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

Automatic Data Processing is the larger business by last-quarter revenue ($5.4B vs $2.7B, roughly 2.0× American Tower). American Tower runs the higher net margin — 110.1% vs 19.8%, a 90.3% gap on every dollar of revenue. On growth, American Tower posted the faster year-over-year revenue change (6.8% vs 6.2%). Over the past eight quarters, American Tower's revenue compounded faster (3.7% CAGR vs 1.0%).

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 Tower Corporation, one of the largest global REITs, is a leading independent owner, operator and developer of multitenant communications real estate with a portfolio of approximately 219,000 communications sites. For more information about American Tower, please visit the Earnings Materials and Investor Presentations sections of our investor relations website at www.americantower.com.

ADP vs AMT — Head-to-Head

Bigger by revenue
ADP
ADP
2.0× larger
ADP
$5.4B
$2.7B
AMT
Growing faster (revenue YoY)
AMT
AMT
+0.7% gap
AMT
6.8%
6.2%
ADP
Higher net margin
AMT
AMT
90.3% more per $
AMT
110.1%
19.8%
ADP
Faster 2-yr revenue CAGR
AMT
AMT
Annualised
AMT
3.7%
1.0%
ADP

Income Statement — Q2 FY2026 vs Q1 FY2026

Metric
ADP
ADP
AMT
AMT
Revenue
$5.4B
$2.7B
Net Profit
$1.1B
$3.0B
Gross Margin
46.1%
Operating Margin
25.8%
0.0%
Net Margin
19.8%
110.1%
Revenue YoY
6.2%
6.8%
Net Profit YoY
10.3%
-2.6%
EPS (diluted)
$2.62

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
AMT
AMT
Q1 26
$2.7B
Q4 25
$5.4B
$2.7B
Q3 25
$5.2B
$2.7B
Q2 25
$5.1B
$2.6B
Q1 25
$5.6B
$2.6B
Q4 24
$5.0B
$2.5B
Q3 24
$4.8B
$2.5B
Q2 24
$4.8B
$2.5B
Net Profit
ADP
ADP
AMT
AMT
Q1 26
$3.0B
Q4 25
$1.1B
$836.8M
Q3 25
$1.0B
$912.6M
Q2 25
$910.7M
$380.5M
Q1 25
$1.2B
$498.6M
Q4 24
$963.2M
$1.2B
Q3 24
$956.3M
$-780.4M
Q2 24
$829.3M
$908.4M
Gross Margin
ADP
ADP
AMT
AMT
Q1 26
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%
Operating Margin
ADP
ADP
AMT
AMT
Q1 26
0.0%
Q4 25
25.8%
42.4%
Q3 25
25.3%
45.4%
Q2 25
23.2%
45.6%
Q1 25
29.2%
48.9%
Q4 24
25.0%
42.4%
Q3 24
25.6%
45.2%
Q2 24
22.8%
45.4%
Net Margin
ADP
ADP
AMT
AMT
Q1 26
110.1%
Q4 25
19.8%
30.6%
Q3 25
19.6%
33.6%
Q2 25
17.8%
14.5%
Q1 25
22.5%
19.5%
Q4 24
19.1%
48.3%
Q3 24
19.8%
-30.9%
Q2 24
17.4%
35.7%
EPS (diluted)
ADP
ADP
AMT
AMT
Q1 26
Q4 25
$2.62
$1.76
Q3 25
$2.49
$1.82
Q2 25
$2.23
$0.78
Q1 25
$3.06
$1.04
Q4 24
$2.35
$2.63
Q3 24
$2.34
$-1.69
Q2 24
$2.01
$1.92

Balance Sheet & Financial Strength

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

Metric
ADP
ADP
AMT
AMT
Cash + ST InvestmentsLiquidity on hand
$2.5B
$1.6B
Total DebtLower is stronger
Stockholders' EquityBook value
$6.4B
$10.2B
Total Assets
$84.6B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADP
ADP
AMT
AMT
Q1 26
$1.6B
Q4 25
$2.5B
$1.5B
Q3 25
$7.9B
$2.0B
Q2 25
$7.8B
$2.1B
Q1 25
$2.7B
$2.1B
Q4 24
$2.2B
$2.0B
Q3 24
$7.3B
$2.2B
Q2 24
$3.3B
$2.2B
Total Debt
ADP
ADP
AMT
AMT
Q1 26
Q4 25
$33.8B
Q3 25
$34.9B
Q2 25
$35.2B
Q1 25
$34.0B
Q4 24
$32.8B
Q3 24
$33.4B
Q2 24
$35.6B
Stockholders' Equity
ADP
ADP
AMT
AMT
Q1 26
$10.2B
Q4 25
$6.4B
$3.7B
Q3 25
$6.4B
$4.0B
Q2 25
$6.2B
$3.7B
Q1 25
$5.9B
$3.5B
Q4 24
$5.1B
$3.4B
Q3 24
$5.3B
$3.6B
Q2 24
$4.5B
$3.9B
Total Assets
ADP
ADP
AMT
AMT
Q1 26
Q4 25
$84.6B
$63.2B
Q3 25
$54.3B
$63.9B
Q2 25
$53.4B
$63.8B
Q1 25
$56.4B
$62.1B
Q4 24
$64.1B
$61.1B
Q3 24
$49.5B
$62.8B
Q2 24
$54.4B
$65.8B
Debt / Equity
ADP
ADP
AMT
AMT
Q1 26
Q4 25
9.26×
Q3 25
8.82×
Q2 25
9.48×
Q1 25
9.63×
Q4 24
9.70×
Q3 24
9.16×
Q2 24
9.24×

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
AMT
AMT
Operating Cash FlowLast quarter
$1.1B
Free Cash FlowOCF − Capex
$941.0M
FCF MarginFCF / Revenue
34.4%
Capex IntensityCapex / Revenue
16.8%
Cash ConversionOCF / Net Profit
1.07×
TTM Free Cash FlowTrailing 4 quarters
$6.7B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ADP
ADP
AMT
AMT
Q1 26
Q4 25
$1.1B
$5.5B
Q3 25
$642.3M
$1.5B
Q2 25
$1.4B
$1.3B
Q1 25
$1.5B
$1.3B
Q4 24
$1.2B
$5.3B
Q3 24
$824.4M
$1.5B
Q2 24
$1.3B
$1.3B
Free Cash Flow
ADP
ADP
AMT
AMT
Q1 26
$941.0M
Q4 25
$3.8B
Q3 25
$994.5M
Q2 25
$976.9M
Q1 25
$963.9M
Q4 24
$3.7B
Q3 24
$1.0B
Q2 24
$1.0B
FCF Margin
ADP
ADP
AMT
AMT
Q1 26
34.4%
Q4 25
138.2%
Q3 25
36.6%
Q2 25
37.2%
Q1 25
37.6%
Q4 24
145.3%
Q3 24
41.4%
Q2 24
39.8%
Capex Intensity
ADP
ADP
AMT
AMT
Q1 26
16.8%
Q4 25
61.4%
Q3 25
17.1%
Q2 25
11.6%
Q1 25
12.9%
Q4 24
62.4%
Q3 24
16.8%
Q2 24
12.8%
Cash Conversion
ADP
ADP
AMT
AMT
Q1 26
Q4 25
1.07×
6.53×
Q3 25
0.63×
1.60×
Q2 25
1.58×
3.37×
Q1 25
1.22×
2.60×
Q4 24
1.19×
4.30×
Q3 24
0.86×
Q2 24
1.57×
1.47×

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%

AMT
AMT

Segment breakdown not available.

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