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Side-by-side financial comparison of Automatic Data Processing (ADP) and American Electric Power (AEP). Click either name above to swap in a different company.

Automatic Data Processing is the larger business by last-quarter revenue ($5.4B vs $5.1B, roughly 1.1× American Electric Power). Automatic Data Processing runs the higher net margin — 19.8% vs 12.0%, a 7.8% gap on every dollar of revenue. On growth, American Electric Power posted the faster year-over-year revenue change (6.2% vs 6.2%). Over the past eight quarters, Automatic Data Processing's revenue compounded faster (1.0% CAGR vs -0.3%).

Automatic Data Processing, Inc. (ADP) is an American multinational provider of cloud-based human resources management, payroll processing, and professional employer organization (PEO) services, headquartered in Roseland, New Jersey.

American Electric Power Company, Inc., an electric public utility holding company, engages in the generation, transmission, and distribution of electricity for sale to retail and wholesale customers in the United States. It operates through Vertically Integrated Utilities, Transmission and Distribution Utilities, AEP Transmission Holdco, and Generation & Marketing segments. The company generates electricity using coal and lignite, natural gas, nuclear, hydro, solar, wind, and other energy sou...

ADP vs AEP — Head-to-Head

Bigger by revenue
ADP
ADP
1.1× larger
ADP
$5.4B
$5.1B
AEP
Growing faster (revenue YoY)
AEP
AEP
+0.1% gap
AEP
6.2%
6.2%
ADP
Higher net margin
ADP
ADP
7.8% more per $
ADP
19.8%
12.0%
AEP
Faster 2-yr revenue CAGR
ADP
ADP
Annualised
ADP
1.0%
-0.3%
AEP

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
ADP
ADP
AEP
AEP
Revenue
$5.4B
$5.1B
Net Profit
$1.1B
$605.2M
Gross Margin
46.1%
Operating Margin
25.8%
22.1%
Net Margin
19.8%
12.0%
Revenue YoY
6.2%
6.2%
Net Profit YoY
10.3%
-9.1%
EPS (diluted)
$2.62
$1.06

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ADP
ADP
AEP
AEP
Q4 25
$5.4B
$5.1B
Q3 25
$5.2B
$6.0B
Q2 25
$5.1B
$5.1B
Q1 25
$5.6B
$5.6B
Q4 24
$5.0B
$4.8B
Q3 24
$4.8B
$5.5B
Q2 24
$4.8B
$4.7B
Q1 24
$5.3B
$5.1B
Net Profit
ADP
ADP
AEP
AEP
Q4 25
$1.1B
$605.2M
Q3 25
$1.0B
$1.0B
Q2 25
$910.7M
$1.3B
Q1 25
$1.2B
$802.2M
Q4 24
$963.2M
$665.9M
Q3 24
$956.3M
$961.7M
Q2 24
$829.3M
$342.5M
Q1 24
$1.2B
$1.0B
Gross Margin
ADP
ADP
AEP
AEP
Q4 25
46.1%
Q3 25
45.2%
Q2 25
45.1%
Q1 25
47.7%
Q4 24
45.7%
Q3 24
45.5%
Q2 24
44.8%
Q1 24
47.3%
Operating Margin
ADP
ADP
AEP
AEP
Q4 25
25.8%
22.1%
Q3 25
25.3%
25.5%
Q2 25
23.2%
27.7%
Q1 25
29.2%
22.8%
Q4 24
25.0%
23.0%
Q3 24
25.6%
24.7%
Q2 24
22.8%
14.7%
Q1 24
29.4%
23.1%
Net Margin
ADP
ADP
AEP
AEP
Q4 25
19.8%
12.0%
Q3 25
19.6%
16.8%
Q2 25
17.8%
25.5%
Q1 25
22.5%
14.2%
Q4 24
19.1%
14.0%
Q3 24
19.8%
17.6%
Q2 24
17.4%
7.4%
Q1 24
22.6%
19.8%
EPS (diluted)
ADP
ADP
AEP
AEP
Q4 25
$2.62
$1.06
Q3 25
$2.49
$1.81
Q2 25
$2.23
$2.29
Q1 25
$3.06
$1.50
Q4 24
$2.35
$1.24
Q3 24
$2.34
$1.80
Q2 24
$2.01
$0.64
Q1 24
$2.88
$1.90

