• Arthur J Gallagher average operating margin for 2024 was 16.86%, a 1.23% increase from 2023.
• Arthur J Gallagher average operating margin for 2023 was 17.07%, a 2.79% decline from 2022.
• Arthur J Gallagher average operating margin for 2022 was 17.56%, a 15.91% decline from 2021.

Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.