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

Aon plc is the larger business by last-quarter revenue ($4.3B vs $131.6M, roughly 32.7× Hercules Capital, Inc.). Hercules Capital, Inc. runs the higher net margin — 69.0% vs 39.4%, a 29.7% gap on every dollar of revenue. On growth, Hercules Capital, Inc. posted the faster year-over-year revenue change (14.6% vs 3.7%). Aon plc produced more free cash flow last quarter ($1.3B vs $-55.6M). Over the past eight quarters, Hercules Capital, Inc.'s revenue compounded faster (6.6% 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.

Hercules, Inc. was a chemical and munitions manufacturing company based in Wilmington, Delaware, United States, incorporated in 1912 as the Hercules Powder Company following the breakup of the DuPont explosives monopoly by the U.S. Circuit Court in 1911. Hercules Powder Company became Hercules, Inc. in 1966, operating under this name until 2008, when it was merged into Ashland Inc.

AON vs HTGC — Head-to-Head

Bigger by revenue
AON
AON
32.7× larger
AON
$4.3B
$131.6M
HTGC
Growing faster (revenue YoY)
HTGC
HTGC
+10.9% gap
HTGC
14.6%
3.7%
AON
Higher net margin
HTGC
HTGC
29.7% more per $
HTGC
69.0%
39.4%
AON
More free cash flow
AON
AON
$1.4B more FCF
AON
$1.3B
$-55.6M
HTGC
Faster 2-yr revenue CAGR
HTGC
HTGC
Annualised
HTGC
6.6%
2.8%
AON

Income Statement — Q4 2025 vs Q4 2025

Metric
AON
AON
HTGC
HTGC
Revenue
$4.3B
$131.6M
Net Profit
$1.7B
$90.8M
Gross Margin
Operating Margin
28.1%
Net Margin
39.4%
69.0%
Revenue YoY
3.7%
14.6%
Net Profit YoY
136.5%
47.8%
EPS (diluted)
$7.82
$0.50

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
HTGC
HTGC
Q4 25
$4.3B
$131.6M
Q3 25
$4.0B
$131.2M
Q2 25
$4.2B
$129.6M
Q1 25
$4.7B
$115.6M
Q4 24
$4.1B
$114.8M
Q3 24
$3.7B
$119.0M
Q2 24
$3.8B
$117.5M
Q1 24
$4.1B
$115.8M
Net Profit
AON
AON
HTGC
HTGC
Q4 25
$1.7B
$90.8M
Q3 25
$458.0M
$119.7M
Q2 25
$579.0M
$78.9M
Q1 25
$965.0M
$50.3M
Q4 24
$716.0M
$61.4M
Q3 24
$343.0M
$68.7M
Q2 24
$524.0M
$41.9M
Q1 24
$1.1B
$91.0M
Operating Margin
AON
AON
HTGC
HTGC
Q4 25
28.1%
Q3 25
20.4%
Q2 25
20.7%
Q1 25
30.9%
Q4 24
26.3%
Q3 24
16.7%
Q2 24
17.4%
Q1 24
36.0%
Net Margin
AON
AON
HTGC
HTGC
Q4 25
39.4%
69.0%
Q3 25
11.5%
91.3%
Q2 25
13.9%
60.9%
Q1 25
20.4%
43.6%
Q4 24
17.3%
53.5%
Q3 24
9.2%
57.7%
Q2 24
13.9%
35.6%
Q1 24
26.3%
78.6%
EPS (diluted)
AON
AON
HTGC
HTGC
Q4 25
$7.82
$0.50
Q3 25
$2.11
$0.63
Q2 25
$2.66
$0.43
Q1 25
$4.43
$0.29
Q4 24
$3.11
$0.37
Q3 24
$1.57
$0.42
Q2 24
$2.46
$0.25
Q1 24
$5.35
$0.57

