Guides
Guides for founders who want a moat
How defensibility works, how incumbents copy startups, and how to test an idea before you build it.
- What Is a Moat in Business? A Startup Founder's GuideWhat a business moat is, the kinds that matter for startups, and how to test yours.
- Types of moatsThe 10 moats a startup can build, each with examples and how it is scored.
- Does my startup idea already exist? How to check, and what to do if it doesHow to know if your business idea already exists: a 30-minute search method, where to look beyond Google, and why finding competitors is usually good news.
- Economic moat vs startup moat: what investors mean, and what founders needWhat an economic moat is, how Buffett and Morningstar use it in moat investing, real economic moat examples, and how a startup moat differs.
- How to make a startup defensible (and build a moat around your business)What makes a business defensible, what defensibility means for a startup, and a practical plan for building a moat before a funded competitor copies you.
- How to validate a startup idea: a 7-step process that includes defensibilityHow to validate a startup idea in 7 steps, from customer problem to willingness to pay, plus the defensibility check most guides skip and how to use AI.
- 7 Powers vs moats: how Hamilton Helmer's framework maps to startup moat testsHamilton Helmer's 7 Powers framework explained, and an honest map of how each power lines up with Moat Check's 10 startup moat tests, including the gaps.
- What happens if a big company copies your startup?What to do if someone copies your business idea: real cases from Snapchat, Slack, Zoom and Tile, why legal protection rarely helps, and defenses that work.
Who will copy your startup?
Real competitors, the likely copycat and a moat score. Free, about a minute.