − contraction − churn) ÷ starting MRR × 100

In the example above, GRR is ($30,000 − $900 − $4,500) ÷ $30,000 = 82%. GRR can never go above 100%, so it shows how leaky the business is before upgrades cover the gap.

MetricWhat it measuresCounts upgrades?Can pass 100%?What a buyer reads from it
NRRRevenue kept from existing customersYesYesWhether the customer base grows on its own
GRRRevenue kept before upgradesNoNoHow much revenue leaks out each year
Customer churnShare of customers who cancelNoNoHow long a typical customer stays

Track both. A business with 105% NRR and 70% GRR depends on a few customers upgrading heavily to cover a lot of cancellations. Lose one of those accounts and the picture changes fast.

In practice, most buyers of small SaaS businesses ask for churn and MRR, not NRR. A seller who also shows NRR and GRR, calculated correctly, answers questions the buyer would otherwise ask later.

What is a good net revenue retention rate?

It depends which data set you compare against, and the two biggest ones disagree.

Data setWho's in itMedian NRRMedian GRR
SaaS Capital 2025 survey, all1,000+ private B2B SaaS companies with $1M+ ARR101%91%
SaaS Capital 2025 survey, bootstrappedCompanies with no outside equity104%92%
ChartMogul billing data, B2B SaaSCompanies with $250k+ ARR82%Not reported
ChartMogul, B2C SaaSConsumer subscriptions49%Not reported
ChartMogul, AI-nativeAI-first products48%40%

The gap comes from who's counted. SaaS Capital surveys companies above $1M ARR, which leaves out the smallest businesses and skews toward larger contracts. ChartMogul's numbers come straight from billing systems across roughly 3,500 companies, including smaller and cheaper products.

For a business under $3M ARR, the ChartMogul figures are the fairer comparison. Around 82% is typical for B2B SaaS, and the upper quartile starts at 97%. Above 100% is uncommon at this size, and buyers notice it.

Benchmarks by price point

Price shapes NRR more than almost anything else. Cheap products churn more and have less room to upsell.

  • Only 2.7% of businesses charging under $10 a month per account had NRR above 100%, against 41.1% of those charging over $500 a month, in ChartMogul's 2023 retention report.
  • In SaaS Capital's survey, median NRR was 98% for contracts under $12k a year and 106% for contracts over $250k.

Compare yourself with businesses at your price point, not with the market as a whole.

NRR for AI SaaS

AI-native products retain far less than traditional SaaS: median NRR of 48% and GRR of 40%, in ChartMogul's December 2025 data. Price makes the biggest difference:

AI product priceMedian NRR
Over $250/month85%
$50–$249/month61%
Under $50/month32%

The trend is improving. Median GRR for AI products rose from 27% in January 2025 to 40% in September as casual users left and committed ones stayed. If your AI product retains better than these numbers, show it with a cohort chart. Buyers expect AI products to churn badly, so a strong retention curve stands out.

How NRR changes your sale price: a $400k ARR example

Here are two SaaS businesses, both at $400k ARR today and both adding $120k of new ARR a year. The only difference is retention.

ARRBusiness A, 75% NRRBusiness B, 100% NRR
Today$400k$400k
Year 1$420k$520k
Year 2$435k$640k
Year 3~$446k$760k

Business A has to replace a quarter of its revenue every year just to stand still, so its growth stalls. Business B keeps everything it sells and grows by the full amount. SaaS Capital sees the same pattern at larger scale: companies with NRR above 130% grow at a median 50% a year, double the overall median of 24%.

A buyer prices that difference in. Businesses in the $250k–$600k ARR band typically sell for 2.5x to 3.8x SDE, based on our read of marketplace activity (see the multiple ranges by ARR band). If both businesses produce $200k of SDE, A might sell near the bottom of that range, at around 2.8x or $560k, and B near the top, at around 3.6x or $720k. That's a $160k difference for two businesses with the same revenue today.

