Grow & market

What are the 'four fits' I need before growth compounds?

The short answer

Brian Balfour's model: market-product, product-channel, channel-model, and model-market fit all have to line up. Growth feels effortless when they align and impossible when they don't, no matter how hard you push tactics. Nail the fits before you optimize campaigns.

Go deeper, your way

2 hand-picked resources, 2 link-checked. Pick how you want to dig in.

📄 Article
✓ Link checked Free Advanced

Why we picked it The most influential framework for why growth feels effortless for some companies and impossible for others; essential reading before optimizing any tactic.

Four Fits for $100M+ Growth

From brianbalfour.com by Brian Balfour Multi-part essay series

  • You need market-product, product-channel, channel-model and model-market fit to align.
  • Channels won't adapt to your product; your product must fit the channel.
  • The fits form one ecosystem, so a weakness in any one caps your growth.
Open brianbalfour.com
📄 Article
✓ Link checked Freemium Intermediate

Why we picked it Based on studying 100+ consumer companies, Lenny shows that lasting growth comes from becoming world-class at one growth engine, viral, SEO, or paid, rather than dabbling in all three.

The Growth Engine: Kickstarting & Scaling a Consumer Business (Step 6)

From Lenny's Newsletter by Lenny Rachitsky ~20 min read

  • Most successful startups run on a single dominant growth engine.
  • The three engines are viral/word-of-mouth, content/SEO, and paid.
  • Pick one and become world-class before layering on a second.
Open lennysnewsletter.com

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