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Side-by-side financial comparison of Southern Company (SO) and Smurfit Westrock (SW). Click either name above to swap in a different company.

Smurfit Westrock is the larger business by last-quarter revenue ($7.6B vs $7.0B, roughly 1.1× Southern Company). Southern Company runs the higher net margin — 4.9% vs 1.3%, a 3.6% gap on every dollar of revenue. On growth, Southern Company posted the faster year-over-year revenue change (10.1% vs 0.5%). Smurfit Westrock produced more free cash flow last quarter ($612.0M vs $-1.7B). Over the past eight quarters, Smurfit Westrock's revenue compounded faster (60.8% CAGR vs 2.5%).

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...

Smurfit Westrock plc is an Irish company based in Dublin, Ireland that manufactures corrugated and paper-based packaging. Its stock is listed on the New York Stock Exchange and the London Stock Exchange.

SO vs SW — Head-to-Head

Bigger by revenue
SW
SW
1.1× larger
SW
$7.6B
$7.0B
SO
Growing faster (revenue YoY)
SO
SO
+9.6% gap
SO
10.1%
0.5%
SW
Higher net margin
SO
SO
3.6% more per $
SO
4.9%
1.3%
SW
More free cash flow
SW
SW
$2.3B more FCF
SW
$612.0M
$-1.7B
SO
Faster 2-yr revenue CAGR
SW
SW
Annualised
SW
60.8%
2.5%
SO

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
SO
SO
SW
SW
Revenue
$7.0B
$7.6B
Net Profit
$341.0M
$97.0M
Gross Margin
18.2%
Operating Margin
13.1%
5.1%
Net Margin
4.9%
1.3%
Revenue YoY
10.1%
0.5%
Net Profit YoY
-26.8%
-33.6%
EPS (diluted)
$0.38
$0.18

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
SO
SO
SW
SW
Q4 25
$7.0B
$7.6B
Q3 25
$7.8B
$8.0B
Q2 25
$7.0B
$7.9B
Q1 25
$7.8B
$7.7B
Q4 24
$6.3B
$7.5B
Q3 24
$7.3B
$7.7B
Q2 24
$6.5B
$3.0B
Q1 24
$6.6B
$2.9B
Net Profit
SO
SO
SW
SW
Q4 25
$341.0M
$97.0M
Q3 25
$1.7B
$246.0M
Q2 25
$880.0M
$-28.0M
Q1 25
$1.3B
$384.0M
Q4 24
$466.0M
$146.0M
Q3 24
$1.5B
$-150.0M
Q2 24
$1.2B
$132.0M
Q1 24
$1.1B
$191.0M
Gross Margin
SO
SO
SW
SW
Q4 25
18.2%
Q3 25
19.6%
Q2 25
19.1%
Q1 25
20.6%
Q4 24
19.1%
Q3 24
17.6%
Q2 24
23.3%
Q1 24
24.2%
Operating Margin
SO
SO
SW
SW
Q4 25
13.1%
5.1%
Q3 25
33.2%
6.6%
Q2 25
25.3%
3.2%
Q1 25
25.9%
7.2%
Q4 24
16.7%
5.3%
Q3 24
32.6%
0.7%
Q2 24
30.0%
8.2%
Q1 24
25.6%
10.5%
Net Margin
SO
SO
SW
SW
Q4 25
4.9%
1.3%
Q3 25
21.9%
3.1%
Q2 25
12.6%
-0.4%
Q1 25
16.3%
5.0%
Q4 24
7.3%
1.9%
Q3 24
21.1%
-2.0%
Q2 24
18.6%
4.4%
Q1 24
16.1%
6.5%
EPS (diluted)
SO
SO
SW
SW
Q4 25
$0.38
$0.18
Q3 25
$1.54
$0.47
Q2 25
$0.79
$-0.05
Q1 25
$1.21
$0.73
Q4 24
$0.48
$-0.12
Q3 24
$1.39
$-0.30
Q2 24
$1.09
$0.51
Q1 24
$1.03
$0.73

