Cintas Corporation (CTAS)

Gross profit margin

		May 31, 2025	May 31, 2024	May 31, 2023	May 31, 2022	May 31, 2021
Gross profit	US$ in thousands	5,174,160	4,686,420	4,173,370	3,632,250	3,314,650
Revenue	US$ in thousands	10,340,200	9,596,620	8,815,770	7,854,460	7,116,340
Gross profit margin		50.04%	48.83%	47.34%	46.24%	46.58%

May 31, 2025 calculation

Gross profit margin = Gross profit ÷ Revenue
= $5,174,160K ÷ $10,340,200K
= 50.04%

The gross profit margin of Cintas Corporation over the period from May 31, 2021, to May 31, 2024, demonstrates a generally favorable trend characterized by incremental improvements. At the end of fiscal year 2021, the gross profit margin was reported at 46.58%, reflecting the company's ability to generate gross profit relative to its revenue. This margin experienced a slight decline in the subsequent year, decreasing to 46.24% by May 31, 2022, indicating a marginal compression in gross profitability.

However, from 2022 onward, Cintas showed a positive trajectory, with the gross profit margin rising to 47.34% by May 31, 2023. This upward movement suggests improvements in cost management, pricing strategies, or operational efficiencies that enhanced gross profitability relative to sales. The trend continued into 2024, where the gross profit margin further increased to 48.83%, implying ongoing enhancements in the company's cost structure or revenue realization.

It is noteworthy that the data for May 31, 2025, reflects a zero percent gross profit margin, which may indicate incomplete data, a reporting anomaly, or an extraordinary event affecting the company's financials. Without further context, this figure cannot be conclusively interpreted but signals a notable discontinuity in the trend observed over the prior years.

Overall, the analysis demonstrates that Cintas Corporation has maintained a robust and improving gross profit margin from 2021 through 2024, reflecting effective operational management and product profitability during this period.