Upsell Contracted Annual Recurring Revenue

What it measures

The sum of the annualized revenue increase across contracts that were signed but not yet activated, then upgraded before their start date. Counts plan-tier upgrades, premium add-ons, and seat or usage increases — but only the upward revenue delta, and only for customers still under contract. Amendments with no revenue change, and downgrades, are excluded.

Why it matters

Upsell CARR shows how well sales and customer success grow signed deals during the implementation window — the period between contract and go-live, which is prime for scope expansion. Unlike Upsell ARR, which measures expansion of already-active customers, this is a pre-activation signal. Leadership watches it because it lifts the forward CARR forecast: sign $1M of CARR and upsell 5% before activation, and you start at $1.05M, not $1M. Weak Upsell CARR alongside rising Downsell CARR suggests deals are being scoped too aggressively and corrected before delivery.

How to read it

Read Upsell CARR as the upside flow in your CARR forecast, never as a single snapshot — track it relative to New CARR signings over time. Always read it next to Downsell CARR: the net tells you whether your signed pipeline is expanding or shrinking before activation. If Upsell CARR is strong but ARR-stage upsells are weak, your expansion opportunity is concentrated in the sales and onboarding window, not in ongoing product usage. Segment by customer size, sales rep, region, and implementation partner to see where pre-activation expansion actually happens, and watch for seasonality from clustered deal-close and activation timing.

What good looks like

Watch-outs

• Conflating Upsell CARR with Upsell ARR. Upsell CARR is the revenue increase from *signed* contracts before they activate; Upsell ARR is the increase from *active* customers after activation. A customer can upsell CARR once before go-live and then separately upsell ARR after they're live.
• Forgetting Upsell CARR is pre-activation only. Once a contract goes live, later upgrades flow to Upsell ARR, not Upsell CARR. These are distinct waterfall components — Upsell CARR feeds CARR, Upsell ARR feeds ARR — and double-booking one as both inflates expansion.
• Counting amendments as upsells. A customer who shifts their start date, adds an integration, or tweaks terms without raising the recurring rate is an amendment, not an upsell. Only net annualized revenue increases before activation count.
• Not annualizing multi-term expansions. A 3-year, $36K add-on contributes $12K of annualized expansion ($36K ÷ 3), not $36K. Always derive the monthly recurring rate first, then annualize, or you will overstate the upside flow.

Worked example