This PDF is a condensed summary of Jim Collins' Good to Great that presents the book's central research question (can good companies become great?) and the answer: yes, via repeatable principles. It reports Collins' study of 1,435 firms over 40 years, identifies 11 companies that made a sustained leap (meeting specific stock-return criteria), and distills core mechanisms—Level 5 Leadership, First Who Then What, confronting brutal facts, the Hedgehog Concept (three circles), a culture of discipline, technology as an accelerator, and the Flywheel effect—that together explain the transitions. The summary also links Good to Great to Built to Last and notes methodological appendices and company-level practice lists.
Questions this document answers
1,435 companies.
40 years.
11 companies (Abbott; Circuit City; Fannie Mae; Gillette; Kimberly‑Clark; Kroger; Nucor; Philip Morris; Pitney Bowes; Walgreens; Wells Fargo).
At least 15 years of cumulative stock returns at or below the general market followed by at least 15 years with cumulative returns of at least 3× the general market.
About 4 years on average.