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Side-by-side financial comparison of Aon plc (AON) and Neptune Insurance Holdings Inc. (NP). Click either name above to swap in a different company.

Aon plc is the larger business by last-quarter revenue ($4.3B vs $37.8M, roughly 113.8× Neptune Insurance Holdings Inc.). Aon plc runs the higher net margin — 39.4% vs 0.1%, a 39.2% gap on every dollar of revenue. On growth, Neptune Insurance Holdings Inc. posted the faster year-over-year revenue change (28.8% vs 3.7%).

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.

Neptune Insurance Holdings Inc. is a specialty insurance holding company that offers a broad portfolio of property and casualty insurance products, with a core focus on residential and commercial flood insurance for customers across the United States. It serves both individual consumers and small to mid-sized business clients, using advanced data analytics to support accurate policy pricing and robust risk management.

AON vs NP — Head-to-Head

Bigger by revenue
AON
AON
113.8× larger
AON
$4.3B
$37.8M
NP
Growing faster (revenue YoY)
NP
NP
+25.1% gap
NP
28.8%
3.7%
AON
Higher net margin
AON
AON
39.2% more per $
AON
39.4%
0.1%
NP

Income Statement — Q4 2025 vs Q1 2026

Metric
AON
AON
NP
NP
Revenue
$4.3B
$37.8M
Net Profit
$1.7B
$50.0K
Gross Margin
Operating Margin
28.1%
Net Margin
39.4%
0.1%
Revenue YoY
3.7%
28.8%
Net Profit YoY
136.5%
0.0%
EPS (diluted)
$7.82
$0.05

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
NP
NP
Q1 26
$37.8M
Q4 25
$4.3B
Q3 25
$4.0B
$44.4M
Q2 25
$4.2B
Q1 25
$4.7B
Q4 24
$4.1B
Q3 24
$3.7B
$33.8M
Q2 24
$3.8B
Net Profit
AON
AON
NP
NP
Q1 26
$50.0K
Q4 25
$1.7B
Q3 25
$458.0M
$11.5M
Q2 25
$579.0M
Q1 25
$965.0M
Q4 24
$716.0M
Q3 24
$343.0M
$12.1M
Q2 24
$524.0M
Operating Margin
AON
AON
NP
NP
Q1 26
Q4 25
28.1%
Q3 25
20.4%
46.7%
Q2 25
20.7%
Q1 25
30.9%
Q4 24
26.3%
Q3 24
16.7%
58.6%
Q2 24
17.4%
Net Margin
AON
AON
NP
NP
Q1 26
0.1%
Q4 25
39.4%
Q3 25
11.5%
25.9%
Q2 25
13.9%
Q1 25
20.4%
Q4 24
17.3%
Q3 24
9.2%
35.8%
Q2 24
13.9%
EPS (diluted)
AON
AON
NP
NP
Q1 26
$0.05
Q4 25
$7.82
Q3 25
$2.11
$0.06
Q2 25
$2.66
Q1 25
$4.43
Q4 24
$3.11
Q3 24
$1.57
$0.06
Q2 24
$2.46

Balance Sheet & Financial Strength

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

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

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AON
AON
NP
NP
Q1 26
Q4 25
$2.8B
Q3 25
$1.3B
$12.2M
Q2 25
$1.4B
Q1 25
$1.3B
Q4 24
$1.3B
Q3 24
$1.3B
Q2 24
$1.2B
Total Debt
AON
AON
NP
NP
Q1 26
Q4 25
$15.2B
Q3 25
$247.6M
Q2 25
Q1 25
Q4 24
$17.0B
Q3 24
Q2 24
Stockholders' Equity
AON
AON
NP
NP
Q1 26
Q4 25
$9.4B
Q3 25
$7.9B
$-509.5M
Q2 25
$7.8B
Q1 25
$7.0B
Q4 24
$6.1B
Q3 24
$6.2B
$-374.3M
Q2 24
$5.9B
Total Assets
AON
AON
NP
NP
Q1 26
Q4 25
$50.8B
Q3 25
$51.6B
$89.6M
Q2 25
$54.0B
Q1 25
$50.3B
Q4 24
$49.0B
Q3 24
$49.9B
Q2 24
$51.5B
Debt / Equity
AON
AON
NP
NP
Q1 26
Q4 25
1.63×
Q3 25
Q2 25
Q1 25
Q4 24
2.78×
Q3 24
Q2 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
NP
NP
Operating Cash FlowLast quarter
$1.4B
Free Cash FlowOCF − Capex
$1.3B
FCF MarginFCF / Revenue
30.8%
Capex IntensityCapex / Revenue
1.7%
Cash ConversionOCF / Net Profit
0.83×
TTM Free Cash FlowTrailing 4 quarters
$3.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AON
AON
NP
NP
Q1 26
Q4 25
$1.4B
Q3 25
$1.1B
Q2 25
$796.0M
Q1 25
$140.0M
Q4 24
$1.2B
Q3 24
$1.0B
Q2 24
$513.0M
Free Cash Flow
AON
AON
NP
NP
Q1 26
Q4 25
$1.3B
Q3 25
$1.1B
Q2 25
$732.0M
Q1 25
$84.0M
Q4 24
$1.1B
Q3 24
$951.0M
Q2 24
$460.0M
FCF Margin
AON
AON
NP
NP
Q1 26
Q4 25
30.8%
Q3 25
27.0%
Q2 25
17.6%
Q1 25
1.8%
Q4 24
27.6%
Q3 24
25.6%
Q2 24
12.2%
Capex Intensity
AON
AON
NP
NP
Q1 26
Q4 25
1.7%
Q3 25
1.7%
Q2 25
1.5%
Q1 25
1.2%
Q4 24
1.3%
Q3 24
1.7%
Q2 24
1.4%
Cash Conversion
AON
AON
NP
NP
Q1 26
Q4 25
0.83×
Q3 25
2.51×
Q2 25
1.37×
Q1 25
0.15×
Q4 24
1.68×
Q3 24
2.95×
Q2 24
0.98×

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%

NP
NP

Segment breakdown not available.

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