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Side-by-side financial comparison of Aon plc (AON) and CASEYS GENERAL STORES INC (CASY). Click either name above to swap in a different company.

CASEYS GENERAL STORES INC is the larger business by last-quarter revenue ($4.5B vs $4.3B, roughly 1.0× Aon plc). Aon plc runs the higher net margin — 39.4% vs 4.6%, a 34.8% gap on every dollar of revenue. On growth, CASEYS GENERAL STORES INC posted the faster year-over-year revenue change (14.2% vs 3.7%). Aon plc produced more free cash flow last quarter ($1.3B vs $176.0M). Over the past eight quarters, CASEYS GENERAL STORES INC's revenue compounded faster (16.3% CAGR vs 2.8%).

Aon plc is a British-American professional services firm. The company operates two divisions: Risk Capital, which provides brokerage and consulting services for risk management and insurance and reinsurance, and Human Capital, which provides services for health insurance, retirement plans, pension plans, and talent advisory.

Casey's Retail Company is a chain of convenience stores in the Midwestern and Southern United States. The company is headquartered in Ankeny, Iowa, a suburb of Des Moines. As of October 1, 2023, Casey's had 2,500 stores in 16 states. Following 7-Eleven's purchase of Speedway, Casey's is the third-largest convenience store chain in the United States and the largest that is wholly American-owned. It is one of two Iowa-based Fortune 500 companies. Casey's is famous for their pizza, including a b...

AON vs CASY — Head-to-Head

Bigger by revenue
CASY
CASY
1.0× larger
CASY
$4.5B
$4.3B
AON
Growing faster (revenue YoY)
CASY
CASY
+10.5% gap
CASY
14.2%
3.7%
AON
Higher net margin
AON
AON
34.8% more per $
AON
39.4%
4.6%
CASY
More free cash flow
AON
AON
$1.1B more FCF
AON
$1.3B
$176.0M
CASY
Faster 2-yr revenue CAGR
CASY
CASY
Annualised
CASY
16.3%
2.8%
AON

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
AON
AON
CASY
CASY
Revenue
$4.3B
$4.5B
Net Profit
$1.7B
$206.3M
Gross Margin
Operating Margin
28.1%
6.1%
Net Margin
39.4%
4.6%
Revenue YoY
3.7%
14.2%
Net Profit YoY
136.5%
14.0%
EPS (diluted)
$7.82
$5.53

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
AON
AON
CASY
CASY
Q4 25
$4.3B
$4.5B
Q3 25
$4.0B
$4.6B
Q2 25
$4.2B
$4.0B
Q1 25
$4.7B
$3.9B
Q4 24
$4.1B
$3.9B
Q3 24
$3.7B
$4.1B
Q2 24
$3.8B
$3.6B
Q1 24
$4.1B
$3.3B
Net Profit
AON
AON
CASY
CASY
Q4 25
$1.7B
$206.3M
Q3 25
$458.0M
$215.4M
Q2 25
$579.0M
$98.3M
Q1 25
$965.0M
$87.1M
Q4 24
$716.0M
$180.9M
Q3 24
$343.0M
$180.2M
Q2 24
$524.0M
$87.0M
Q1 24
$1.1B
$86.9M
Operating Margin
AON
AON
CASY
CASY
Q4 25
28.1%
6.1%
Q3 25
20.4%
6.1%
Q2 25
20.7%
Q1 25
30.9%
2.8%
Q4 24
26.3%
6.1%
Q3 24
16.7%
5.8%
Q2 24
17.4%
Q1 24
36.0%
3.4%
Net Margin
AON
AON
CASY
CASY
Q4 25
39.4%
4.6%
Q3 25
11.5%
4.7%
Q2 25
13.9%
2.5%
Q1 25
20.4%
2.2%
Q4 24
17.3%
4.6%
Q3 24
9.2%
4.4%
Q2 24
13.9%
2.4%
Q1 24
26.3%
2.6%
EPS (diluted)
AON
AON
CASY
CASY
Q4 25
$7.82
$5.53
Q3 25
$2.11
$5.77
Q2 25
$2.66
$2.63
Q1 25
$4.43
$2.33
Q4 24
$3.11
$4.85
Q3 24
$1.57
$4.83
Q2 24
$2.46
$2.34
Q1 24
$5.35
$2.33

