Article · 10 min read

Fintech Scales Vertical SaaS

Kristina Shen, Kimberly Tan, Seema Amble, Angela Strange · Andreessen Horowitz (a16z) Free Advanced

This is the second act in action: once you own a narrow vertical, adding payments and fintech can more than double your addressable market from the same customers. It shows how founders escape the growth ceiling of a small market without abandoning their niche. Useful once you have won the room and need a next chapter.

  • Adding fintech to a vertical can double the addressable market.
  • Your existing customers are the cheapest path to a bigger TAM.
  • A small first market can seed a much larger platform.
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The question it answers

  1. My total market looks small, but each customer is worth a lot. Can a low-count, high-value market still work?

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