Cintas Corporation (CTAS)

Operating profit margin

		May 31, 2025	May 31, 2024	May 31, 2023	May 31, 2022	May 31, 2021
Operating income	US$ in thousands	2,359,730	2,068,630	1,802,660	1,587,370	1,385,490
Revenue	US$ in thousands	10,340,200	9,596,620	8,815,770	7,854,460	7,116,340
Operating profit margin		22.82%	21.56%	20.45%	20.21%	19.47%

May 31, 2025 calculation

Operating profit margin = Operating income ÷ Revenue
= $2,359,730K ÷ $10,340,200K
= 22.82%

The analysis of Cintas Corporation's operating profit margin over the specified period indicates a consistent upward trajectory in profitability. As of May 31, 2021, the operating profit margin was 19.47%, reflecting the percentage of operating income relative to total revenues. By May 31, 2022, this metric increased slightly to 20.21%, demonstrating modest improvement in operational efficiency or cost management. The margin continued its upward trend, reaching 20.45% on May 31, 2023, suggesting sustained operational stability and incremental gains in profitability.

Further advancements are observed beyond this period, with the margin rising to 21.56% on May 31, 2024. This improvement indicates a positive development in the company's ability to convert revenue into operating profit, potentially attributable to better cost control, pricing strategies, or operational efficiencies. The most recent data point, as of May 31, 2025, shows a margin of 22.82%, signifying a notable increase over the five-year span.

Overall, the consistent growth in Cintas Corporation's operating profit margin suggests effective management practices and a robust operational model, contributing to enhanced profitability margins over time. The trend underscores the company's capacity to improve its operational performance and maintain competitive advantages within its industry.