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Phase 03 · Strategy & Business Model
Porter's Five Forces
Analyse the competitive intensity and attractiveness of an industry
Michael Porter, Harvard Business School · 1979

Porter's Five Forces analyses the structural forces that determine competitive intensity and profitability: competitive rivalry, supplier power, buyer power, threat of substitution, and threat of new entrants.


Market entry decisions, strategic positioning, and understanding structural forces that will constrain margins and growth.


  1. COMPETITIVE RIVALRY: How intense is competition between existing players?
  2. SUPPLIER POWER: How much leverage do your suppliers have?
  3. BUYER POWER: How much leverage do your customers have?
  4. THREAT OF SUBSTITUTION: Can customers achieve the same goal a different way?
  5. THREAT OF NEW ENTRANTS: How easy is it for new competitors to enter?
  6. Rate each force High / Medium / Low — low forces = attractive industry

🎵 Spotify

Rivalry: High — Apple Music, YouTube Music, Amazon compete directly. Supplier power: Very high — three major labels control most popular catalogue. Buyer power: Low — individual consumers have minimal leverage. Substitution: Medium — YouTube and piracy remain alternatives. New entrants: Medium — catalogue licensing creates real barriers. Net: attractive but label power is existential risk.

📊 Trade Surveillance

Please contact the author for more information on these examples at linkedin.com/in/kshitijrege



Michael Porter, Harvard Business School 1979


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