Balance Sheet & Financial Strength

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

Metric
AON
AON
CASY
CASY
Cash + ST InvestmentsLiquidity on hand
$2.8B
$492.0M
Total DebtLower is stronger
$15.2B
Stockholders' EquityBook value
$9.4B
$3.8B
Total Assets
$50.8B
$8.6B
Debt / EquityLower = less leverage
1.63×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AON
AON
CASY
CASY
Q4 25
$2.8B
$492.0M
Q3 25
$1.3B
$458.1M
Q2 25
$1.4B
$326.7M
Q1 25
$1.3B
$394.8M
Q4 24
$1.3B
$351.7M
Q3 24
$1.3B
$305.0M
Q2 24
$1.2B
$206.5M
Q1 24
$6.4B
$177.9M
Total Debt
AON
AON
CASY
CASY
Q4 25
$15.2B
Q3 25
Q2 25
$2.4B
Q1 25
Q4 24
$17.0B
Q3 24
Q2 24
$1.6B
Q1 24
Stockholders' Equity
AON
AON
CASY
CASY
Q4 25
$9.4B
$3.8B
Q3 25
$7.9B
$3.6B
Q2 25
$7.8B
$3.5B
Q1 25
$7.0B
$3.4B
Q4 24
$6.1B
$3.3B
Q3 24
$6.2B
$3.2B
Q2 24
$5.9B
$3.0B
Q1 24
$-133.0M
$2.9B
Total Assets
AON
AON
CASY
CASY
Q4 25
$50.8B
$8.6B
Q3 25
$51.6B
$8.4B
Q2 25
$54.0B
$8.2B
Q1 25
$50.3B
$8.2B
Q4 24
$49.0B
$7.7B
Q3 24
$49.9B
$6.5B
Q2 24
$51.5B
$6.3B
Q1 24
$40.8B
$6.2B
Debt / Equity
AON
AON
CASY
CASY
Q4 25
1.63×
Q3 25
Q2 25
0.69×
Q1 25
Q4 24
2.78×
Q3 24
Q2 24
0.52×
Q1 24

Cash Flow & Capital Efficiency

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

Metric
AON
AON
CASY
CASY
Operating Cash FlowLast quarter
$1.4B
$347.1M
Free Cash FlowOCF − Capex
$1.3B
$176.0M
FCF MarginFCF / Revenue
30.8%
3.9%
Capex IntensityCapex / Revenue
1.7%
3.8%
Cash ConversionOCF / Net Profit
0.83×
1.68×
TTM Free Cash FlowTrailing 4 quarters
$3.2B
$682.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AON
AON
CASY
CASY
Q4 25
$1.4B
$347.1M
Q3 25
$1.1B
$372.4M
Q2 25
$796.0M
$333.9M
Q1 25
$140.0M
$204.9M
Q4 24
$1.2B
$270.7M
Q3 24
$1.0B
$281.4M
Q2 24
$513.0M
$288.4M
Q1 24
$309.0M
$122.8M
Free Cash Flow
AON
AON
CASY
CASY
Q4 25
$1.3B
$176.0M
Q3 25
$1.1B
$262.4M
Q2 25
$732.0M
$153.1M
Q1 25
$84.0M
$90.7M
Q4 24
$1.1B
$160.0M
Q3 24
$951.0M
$180.8M
Q2 24
$460.0M
$92.1M
Q1 24
$261.0M
$-27.0M
FCF Margin
AON
AON
CASY
CASY
Q4 25
30.8%
3.9%
Q3 25
27.0%
5.7%
Q2 25
17.6%
3.8%
Q1 25
1.8%
2.3%
Q4 24
27.6%
4.1%
Q3 24
25.6%
4.4%
Q2 24
12.2%
2.6%
Q1 24
6.4%
-0.8%
Capex Intensity
AON
AON
CASY
CASY
Q4 25
1.7%
3.8%
Q3 25
1.7%
2.4%
Q2 25
1.5%
4.5%
Q1 25
1.2%
2.9%
Q4 24
1.3%
2.8%
Q3 24
1.7%
2.5%
Q2 24
1.4%
5.5%
Q1 24
1.2%
4.5%
Cash Conversion
AON
AON
CASY
CASY
Q4 25
0.83×
1.68×
Q3 25
2.51×
1.73×
Q2 25
1.37×
3.40×
Q1 25
0.15×
2.35×
Q4 24
1.68×
1.50×
Q3 24
2.95×
1.56×
Q2 24
0.98×
3.31×
Q1 24
0.29×
1.41×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AON
AON

Commercial Risk Solutions$2.3B54%
Health Solutions$1.1B26%
Wealth Solutions$490.0M11%
Reinsurance Solutions$379.0M9%

CASY
CASY

Segment breakdown not available.

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