Cintas Corporation (CTAS)

Pretax margin

May 31, 2025 May 31, 2024 May 31, 2023 May 31, 2022 May 31, 2021
Earnings before tax but after interest (EBT) US$ in thousands 2,264,200 1,973,640 1,693,150 1,498,770 1,287,750
Revenue US$ in thousands 10,340,200 9,596,620 8,815,770 7,854,460 7,116,340
Pretax margin 21.90% 20.57% 19.21% 19.08% 18.10%

May 31, 2025 calculation

Pretax margin = EBT ÷ Revenue
= $2,264,200K ÷ $10,340,200K
= 21.90%

The pretax margin of Cintas Corporation has demonstrated a consistent upward trajectory over the specified period from May 31, 2021, to May 31, 2025. Beginning at 18.10% in 2021, the margin increased to 19.08% in 2022, reflecting a modest improvement in profitability before accounting for taxes. In 2023, the pretax margin further expanded slightly to 19.21%, indicating a continued, though incremental, enhancement in operational efficiency or pricing strategies.

This positive trend accelerated notably in 2024, with the pretax margin reaching 20.57%, suggesting improved cost management, increased revenue streams, or both. The most significant rise occurred between 2024 and 2025, where the margin grew to 21.90%, representing a substantial margin expansion of approximately 1.33 percentage points in a single year.

Overall, the data indicates that Cintas Corporation has steadily enhanced its profitability margin before taxes over this four-year span. The consistent growth suggests effective operational performance, successful strategic initiatives, and possibly favorable market conditions. This trend bodes well for the company's future financial health, assuming the underlying factors driving margin expansion remain sustainable.