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What is a startup moat? How to measure and build yours

A startup moat is what makes your business hard to copy. Learn the main types, what investors look for, and score your own moat in 3 minutes.

Alex Montoro2 min read

What is a startup moat? How to measure and build yours, with the free Moat Score.

A startup moat is whatever makes your business hard to copy. Warren Buffett used the word for companies whose advantage protects them the way a moat protects a castle. For a startup it answers one question: if a well-funded competitor copied your product tomorrow, why would your customers stay?

Investors ask it in almost every pitch, often without using the word. "What stops Google from doing this?" is a moat question.

Score your moat in 3 minutes

The Moat Score reads your startup the way an investor would. Add your pitch deck or a short demo if you like, answer a few questions, and get scores for your team, market, founder-market fit, idea and traction, what to fix first, and who in the moat community can help.

Embed this calculator on your site <div data-moat-score></div><script src="https://foundersmoat.com/embed.js" async></script>

The main types of moat

Network effects. Each new user makes the product more valuable for everyone else. Marketplaces and social products are the classic examples. They're powerful, but only once you have enough users on both sides.

Distribution. You can reach customers more cheaply than anyone else: an audience, a community, a partnership or a channel you own. Early on this is often the only moat a startup has, and it's the one founders most often skip.

Brand and community. People choose you because of who you are and who else is there. It takes time to build, and it's very hard to copy.

Proprietary data. You learn something from your customers that nobody else can. Every customer makes the product better, so a newcomer starts behind.

Switching costs. Leaving you is painful: data to move, workflows to rebuild, teams to retrain. Common in B2B software.

Technology and IP. Something genuinely hard to build, or protected by patents. Rarer than founders think: most software can be rebuilt.

Early-stage startups don't need a finished moat

Most early startups don't have a real moat yet, and that's normal. Investors want to see two things instead:

  • A credible path to one of the moats above, and what you're doing now to get there.
  • Speed and focus, because at the start your moat is how fast you learn compared with everyone else.

What hurts a pitch is having no answer, or claiming "first-mover advantage" or "great execution" as the moat.

How to build your moat

  1. Pick the one moat that fits your business, not all six.
  2. Measure it. Retention, referral rate, share of users coming from channels you own, or data that improves the product.
  3. Invest early in distribution. It compounds, and it makes every other moat easier to build.
  4. Talk to people who've built one. Founders a few years ahead of you have made the mistakes already.

Take the Moat Score above to see which part of your moat needs work first.

FAQ

What is a startup moat?

A startup moat is a lasting advantage that makes your business hard to copy, such as network effects, distribution you own, a brand or community, proprietary data, switching costs or hard-to-build technology.

Do early-stage startups need a moat?

Not a finished one. Investors mainly want a credible path to a moat and evidence that you're building towards it, plus the speed and focus to get there before competitors do.

How do I measure my startup's moat?

Take the free Moat Score. It takes a few minutes, reads your pitch deck if you add one, and scores your team, market, founder-market fit, idea and traction against other early-stage founders (50 is typical), then shows what to fix first.

Is first-mover advantage a moat?

Usually not on its own. Being first only becomes a moat if it turns into something lasting, like network effects, a brand, data or switching costs.

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