• Paychex average pre-tax profit margin for 2023 was 41.01%, a 3.53% increase from 2022.
• Paychex average pre-tax profit margin for 2022 was 39.61%, a 7.4% increase from 2021.
• Paychex average pre-tax profit margin for 2021 was 36.88%, a 5.22% increase from 2020.

Pre-tax profit margin can be defined as earnings before taxes as a portion of total revenue.