• Secom average operating margin for 2023 was 12.85%, a 2.36% decline from 2022.
• Secom average operating margin for 2022 was 13.16%, a 0.98% decline from 2021.
• Secom average operating margin for 2021 was 13.29%, a 0.83% decline from 2020.

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.