Retention, churn & expansion · Core
Upsell
Also called: upgrade sale
ELI5
Selling a higher-priced, larger or more capable version to an existing customer.
Used in conversation
“Keep upsell on the dashboard, but show the definition and reporting period beside it.”
Pitch context
You will see “Upsell” in go-to-market plans, sales forecasts, account reviews and commercial proposals when the discussion reaches retention, churn & expansion.
Why it matters: It helps a reader interpret retention, churn & expansion without confusing the measure, decision, role or evidence being discussed.
Sources & evidence · 2
Supporting source families. This entry is an editorial synthesis rather than a quotation from one canonical glossary.
- U.S. Small Business Administration — Write your business planSupporting source family · primary · checked 2026-08-16
- IFRS Foundation — IFRS GlossarySupporting source family · primary · checked 2026-08-16