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Side-by-side financial comparison of Aon plc (AON) and eHealth, Inc. (EHTH). Click either name above to swap in a different company.

Aon plc is the larger business by last-quarter revenue ($4.3B vs $326.2M, roughly 13.2× eHealth, Inc.). Aon plc runs the higher net margin — 39.4% vs 26.7%, a 12.6% gap on every dollar of revenue. On growth, Aon plc posted the faster year-over-year revenue change (3.7% vs 3.5%). Aon plc produced more free cash flow last quarter ($1.3B vs $-36.1M). Over the past eight quarters, eHealth, Inc.'s revenue compounded faster (87.3% 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.

eHealth, Inc., doing business as eHealthInsurance, is a publicly traded online marketplace for health insurance, organized in Delaware and based in Santa Clara, California. The company primarily provides plans related to Medicare such as prescription drug plans, Medigap, and Medicare Advantage plans. The company also sells individual plans, competing with health insurance marketplaces. The company sells plans in all 50 U.S. states and the District of Columbia from 170 health insurance carrier...

AON vs EHTH — Head-to-Head

Bigger by revenue
AON
AON
13.2× larger
AON
$4.3B
$326.2M
EHTH
Growing faster (revenue YoY)
AON
AON
+0.2% gap
AON
3.7%
3.5%
EHTH
Higher net margin
AON
AON
12.6% more per $
AON
39.4%
26.7%
EHTH
More free cash flow
AON
AON
$1.4B more FCF
AON
$1.3B
$-36.1M
EHTH
Faster 2-yr revenue CAGR
EHTH
EHTH
Annualised
EHTH
87.3%
2.8%
AON

Income Statement — Q4 2025 vs Q4 2025

Metric
AON
AON
EHTH
EHTH
Revenue
$4.3B
$326.2M
Net Profit
$1.7B
$87.2M
Gross Margin
55.3%
Operating Margin
28.1%
38.7%
Net Margin
39.4%
26.7%
Revenue YoY
3.7%
3.5%
Net Profit YoY
136.5%
-10.6%
EPS (diluted)
$7.82
$2.43

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
EHTH
EHTH
Q4 25
$4.3B
$326.2M
Q3 25
$4.0B
$53.9M
Q2 25
$4.2B
$60.8M
Q1 25
$4.7B
$113.1M
Q4 24
$4.1B
$315.2M
Q3 24
$3.7B
$58.4M
Q2 24
$3.8B
$65.9M
Q1 24
$4.1B
$93.0M
Net Profit
AON
AON
EHTH
EHTH
Q4 25
$1.7B
$87.2M
Q3 25
$458.0M
$-31.7M
Q2 25
$579.0M
$-17.4M
Q1 25
$965.0M
$1.9M
Q4 24
$716.0M
$97.5M
Q3 24
$343.0M
$-42.5M
Q2 24
$524.0M
$-28.0M
Q1 24
$1.1B
$-17.0M
Gross Margin
AON
AON
EHTH
EHTH
Q4 25
55.3%
Q3 25
-0.3%
Q2 25
31.1%
Q1 25
36.9%
Q4 24
52.0%
Q3 24
-6.5%
Q2 24
28.7%
Q1 24
31.7%
Operating Margin
AON
AON
EHTH
EHTH
Q4 25
28.1%
38.7%
Q3 25
20.4%
-77.1%
Q2 25
20.7%
-37.9%
Q1 25
30.9%
4.2%
Q4 24
26.3%
35.7%
Q3 24
16.7%
-74.0%
Q2 24
17.4%
-42.5%
Q1 24
36.0%
-19.3%
Net Margin
AON
AON
EHTH
EHTH
Q4 25
39.4%
26.7%
Q3 25
11.5%
-58.8%
Q2 25
13.9%
-28.6%
Q1 25
20.4%
1.7%
Q4 24
17.3%
30.9%
Q3 24
9.2%
-72.7%
Q2 24
13.9%
-42.5%
Q1 24
26.3%
-18.3%
EPS (diluted)
AON
AON
EHTH
EHTH
Q4 25
$7.82
$2.43
Q3 25
$2.11
$-1.46
Q2 25
$2.66
$-0.98
Q1 25
$4.43
$-0.33
Q4 24
$3.11
$2.93
Q3 24
$1.57
$-1.83
Q2 24
$2.46
$-1.33
Q1 24
$5.35
$-0.96

