Is Cintas Stock Really Expensive?
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Cintas (CTAS) stock closed at its highest level of the past year on November 4, 2026. At that price, the company trades at a P/E of 42.2 on adjusted earnings over the last twelve months. This profit measure leaves out unusual items and adds back stock-based pay after tax. That is a steep price for one year of profit, but a buyer today is paying for the profit still to come. So are you overpaying for Cintas, or does the growth ahead cover the price?
Cintas Is Expensive On Expected Profit Too
The stock still looks expensive. Based on the consensus forecast, Cintas trades at 41.0 times its expected earnings for fiscal 2027 and 37.1 times the forecast for fiscal 2028. The fiscal 2027 EPS forecast of $5.55 sits at the top of management’s adjusted guide of $5.45 to $5.54, so it is likely on that basis, which does not add back stock-based pay. Without that add-back, the trailing P/E would be 44.3. Like the trailing P/E of 42.2, both represent a high price to pay for a dollar of profit. The two forward figures are real only if Cintas earns the profit the forecast expects.
What Cintas Has To Deliver For Those Prices
On sales, the consensus forecast looks within reach. The fiscal 2027 revenue estimate sits inside management’s own range of $12.15 billion to $12.27 billion, which the company raised on September 23, 2026. For fiscal 2028, the forecast has sales growing 7.5%, compared with 9.5% growth over the last twelve months.
On the fiscal Q1 2027 call, management said most of its growth comes from new customers, better retention and more cross-selling, not from price. During that quarter, Uniform Rental and Facility Services, the largest business, grew 8% before acquisitions, currency and workday effects.
Profit is where the forecast needs more. The consensus forecast assumes a net margin of 18.3% for fiscal 2027, above the 17.8% Cintas reported for fiscal 2026. It also has fiscal 2028 net income growing 10.5%, faster than sales. That wider margin is an assumption, not a result. Management expects wider margins in fiscal 2027 too: the company raised its adjusted earnings per share guide to $5.45 to $5.54 and expects operating margin to widen.
Where Cintas Could Fall Short Of The Forecast
Cintas is most likely to fall short on its net margin. The consensus forecast needs 18.8% in fiscal 2028, and Cintas has not reported a twelve-month net margin above 17.8% at any quarter end since fiscal 2017. The fiscal 2027 EPS forecast of $5.55 sits at the top of management’s adjusted guide of $5.45 to $5.54, so it is likely on that basis, which does not add back stock-based pay. Without that add-back, the trailing P/E would be 44.3. Management also said its Fire Protection Services business got help in the latest quarter from an extra workday and a very favorable revenue mix. Management said that mix may move in future quarters. Cintas is also hiring technicians and opening locations in new cities for that business, which management said can make its margin slip a little. If that business’s margin slips, Cintas has further to go to reach the forecast’s margin.
Reported profit could also fall short because of the UniFirst deal, which management expects to close in the second half of calendar 2026. Cintas already booked costs for the transaction in fiscal Q1 2027. Operating income grew 15.2% in that quarter, compared with 17.6% without those costs. Management’s fiscal 2027 profit guide is on an adjusted basis, which left those costs out of the latest quarter, so reported profit for the year can come in below the guide even when adjusted profit meets it.
If the forecast arrives, the forward multiples give a fair picture of what you are paying for Cintas. The margin is where the forecast is most likely to fall short. Without that wider margin, you would be paying for profit Cintas has not earned, which makes the stock a riskier one to own. Net margin is the measure to watch when Cintas next reports, expected in December 2026.
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