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

Southern Company is the larger business by last-quarter revenue ($7.0B vs $5.4B, roughly 1.3× Automatic Data Processing). Automatic Data Processing runs the higher net margin — 19.8% vs 4.9%, a 14.9% gap on every dollar of revenue. On growth, Southern Company posted the faster year-over-year revenue change (10.1% vs 6.2%). Over the past eight quarters, Southern Company's revenue compounded faster (2.5% 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.

Southern Company is an American gas and electric utility holding company based in the Southern United States. It is headquartered in Atlanta, Georgia, with executive offices located in Birmingham, Alabama. As of 2021 it is the second largest utility company in the U.S. in terms of customer base. Through its subsidiaries it serves 9 million gas and electric utility customers in 6 states. Southern Company's regulated regional electric utilities serve a 120,000-square-mile (310,000 km2) territor...

ADP vs SO — Head-to-Head

Bigger by revenue
SO
SO
1.3× larger
SO
$7.0B
$5.4B
ADP
Growing faster (revenue YoY)
SO
SO
+4.0% gap
SO
10.1%
6.2%
ADP
Higher net margin
ADP
ADP
14.9% more per $
ADP
19.8%
4.9%
SO
Faster 2-yr revenue CAGR
SO
SO
Annualised
SO
2.5%
1.0%
ADP

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
ADP
ADP
SO
SO
Revenue
$5.4B
$7.0B
Net Profit
$1.1B
$341.0M
Gross Margin
46.1%
Operating Margin
25.8%
13.1%
Net Margin
19.8%
4.9%
Revenue YoY
6.2%
10.1%
Net Profit YoY
10.3%
-26.8%
EPS (diluted)
$2.62
$0.38

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
SO
SO
Q4 25
$5.4B
$7.0B
Q3 25
$5.2B
$7.8B
Q2 25
$5.1B
$7.0B
Q1 25
$5.6B
$7.8B
Q4 24
$5.0B
$6.3B
Q3 24
$4.8B
$7.3B
Q2 24
$4.8B
$6.5B
Q1 24
$5.3B
$6.6B
Net Profit
ADP
ADP
SO
SO
Q4 25
$1.1B
$341.0M
Q3 25
$1.0B
$1.7B
Q2 25
$910.7M
$880.0M
Q1 25
$1.2B
$1.3B
Q4 24
$963.2M
$466.0M
Q3 24
$956.3M
$1.5B
Q2 24
$829.3M
$1.2B
Q1 24
$1.2B
$1.1B
Gross Margin
ADP
ADP
SO
SO
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
SO
SO
Q4 25
25.8%
13.1%
Q3 25
25.3%
33.2%
Q2 25
23.2%
25.3%
Q1 25
29.2%
25.9%
Q4 24
25.0%
16.7%
Q3 24
25.6%
32.6%
Q2 24
22.8%
30.0%
Q1 24
29.4%
25.6%
Net Margin
ADP
ADP
SO
SO
Q4 25
19.8%
4.9%
Q3 25
19.6%
21.9%
Q2 25
17.8%
12.6%
Q1 25
22.5%
16.3%
Q4 24
19.1%
7.3%
Q3 24
19.8%
21.1%
Q2 24
17.4%
18.6%
Q1 24
22.6%
16.1%
EPS (diluted)
ADP
ADP
SO
SO
Q4 25
$2.62
$0.38
Q3 25
$2.49
$1.54
Q2 25
$2.23
$0.79
Q1 25
$3.06
$1.21
Q4 24
$2.35
$0.48
Q3 24
$2.34
$1.39
Q2 24
$2.01
$1.09
Q1 24
$2.88
$1.03

