What is Total Addressable Market (TAM)? A Guide for B2B Marketers

Jonhlegend11 Sep, 2025Business

Imagine building the perfect B2B product, only to realize a year later that your market was never big enough to sustain growth. Or worse, chasing leads across every possible industry without knowing whether those prospects could ever add meaningful revenue. That’s where Total Addressable Market (TAM) comes in.