• Arthur J Gallagher average gross margin for 2023 was 43.83%, a 5.28% decline from 2022.
• Arthur J Gallagher average gross margin for 2022 was 41.63%, a 10.54% increase from 2021.
• Arthur J Gallagher average gross margin for 2021 was 37.66%, a 2.06% 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.