Article · About a 15 minute read

Adjacency Matrix: How to expand after PMF

Jason Cohen · A Smart Bear Free Intermediate

This is the clearest piece we found on the actual question: when a tight ICP has become too tight and you are leaving real customers out. Jason Cohen (founder of WP Engine) gives you concrete conditions for when you have earned the right to broaden, plus a matrix for judging which adjacent customers are close enough to serve without breaking your product. It treats over-narrowing as a real risk, not just a virtue, which is the honest framing.

  • You have likely earned the right to broaden once you have won roughly 5% or more of your defined segment, growth in your current channel is bottlenecked, or you have the profit to fund a second motion.
  • Score each candidate adjacent segment against six areas (marketing, sales, service, product, engineering, business model): if more than one needs a full overhaul, it is not really adjacent and you are probably chasing the wrong customers.
  • Expanding a narrow ICP is far easier than refocusing a broad one, so the fix for over-narrowing is a deliberate next segment, not blowing your definition wide open.

The question it answers

  1. How do I know if I've defined my ICP too narrowly and I'm leaving obvious customers out?

Read with it

  1. Moore's classic maps the market you are timing your entry into: innovators and early adopters buy for very different reasons... Goodreads Book · ~250 pages Crossing the Chasm: Marketing and Selling High-Tech Products to Mainstream Customers Geoffrey A. Moore
  2. Pete Kazanjy is blunt about defining a tight ICP from real signal (who actually buys and closes) rather than from who you wish... Lenny's Podcast Podcast · About 90 minutes Founder-led sales | Pete Kazanjy (Founding Sales, Atrium) Lenny Rachitsky (host), with Pete Kazanjy
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