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Side-by-side financial comparison of Assurant (AIZ) and Williams Companies (WMB). Click either name above to swap in a different company.

Williams Companies is the larger business by last-quarter revenue ($3.8B vs $3.4B, roughly 1.1× Assurant). Williams Companies runs the higher net margin — 19.1% vs 6.7%, a 12.4% gap on every dollar of revenue. On growth, Williams Companies posted the faster year-over-year revenue change (12.7% vs 7.9%). Assurant produced more free cash flow last quarter ($611.7M vs $-379.0M). Over the past eight quarters, Assurant's revenue compounded faster (7.9% CAGR vs 7.3%).

Assurant, Inc. is a global provider of risk management products and services with headquarters in Atlanta. Its businesses provide a diverse set of specialty, niche-market insurance products in the property, casualty, extended device protection, and preneed insurance sectors. The company's main operating segments are Global Housing and Global Lifestyle.

The Williams Companies, Inc. is an American energy company based in Tulsa, Oklahoma. Its core business is natural gas processing and transportation, with additional petroleum and electricity generation assets. A Fortune 500 company, its common stock is a component of the S&P 500.

AIZ vs WMB — Head-to-Head

Bigger by revenue
WMB
WMB
1.1× larger
WMB
$3.8B
$3.4B
AIZ
Growing faster (revenue YoY)
WMB
WMB
+4.8% gap
WMB
12.7%
7.9%
AIZ
Higher net margin
WMB
WMB
12.4% more per $
WMB
19.1%
6.7%
AIZ
More free cash flow
AIZ
AIZ
$990.7M more FCF
AIZ
$611.7M
$-379.0M
WMB
Faster 2-yr revenue CAGR
AIZ
AIZ
Annualised
AIZ
7.9%
7.3%
WMB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AIZ
AIZ
WMB
WMB
Revenue
$3.4B
$3.8B
Net Profit
$225.2M
$734.0M
Gross Margin
Operating Margin
8.5%
27.3%
Net Margin
6.7%
19.1%
Revenue YoY
7.9%
12.7%
Net Profit YoY
11.9%
51.0%
EPS (diluted)
$4.37
$0.60

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
AIZ
AIZ
WMB
WMB
Q4 25
$3.4B
$3.8B
Q3 25
$3.2B
$3.5B
Q2 25
$3.2B
$3.4B
Q1 25
$3.1B
$4.2B
Q4 24
$3.1B
$3.4B
Q3 24
$3.0B
$3.0B
Q2 24
$2.9B
$2.8B
Q1 24
$2.9B
$3.3B
Net Profit
AIZ
AIZ
WMB
WMB
Q4 25
$225.2M
$734.0M
Q3 25
$265.6M
$647.0M
Q2 25
$235.3M
$546.0M
Q1 25
$146.6M
$691.0M
Q4 24
$201.3M
$486.0M
Q3 24
$133.8M
$706.0M
Q2 24
$188.7M
$401.0M
Q1 24
$236.4M
$632.0M
Operating Margin
AIZ
AIZ
WMB
WMB
Q4 25
8.5%
27.3%
Q3 25
10.2%
31.8%
Q2 25
9.2%
28.0%
Q1 25
6.0%
26.1%
Q4 24
8.1%
23.2%
Q3 24
5.1%
27.6%
Q2 24
8.0%
24.4%
Q1 24
10.2%
30.3%
Net Margin
AIZ
AIZ
WMB
WMB
Q4 25
6.7%
19.1%
Q3 25
8.2%
18.5%
Q2 25
7.4%
16.2%
Q1 25
4.8%
16.5%
Q4 24
6.5%
14.2%
Q3 24
4.5%
23.3%
Q2 24
6.5%
14.1%
Q1 24
8.2%
18.9%
EPS (diluted)
AIZ
AIZ
WMB
WMB
Q4 25
$4.37
$0.60
Q3 25
$5.17
$0.53
Q2 25
$4.56
$0.45
Q1 25
$2.83
$0.56
Q4 24
$3.86
$0.39
Q3 24
$2.55
$0.58
Q2 24
$3.58
$0.33
Q1 24
$4.47
$0.52