Balance Sheet & Financial Strength

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

Metric
SO
SO
SW
SW
Cash + ST InvestmentsLiquidity on hand
$1.6B
$892.0M
Total DebtLower is stronger
$65.6B
$13.4B
Stockholders' EquityBook value
$36.0B
$18.3B
Total Assets
$155.7B
$45.2B
Debt / EquityLower = less leverage
1.82×
0.73×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SO
SO
SW
SW
Q4 25
$1.6B
$892.0M
Q3 25
$3.3B
$851.0M
Q2 25
$1.3B
$778.0M
Q1 25
$2.3B
$797.0M
Q4 24
$1.1B
$855.0M
Q3 24
$1.0B
Q2 24
$1.2B
$26.8K
Q1 24
$713.0M
$108
Total Debt
SO
SO
SW
SW
Q4 25
$65.6B
$13.4B
Q3 25
$64.6B
$13.3B
Q2 25
$63.0B
$13.3B
Q1 25
$62.9B
$12.9B
Q4 24
$58.8B
$12.5B
Q3 24
$61.3B
$13.2B
Q2 24
$59.9B
Q1 24
$59.4B
Stockholders' Equity
SO
SO
SW
SW
Q4 25
$36.0B
$18.3B
Q3 25
$38.3B
$18.4B
Q2 25
$37.3B
$18.3B
Q1 25
$37.2B
$17.9B
Q4 24
$33.2B
$17.4B
Q3 24
$36.9B
$18.0B
Q2 24
$36.1B
$14.5K
Q1 24
$35.6B
$108
Total Assets
SO
SO
SW
SW
Q4 25
$155.7B
$45.2B
Q3 25
$153.2B
$45.6B
Q2 25
$148.9B
$45.7B
Q1 25
$148.1B
$44.6B
Q4 24
$145.2B
$43.8B
Q3 24
$144.0B
$45.0B
Q2 24
$141.9B
$26.8K
Q1 24
$140.1B
$108
Debt / Equity
SO
SO
SW
SW
Q4 25
1.82×
0.73×
Q3 25
1.69×
0.72×
Q2 25
1.69×
0.73×
Q1 25
1.69×
0.72×
Q4 24
1.77×
0.72×
Q3 24
1.66×
0.73×
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
SO
SO
SW
SW
Operating Cash FlowLast quarter
$2.6B
$1.2B
Free Cash FlowOCF − Capex
$-1.7B
$612.0M
FCF MarginFCF / Revenue
-24.2%
8.1%
Capex IntensityCapex / Revenue
61.4%
7.7%
Cash ConversionOCF / Net Profit
7.62×
12.32×
TTM Free Cash FlowTrailing 4 quarters
$-2.9B
$1.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SO
SO
SW
SW
Q4 25
$2.6B
$1.2B
Q3 25
$3.8B
$1.1B
Q2 25
$2.2B
$829.0M
Q1 25
$1.3B
$235.0M
Q4 24
$2.2B
$781.0M
Q3 24
$3.6B
$320.0M
Q2 24
$2.7B
$340.0M
Q1 24
$1.3B
$42.0M
Free Cash Flow
SO
SO
SW
SW
Q4 25
$-1.7B
$612.0M
Q3 25
$559.0M
$523.0M
Q2 25
$-619.0M
$307.0M
Q1 25
$-1.2B
$-242.0M
Q4 24
$-576.0M
$212.0M
Q3 24
$1.3B
$-192.0M
Q2 24
$563.0M
$163.0M
Q1 24
$-459.0M
$-166.0M
FCF Margin
SO
SO
SW
SW
Q4 25
-24.2%
8.1%
Q3 25
7.1%
6.5%
Q2 25
-8.9%
3.9%
Q1 25
-15.3%
-3.2%
Q4 24
-9.1%
2.8%
Q3 24
17.9%
-2.5%
Q2 24
8.7%
5.5%
Q1 24
-6.9%
-5.7%
Capex Intensity
SO
SO
SW
SW
Q4 25
61.4%
7.7%
Q3 25
41.1%
7.6%
Q2 25
40.2%
6.6%
Q1 25
31.3%
6.2%
Q4 24
43.4%
7.5%
Q3 24
31.8%
6.7%
Q2 24
32.9%
6.0%
Q1 24
26.6%
7.1%
Cash Conversion
SO
SO
SW
SW
Q4 25
7.62×
12.32×
Q3 25
2.21×
4.61×
Q2 25
2.48×
Q1 25
0.98×
0.61×
Q4 24
4.66×
5.35×
Q3 24
2.36×
Q2 24
2.23×
2.58×
Q1 24
1.22×
0.22×

Financial Flow Comparison

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

Revenue Breakdown by Segment

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%

SW
SW

Packaging$3.3B43%
Other$3.2B43%
Paper$1.1B14%

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