• Omnicom Group average return on investment for 2023 was 15.1, a 5.67% increase from 2022.
• Omnicom Group average return on investment for 2022 was 14.29, a 2.81% increase from 2021.
• Omnicom Group average return on investment for 2021 was 13.9, a 7.59% increase from 2020.

Roi - return on investment can be defined as an indicator of how profitable a company is relative to its assets invested by shareholders and long-term bond holders. Calculated by dividing a company's operating earnings by its long-term debt and shareholders equity.