Balance Sheet & Financial Strength

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

Metric
ADP
ADP
SO
SO
Cash + ST InvestmentsLiquidity on hand
$2.5B
$1.6B
Total DebtLower is stronger
$65.6B
Stockholders' EquityBook value
$6.4B
$36.0B
Total Assets
$84.6B
$155.7B
Debt / EquityLower = less leverage
1.82×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADP
ADP
SO
SO
Q4 25
$2.5B
$1.6B
Q3 25
$7.9B
$3.3B
Q2 25
$7.8B
$1.3B
Q1 25
$2.7B
$2.3B
Q4 24
$2.2B
$1.1B
Q3 24
$7.3B
$1.0B
Q2 24
$3.3B
$1.2B
Q1 24
$3.3B
$713.0M
Total Debt
ADP
ADP
SO
SO
Q4 25
$65.6B
Q3 25
$64.6B
Q2 25
$63.0B
Q1 25
$62.9B
Q4 24
$58.8B
Q3 24
$61.3B
Q2 24
$59.9B
Q1 24
$59.4B
Stockholders' Equity
ADP
ADP
SO
SO
Q4 25
$6.4B
$36.0B
Q3 25
$6.4B
$38.3B
Q2 25
$6.2B
$37.3B
Q1 25
$5.9B
$37.2B
Q4 24
$5.1B
$33.2B
Q3 24
$5.3B
$36.9B
Q2 24
$4.5B
$36.1B
Q1 24
$4.6B
$35.6B
Total Assets
ADP
ADP
SO
SO
Q4 25
$84.6B
$155.7B
Q3 25
$54.3B
$153.2B
Q2 25
$53.4B
$148.9B
Q1 25
$56.4B
$148.1B
Q4 24
$64.1B
$145.2B
Q3 24
$49.5B
$144.0B
Q2 24
$54.4B
$141.9B
Q1 24
$64.2B
$140.1B
Debt / Equity
ADP
ADP
SO
SO
Q4 25
1.82×
Q3 25
1.69×
Q2 25
1.69×
Q1 25
1.69×
Q4 24
1.77×
Q3 24
1.66×
Q2 24
1.66×
Q1 24
1.67×

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
SO
SO
Operating Cash FlowLast quarter
$1.1B
$2.6B
Free Cash FlowOCF − Capex
$-1.7B
FCF MarginFCF / Revenue
-24.2%
Capex IntensityCapex / Revenue
61.4%
Cash ConversionOCF / Net Profit
1.07×
7.62×
TTM Free Cash FlowTrailing 4 quarters
$-2.9B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ADP
ADP
SO
SO
Q4 25
$1.1B
$2.6B
Q3 25
$642.3M
$3.8B
Q2 25
$1.4B
$2.2B
Q1 25
$1.5B
$1.3B
Q4 24
$1.2B
$2.2B
Q3 24
$824.4M
$3.6B
Q2 24
$1.3B
$2.7B
Q1 24
$1.5B
$1.3B
Free Cash Flow
ADP
ADP
SO
SO
Q4 25
$-1.7B
Q3 25
$559.0M
Q2 25
$-619.0M
Q1 25
$-1.2B
Q4 24
$-576.0M
Q3 24
$1.3B
Q2 24
$563.0M
Q1 24
$-459.0M
FCF Margin
ADP
ADP
SO
SO
Q4 25
-24.2%
Q3 25
7.1%
Q2 25
-8.9%
Q1 25
-15.3%
Q4 24
-9.1%
Q3 24
17.9%
Q2 24
8.7%
Q1 24
-6.9%
Capex Intensity
ADP
ADP
SO
SO
Q4 25
61.4%
Q3 25
41.1%
Q2 25
40.2%
Q1 25
31.3%
Q4 24
43.4%
Q3 24
31.8%
Q2 24
32.9%
Q1 24
26.6%
Cash Conversion
ADP
ADP
SO
SO
Q4 25
1.07×
7.62×
Q3 25
0.63×
2.21×
Q2 25
1.58×
2.48×
Q1 25
1.22×
0.98×
Q4 24
1.19×
4.66×
Q3 24
0.86×
2.36×
Q2 24
1.57×
2.23×
Q1 24
1.26×
1.22×

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%

SO
SO

Other$3.9B57%
Retail Electric Commercial$1.6B23%
Natural Gas Distribution Residential$689.0M10%
Natural Gas Distribution Transportation$371.0M5%
Wholesale Non Affiliates$123.0M2%
Natural Gas Distribution Other$76.0M1%
Wholesale Electric Non PPA Revenues$62.0M1%
Wholesale Affiliates$55.0M1%
Retail Electric Other$31.0M0%
Alternative Energy$20.0M0%
Natural Gas Distribution Industrial$15.0M0%

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