ADP vs PAYX

Automatic Data Processing (ADP) and Paychex (PAYX) compared side by side. Automatic Data Processing (ADP) is larger, with a market cap of $120.5B versus $42.0B for Paychex, about 2.9 times the size. On trailing earnings, PAYX is cheaper at 23.4x versus 27.8x for ADP.

Head to head

MetricADPPAYX
Market cap$120.5B$42.0B
P/E (TTM)27.8x23.4x
Forward P/E22.7x18.5x
Revenue (TTM)$21.9B$6.6B
Revenue growth6.8%5.9%
Gross margin48.7%74.4%
Operating margin23.5%38.5%
Free cash flow$4.8B$2.0B
Dividend yield2.24%4.03%
1-year return+11.2%-1.2%
5-year return (annual)+9.3%+2.2%
Max drawdown-59%-65%
FI Handbook gradeB-B

Highlighted: the stronger figure on metrics where higher or lower is clearly better.

Growth of $10,000 (5 years, price only)

$7.5K
$10.0K
$12.5K
$15.0K
20222023202420252026
ADPPAYX

ADP vs PAYX FAQ

Which is bigger, ADP or PAYX?

Automatic Data Processing (ADP) is larger, with a market cap of $120.5B versus $42.0B for Paychex, about 2.9 times the size.

Is ADP or PAYX cheaper?

On trailing earnings, PAYX is cheaper at 23.4x versus 27.8x for ADP. A lower P/E can reflect slower expected growth, so compare growth and margins too.

Which stock performed better over the past year, ADP or PAYX?

ADP returned +11.2% over the past year including dividends, versus -1.2% for PAYX, through October 23, 2026.

Which pays a higher dividend, ADP or PAYX?

PAYX yields 4.03% versus 2.24% for ADP.

Full pages: Automatic Data Processing · Paychex