How buyers check your NRR in due diligence

Buyers rarely take an NRR figure at face value. Expect them to:

  • Work from the billing data. They'll ask for a raw subscription export from Stripe or your billing system, not a spreadsheet you built.
  • Rebuild the MRR bridge. Starting MRR plus new, expansion, contraction and churn should equal ending MRR every month. Gaps get questions.
  • Look at cohorts. A table of MRR by signup month shows whether recent customers retain as well as older ones.
  • Strip out non-recurring items. Setup fees, one-off services, refunds, and annual plans that weren't spread across 12 months all distort the figure.
  • Check concentration. If one customer's upgrade drives most of your expansion, the buyer will discount it.

Have the MRR bridge and a cohort table ready before you list. If a buyer thinks retention might slip after the sale, they may ask to tie part of the price to it. An earnout tied to revenue targets is the usual way, so know your trailing numbers before that conversation.

How to improve NRR before you sell

Changes need 6 to 12 months to show up in a trailing NRR figure, so start well before you list.

  1. Fix failed payments. Expired and declined cards cause churn that customers never chose. Turn on retry logic, card updating and reminder emails in your billing system.
  2. Push annual plans. Customers on annual plans have fewer chances to cancel.
  3. Build an upgrade path. Usage tiers, extra seats and paid add-ons create expansion. A product with one flat price can't get NRR above 100%.
  4. Talk to customers who cancel. A short exit survey usually shows one or two fixable reasons.
  5. Be careful with price increases. Raising prices on existing customers lifts expansion revenue, but it can also push up churn. Track GRR alongside it.

For the rest of the preparation, see how to sell a SaaS business.

NRR FAQs

Does NRR include new customers?

No. NRR only counts revenue from customers who were already paying at the start of the period. Revenue from customers signed during the period is new sales, and including it overstates NRR.

Is net dollar retention the same as net revenue retention?

Yes. Net dollar retention (NDR) and net revenue retention (NRR) are two names for the same metric, calculated the same way.

Can NRR be over 100%?

Yes. NRR passes 100% when upgrades, extra seats and add-ons from existing customers bring in more than cancellations and downgrades take away. Gross revenue retention can't pass 100%, because it ignores upgrades.

What's the difference between NRR and customer retention rate?

Customer retention rate counts customers kept. NRR counts revenue kept. A business can keep 90% of its customers and still have low NRR if the customers who leave are the ones paying the most.

How often should you calculate NRR?

Track it monthly, but report it as a trailing 12-month figure. A single monthly number swings a lot and looks better than it is, because monthly retention compounds over the year.

What NRR do buyers expect for a small SaaS business?

For B2B SaaS, around 82% is the median in billing data, and 97% or more puts you in the top quarter. Many buyers of small SaaS businesses focus on churn and MRR, so showing a well-documented NRR and GRR can help a strong business stand out.

Next step: see what your numbers are worth

Retention is one of the biggest inputs to your multiple. Get a value range in a couple of minutes with the estimator below. It adjusts for churn, growth and the other factors buyers price.

Free estimator

What's your SaaS worth?

= $120,000 ARR

45% of revenue is typical

Estimated value
$205,800 - $261,900
Midpoint $233,900 · implied 1.95x ARR
SDE multiple
3.2x
Show the math
Base multiple · $120,000 ARR3.20x
Revenue growth, last 6 months · 1-3% / month0.00
Monthly customer churn · 2-4%0.00
Your hours per week · 5-150.00
Customer acquisition · Mixed0.00
Largest customer, % of revenue · 10-25%0.00
Business age · 1-3 years0.00
Adjusted SDE multiple3.20x
$73,080 SDE × 3.20x$233,856

An estimate, not an appraisal. It can't see your code, your contracts, or your competitive position. Treat it as a starting range.

Get a full valuation →

For a fuller number, use our free SaaS valuation tool. If you're getting ready to sell and want a second opinion on how your retention will read to buyers, talk it through with us.

Phillip Mitchell
Written by
Phillip Mitchell
Co-founder, AI Exchange Club

Helping AI-Powered SaaS founders exit.

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