Balance Sheet & Financial Strength

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

Metric
AON
AON
EHTH
EHTH
Cash + ST InvestmentsLiquidity on hand
$2.8B
$73.7M
Total DebtLower is stronger
$15.2B
Stockholders' EquityBook value
$9.4B
$591.6M
Total Assets
$50.8B
$1.3B
Debt / EquityLower = less leverage
1.63×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AON
AON
EHTH
EHTH
Q4 25
$2.8B
$73.7M
Q3 25
$1.3B
$63.1M
Q2 25
$1.4B
$65.9M
Q1 25
$1.3B
$121.1M
Q4 24
$1.3B
$39.2M
Q3 24
$1.3B
$64.0M
Q2 24
$1.2B
$126.3M
Q1 24
$6.4B
$175.0M
Total Debt
AON
AON
EHTH
EHTH
Q4 25
$15.2B
Q3 25
Q2 25
Q1 25
Q4 24
$17.0B
Q3 24
Q2 24
Q1 24
Stockholders' Equity
AON
AON
EHTH
EHTH
Q4 25
$9.4B
$591.6M
Q3 25
$7.9B
$514.2M
Q2 25
$7.8B
$554.9M
Q1 25
$7.0B
$581.6M
Q4 24
$6.1B
$588.4M
Q3 24
$6.2B
$499.3M
Q2 24
$5.9B
$548.9M
Q1 24
$-133.0M
$582.8M
Total Assets
AON
AON
EHTH
EHTH
Q4 25
$50.8B
$1.3B
Q3 25
$51.6B
$1.0B
Q2 25
$54.0B
$1.1B
Q1 25
$50.3B
$1.1B
Q4 24
$49.0B
$1.2B
Q3 24
$49.9B
$1.0B
Q2 24
$51.5B
$1.0B
Q1 24
$40.8B
$1.1B
Debt / Equity
AON
AON
EHTH
EHTH
Q4 25
1.63×
Q3 25
Q2 25
Q1 25
Q4 24
2.78×
Q3 24
Q2 24
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
EHTH
EHTH
Operating Cash FlowLast quarter
$1.4B
$-35.9M
Free Cash FlowOCF − Capex
$1.3B
$-36.1M
FCF MarginFCF / Revenue
30.8%
-11.1%
Capex IntensityCapex / Revenue
1.7%
0.0%
Cash ConversionOCF / Net Profit
0.83×
-0.41×
TTM Free Cash FlowTrailing 4 quarters
$3.2B
$-27.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AON
AON
EHTH
EHTH
Q4 25
$1.4B
$-35.9M
Q3 25
$1.1B
$-25.3M
Q2 25
$796.0M
$-41.2M
Q1 25
$140.0M
$77.1M
Q4 24
$1.2B
$-27.7M
Q3 24
$1.0B
$-29.3M
Q2 24
$513.0M
$-32.2M
Q1 24
$309.0M
$70.8M
Free Cash Flow
AON
AON
EHTH
EHTH
Q4 25
$1.3B
$-36.1M
Q3 25
$1.1B
$-25.5M
Q2 25
$732.0M
$-42.8M
Q1 25
$84.0M
$76.8M
Q4 24
$1.1B
$-28.3M
Q3 24
$951.0M
$-30.3M
Q2 24
$460.0M
$-32.4M
Q1 24
$261.0M
$70.6M
FCF Margin
AON
AON
EHTH
EHTH
Q4 25
30.8%
-11.1%
Q3 25
27.0%
-47.4%
Q2 25
17.6%
-70.4%
Q1 25
1.8%
67.9%
Q4 24
27.6%
-9.0%
Q3 24
25.6%
-51.8%
Q2 24
12.2%
-49.3%
Q1 24
6.4%
75.9%
Capex Intensity
AON
AON
EHTH
EHTH
Q4 25
1.7%
0.0%
Q3 25
1.7%
0.4%
Q2 25
1.5%
2.6%
Q1 25
1.2%
0.3%
Q4 24
1.3%
0.2%
Q3 24
1.7%
1.7%
Q2 24
1.4%
0.4%
Q1 24
1.2%
0.2%
Cash Conversion
AON
AON
EHTH
EHTH
Q4 25
0.83×
-0.41×
Q3 25
2.51×
Q2 25
1.37×
Q1 25
0.15×
39.55×
Q4 24
1.68×
-0.28×
Q3 24
2.95×
Q2 24
0.98×
Q1 24
0.29×

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%

EHTH
EHTH

Medicare$282.7M87%
Other$29.2M9%
Ancillaries$7.9M2%
Commission Members Approved In Prior Periods$3.8M1%
Small Business$3.1M1%
Commission Revenue From Renewals$2.4M1%

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