Porter's Five Forces
Also called: Five Forces
ELI5
A tool for understanding how attractive and competitive an industry is.
Used in conversation
“Five Forces suggests buyer power is the biggest margin risk.”
Definition
A framework assessing industry pressure from rivalry, entrants, substitutes, buyers and suppliers.
Here “Porter's Five Forces” means: A framework assessing industry pressure from rivalry, entrants, substitutes, buyers and suppliers.
Pitch context
You will see “Porter's Five Forces” in strategy decks, market analyses, business plans and planning workshops when the discussion reaches strategy frameworks & analysis.
Why it matters: It helps a reader interpret strategy frameworks & analysis without confusing the measure, decision, role or evidence being discussed.
Sources & evidence · 5
Supporting source families. This entry is an editorial synthesis rather than a quotation from one canonical glossary.
- Strategyzer — Business Model Canvas resourcesSupporting source family · practitioner · checked 2026-08-16
- Strategyzer — Value Proposition Canvas resourcesSupporting source family · practitioner · checked 2026-08-16
- LEANSTACK — Lean CanvasSupporting source family · practitioner · checked 2026-08-16
- U.S. Department of Justice Antitrust Division — Herfindahl-Hirschman IndexSupporting source family · primary · checked 2026-08-16
- U.S. Census Bureau — Business and economy dataSupporting source family · primary · checked 2026-08-16