• Omnicom Group average gross margin for 2023 was 19.38%, a 1.27% decline from 2022.
• Omnicom Group average gross margin for 2022 was 19.63%, a 1.34% decline from 2021.
• Omnicom Group average gross margin for 2021 was 19.37%, a 6.02% increase from 2020.

Gross margin can be defined as a company's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as a percentage.