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ADP
ADP
AEP
AEP
Cash + ST InvestmentsLiquidity on hand
$2.5B
$417.0M
Total DebtLower is stronger
$47.3B
Stockholders' EquityBook value
$6.4B
$31.1B
Total Assets
$84.6B
$114.5B
Debt / EquityLower = less leverage
1.52×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADP
ADP
AEP
AEP
Q4 25
$2.5B
$417.0M
Q3 25
$7.9B
$1.3B
Q2 25
$7.8B
$439.3M
Q1 25
$2.7B
$463.6M
Q4 24
$2.2B
$418.3M
Q3 24
$7.3B
$474.4M
Q2 24
$3.3B
$428.2M
Q1 24
$3.3B
$447.7M
Total Debt
ADP
ADP
AEP
AEP
Q4 25
$47.3B
Q3 25
$46.1B
Q2 25
$44.5B
Q1 25
$43.0B
Q4 24
$42.6B
Q3 24
$42.0B
Q2 24
$42.1B
Q1 24
$39.8B
Stockholders' Equity
ADP
ADP
AEP
AEP
Q4 25
$6.4B
$31.1B
Q3 25
$6.4B
$30.4B
Q2 25
$6.2B
$29.9B
Q1 25
$5.9B
$27.3B
Q4 24
$5.1B
$26.9B
Q3 24
$5.3B
$26.6B
Q2 24
$4.5B
$26.1B
Q1 24
$4.6B
$25.8B
Total Assets
ADP
ADP
AEP
AEP
Q4 25
$84.6B
$114.5B
Q3 25
$54.3B
$110.3B
Q2 25
$53.4B
$107.8B
Q1 25
$56.4B
$104.4B
Q4 24
$64.1B
$103.1B
Q3 24
$49.5B
$100.1B
Q2 24
$54.4B
$99.6B
Q1 24
$64.2B
$97.7B
Debt / Equity
ADP
ADP
AEP
AEP
Q4 25
1.52×
Q3 25
1.52×
Q2 25
1.49×
Q1 25
1.57×
Q4 24
1.58×
Q3 24
1.58×
Q2 24
1.61×
Q1 24
1.54×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ADP
ADP
AEP
AEP
Operating Cash FlowLast quarter
$1.1B
$1.8B
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
1.07×
3.00×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ADP
ADP
AEP
AEP
Q4 25
$1.1B
$1.8B
Q3 25
$642.3M
$2.5B
Q2 25
$1.4B
$1.2B
Q1 25
$1.5B
$1.4B
Q4 24
$1.2B
$1.7B
Q3 24
$824.4M
$2.2B
Q2 24
$1.3B
$1.5B
Q1 24
$1.5B
$1.4B
Free Cash Flow
ADP
ADP
AEP
AEP
Q4 25
Q3 25
$2.2B
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
FCF Margin
ADP
ADP
AEP
AEP
Q4 25
Q3 25
36.3%
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Capex Intensity
ADP
ADP
AEP
AEP
Q4 25
Q3 25
5.0%
Q2 25
Q1 25
Q4 24
Q3 24
0.0%
Q2 24
Q1 24
Cash Conversion
ADP
ADP
AEP
AEP
Q4 25
1.07×
3.00×
Q3 25
0.63×
2.46×
Q2 25
1.58×
0.95×
Q1 25
1.22×
1.81×
Q4 24
1.19×
2.59×
Q3 24
0.86×
2.26×
Q2 24
1.57×
4.27×
Q1 24
1.26×
1.43×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ADP
ADP

HCM$2.2B42%
PEO Zero Margin Benefits Pass Throughs$1.1B21%
HRO$979.3M18%
Global$709.3M13%
Interest On Funds Held For Clients$308.6M6%

AEP
AEP

Transmissionand Distribution Utilities Revenues$1.5B29%
Electric Generation Transmission Distribution Revenues$956.6M19%
Electricity Transmission And Distribution Revenues$931.8M18%
Industrial$685.8M14%
Marketing Competitive Retailand Renewable$438.3M9%
Wholesale Generation$231.1M5%
Wholesale Transmission$113.6M2%
Other$110.2M2%
Electric Transmission$103.4M2%
Other Retail$60.1M1%

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