The 2021 Indigo C-Level Salary Guide provides comprehensive data on compensation packages for top managers in the IT sector, highlighting various factors such as market competition, education, and experience that influence salary levels. Key findings indicate that satisfaction among top managers is highest when salaries are at or above the median of $5,600 and that industries like consulting and fintech offer the highest remuneration. The guide emphasizes the importance of structured salary planning and the role of bonuses in employee motivation.