Definition
Revenue growth from existing customers via upgrades or add-ons.
Examples
Expansion revenue became the main growth driver.
Origin
Modern business/startup term; used as practical shorthand in product, growth, and investing.
Use it in Nautis
Track expansion revenue alongside everything else in your startup.
Nautis brings planning, fundraising, finance, and operations into one AI-native workspace — so concepts like expansion revenue stop being spreadsheet trivia and start showing up where decisions get made.