Balance Sheet & Financial Strength

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

Metric
AIZ
AIZ
WMB
WMB
Cash + ST InvestmentsLiquidity on hand
$1.8B
Total DebtLower is stronger
$27.3B
Stockholders' EquityBook value
$5.9B
$12.8B
Total Assets
$36.3B
$58.6B
Debt / EquityLower = less leverage
2.13×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AIZ
AIZ
WMB
WMB
Q4 25
$1.8B
Q3 25
$1.7B
Q2 25
$1.5B
Q1 25
$1.7B
Q4 24
$1.8B
Q3 24
$1.8B
Q2 24
$1.7B
Q1 24
$1.3B
Total Debt
AIZ
AIZ
WMB
WMB
Q4 25
$27.3B
Q3 25
$25.6B
Q2 25
$25.6B
Q1 25
$24.1B
Q4 24
$24.7B
Q3 24
$24.8B
Q2 24
$24.1B
Q1 24
$24.1B
Stockholders' Equity
AIZ
AIZ
WMB
WMB
Q4 25
$5.9B
$12.8B
Q3 25
$5.8B
$12.5B
Q2 25
$5.5B
$12.4B
Q1 25
$5.2B
$12.5B
Q4 24
$5.1B
$12.4B
Q3 24
$5.3B
$12.4B
Q2 24
$5.0B
$12.3B
Q1 24
$4.9B
$12.4B
Total Assets
AIZ
AIZ
WMB
WMB
Q4 25
$36.3B
$58.6B
Q3 25
$35.8B
$55.7B
Q2 25
$35.5B
$56.1B
Q1 25
$35.0B
$54.9B
Q4 24
$35.0B
$54.5B
Q3 24
$35.3B
$53.8B
Q2 24
$33.8B
$52.4B
Q1 24
$33.2B
$52.7B
Debt / Equity
AIZ
AIZ
WMB
WMB
Q4 25
2.13×
Q3 25
2.04×
Q2 25
2.06×
Q1 25
1.93×
Q4 24
1.99×
Q3 24
2.00×
Q2 24
1.96×
Q1 24
1.94×

Cash Flow & Capital Efficiency

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

Metric
AIZ
AIZ
WMB
WMB
Operating Cash FlowLast quarter
$671.0M
$1.6B
Free Cash FlowOCF − Capex
$611.7M
$-379.0M
FCF MarginFCF / Revenue
18.3%
-9.9%
Capex IntensityCapex / Revenue
1.8%
50.9%
Cash ConversionOCF / Net Profit
2.98×
2.15×
TTM Free Cash FlowTrailing 4 quarters
$1.6B
$1.0B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AIZ
AIZ
WMB
WMB
Q4 25
$671.0M
$1.6B
Q3 25
$505.0M
$1.4B
Q2 25
$265.5M
$1.4B
Q1 25
$392.4M
$1.4B
Q4 24
$102.8M
$1.2B
Q3 24
$436.5M
$1.2B
Q2 24
$710.9M
$1.3B
Q1 24
$82.5M
$1.2B
Free Cash Flow
AIZ
AIZ
WMB
WMB
Q4 25
$611.7M
$-379.0M
Q3 25
$442.1M
$485.0M
Q2 25
$205.6M
$478.0M
Q1 25
$339.0M
$421.0M
Q4 24
$34.8M
$450.0M
Q3 24
$389.4M
$561.0M
Q2 24
$655.5M
$700.0M
Q1 24
$31.7M
$690.0M
FCF Margin
AIZ
AIZ
WMB
WMB
Q4 25
18.3%
-9.9%
Q3 25
13.7%
13.9%
Q2 25
6.5%
14.2%
Q1 25
11.0%
10.1%
Q4 24
1.1%
13.2%
Q3 24
13.1%
18.5%
Q2 24
22.4%
24.6%
Q1 24
1.1%
20.7%
Capex Intensity
AIZ
AIZ
WMB
WMB
Q4 25
1.8%
50.9%
Q3 25
1.9%
27.3%
Q2 25
1.9%
28.8%
Q1 25
1.7%
24.2%
Q4 24
2.2%
22.5%
Q3 24
1.6%
22.5%
Q2 24
1.9%
20.3%
Q1 24
1.8%
16.3%
Cash Conversion
AIZ
AIZ
WMB
WMB
Q4 25
2.98×
2.15×
Q3 25
1.90×
2.22×
Q2 25
1.13×
2.66×
Q1 25
2.68×
2.07×
Q4 24
0.51×
2.51×
Q3 24
3.26×
1.76×
Q2 24
3.77×
3.19×
Q1 24
0.35×
1.95×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AIZ
AIZ

Global Lifestyle$2.6B78%
Global Housing$749.1M22%
Service Contracts And Sales$34.5M1%

WMB
WMB

Services$2.2B57%
Natural Gas Us Regulated$740.0M19%
West$730.0M19%
Non Regulated Service Commodity Consideration$51.0M1%
Natural Gas Gathering Transportation Marketing And Processing$45.0M1%
Affiliated Entity$23.0M1%
Other$14.0M0%
Other Service$11.0M0%

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