Balance Sheet & Financial Strength

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

Metric
AON
AON
HTGC
HTGC
Cash + ST InvestmentsLiquidity on hand
$2.8B
$56.9M
Total DebtLower is stronger
$15.2B
$2.3B
Stockholders' EquityBook value
$9.4B
$2.2B
Total Assets
$50.8B
$4.6B
Debt / EquityLower = less leverage
1.63×
1.03×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AON
AON
HTGC
HTGC
Q4 25
$2.8B
$56.9M
Q3 25
$1.3B
$29.3M
Q2 25
$1.4B
$52.1M
Q1 25
$1.3B
$49.4M
Q4 24
$1.3B
$42.7M
Q3 24
$1.3B
$38.9M
Q2 24
$1.2B
$27.7M
Q1 24
$6.4B
$50.2M
Total Debt
AON
AON
HTGC
HTGC
Q4 25
$15.2B
$2.3B
Q3 25
$2.2B
Q2 25
$2.1B
Q1 25
$2.0B
Q4 24
$17.0B
$1.8B
Q3 24
$1.7B
Q2 24
$1.7B
Q1 24
$1.8B
Stockholders' Equity
AON
AON
HTGC
HTGC
Q4 25
$9.4B
$2.2B
Q3 25
$7.9B
$2.2B
Q2 25
$7.8B
$2.2B
Q1 25
$7.0B
$2.0B
Q4 24
$6.1B
$2.0B
Q3 24
$6.2B
$1.9B
Q2 24
$5.9B
$1.9B
Q1 24
$-133.0M
$1.9B
Total Assets
AON
AON
HTGC
HTGC
Q4 25
$50.8B
$4.6B
Q3 25
$51.6B
$4.4B
Q2 25
$54.0B
$4.3B
Q1 25
$50.3B
$4.0B
Q4 24
$49.0B
$3.8B
Q3 24
$49.9B
$3.7B
Q2 24
$51.5B
$3.7B
Q1 24
$40.8B
$3.7B
Debt / Equity
AON
AON
HTGC
HTGC
Q4 25
1.63×
1.03×
Q3 25
0.98×
Q2 25
0.96×
Q1 25
0.99×
Q4 24
2.78×
0.89×
Q3 24
0.94×
Q2 24
0.94×
Q1 24
0.93×

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
HTGC
HTGC
Operating Cash FlowLast quarter
$1.4B
$-55.6M
Free Cash FlowOCF − Capex
$1.3B
$-55.6M
FCF MarginFCF / Revenue
30.8%
-42.3%
Capex IntensityCapex / Revenue
1.7%
0.0%
Cash ConversionOCF / Net Profit
0.83×
-0.61×
TTM Free Cash FlowTrailing 4 quarters
$3.2B
$-425.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AON
AON
HTGC
HTGC
Q4 25
$1.4B
$-55.6M
Q3 25
$1.1B
$-3.2M
Q2 25
$796.0M
$-144.8M
Q1 25
$140.0M
$-222.2M
Q4 24
$1.2B
$-29.2M
Q3 24
$1.0B
$92.6M
Q2 24
$513.0M
$59.5M
Q1 24
$309.0M
$-240.9M
Free Cash Flow
AON
AON
HTGC
HTGC
Q4 25
$1.3B
$-55.6M
Q3 25
$1.1B
$-3.2M
Q2 25
$732.0M
$-144.8M
Q1 25
$84.0M
$-222.2M
Q4 24
$1.1B
$-29.2M
Q3 24
$951.0M
$92.5M
Q2 24
$460.0M
$59.1M
Q1 24
$261.0M
$-241.2M
FCF Margin
AON
AON
HTGC
HTGC
Q4 25
30.8%
-42.3%
Q3 25
27.0%
-2.4%
Q2 25
17.6%
-111.8%
Q1 25
1.8%
-192.3%
Q4 24
27.6%
-25.5%
Q3 24
25.6%
77.7%
Q2 24
12.2%
50.3%
Q1 24
6.4%
-208.3%
Capex Intensity
AON
AON
HTGC
HTGC
Q4 25
1.7%
0.0%
Q3 25
1.7%
0.0%
Q2 25
1.5%
0.0%
Q1 25
1.2%
0.0%
Q4 24
1.3%
0.0%
Q3 24
1.7%
0.0%
Q2 24
1.4%
0.3%
Q1 24
1.2%
0.3%
Cash Conversion
AON
AON
HTGC
HTGC
Q4 25
0.83×
-0.61×
Q3 25
2.51×
-0.03×
Q2 25
1.37×
-1.84×
Q1 25
0.15×
-4.41×
Q4 24
1.68×
-0.48×
Q3 24
2.95×
1.35×
Q2 24
0.98×
1.42×
Q1 24
0.29×
-2.65×

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%

HTGC
HTGC

Segment breakdown not available.

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