Company Builder provides a framework to move quickly from an idea to a profitable company in 3 stages: 1) Validate the idea by conducting market research and prototyping, 2) Build the business by recruiting a team, establishing legal and financial structures, and launching the product or service, and 3) Grow the business through focused marketing, sales, and continuous improvement. The document outlines key activities for each stage and critical business functions like accounting, marketing, sales, IT, and facilities that need to be established for a successful planning and execution.