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Side-by-side financial comparison of Aon plc (AON) and Motorola Solutions (MSI). Click either name above to swap in a different company.

Aon plc is the larger business by last-quarter revenue ($4.3B vs $3.4B, roughly 1.3× Motorola Solutions). Aon plc runs the higher net margin — 39.4% vs 19.2%, a 20.2% gap on every dollar of revenue. On growth, Motorola Solutions posted the faster year-over-year revenue change (12.3% vs 3.7%). Aon plc produced more free cash flow last quarter ($1.3B vs $1.1B). Over the past eight quarters, Motorola Solutions's revenue compounded faster (18.9% 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.

Motorola Solutions, Inc., is an American technology company that provides safety and security products and services. Headquartered in Chicago, Illinois, the company provides critical communications, video security, and command center technologies, used by public safety agencies and enterprises. It was formed in 2011 by the division of Motorola, Inc.

AON vs MSI — Head-to-Head

Bigger by revenue
AON
AON
1.3× larger
AON
$4.3B
$3.4B
MSI
Growing faster (revenue YoY)
MSI
MSI
+8.6% gap
MSI
12.3%
3.7%
AON
Higher net margin
AON
AON
20.2% more per $
AON
39.4%
19.2%
MSI
More free cash flow
AON
AON
$181.0M more FCF
AON
$1.3B
$1.1B
MSI
Faster 2-yr revenue CAGR
MSI
MSI
Annualised
MSI
18.9%
2.8%
AON

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AON
AON
MSI
MSI
Revenue
$4.3B
$3.4B
Net Profit
$1.7B
$649.0M
Gross Margin
52.3%
Operating Margin
28.1%
27.9%
Net Margin
39.4%
19.2%
Revenue YoY
3.7%
12.3%
Net Profit YoY
136.5%
6.2%
EPS (diluted)
$7.82
$3.85

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
MSI
MSI
Q4 25
$4.3B
$3.4B
Q3 25
$4.0B
$3.0B
Q2 25
$4.2B
$2.8B
Q1 25
$4.7B
$2.5B
Q4 24
$4.1B
$3.0B
Q3 24
$3.7B
$2.8B
Q2 24
$3.8B
$2.6B
Q1 24
$4.1B
$2.4B
Net Profit
AON
AON
MSI
MSI
Q4 25
$1.7B
$649.0M
Q3 25
$458.0M
$562.0M
Q2 25
$579.0M
$513.0M
Q1 25
$965.0M
$430.0M
Q4 24
$716.0M
$611.0M
Q3 24
$343.0M
$562.0M
Q2 24
$524.0M
$443.0M
Q1 24
$1.1B
$-39.0M
Gross Margin
AON
AON
MSI
MSI
Q4 25
52.3%
Q3 25
51.6%
Q2 25
51.1%
Q1 25
51.4%
Q4 24
51.4%
Q3 24
51.4%
Q2 24
51.0%
Q1 24
49.9%
Operating Margin
AON
AON
MSI
MSI
Q4 25
28.1%
27.9%
Q3 25
20.4%
25.6%
Q2 25
20.7%
25.0%
Q1 25
30.9%
23.0%
Q4 24
26.3%
27.0%
Q3 24
16.7%
25.5%
Q2 24
17.4%
24.5%
Q1 24
36.0%
21.7%
Net Margin
AON
AON
MSI
MSI
Q4 25
39.4%
19.2%
Q3 25
11.5%
18.7%
Q2 25
13.9%
18.6%
Q1 25
20.4%
17.0%
Q4 24
17.3%
20.3%
Q3 24
9.2%
20.1%
Q2 24
13.9%
16.9%
Q1 24
26.3%
-1.6%
EPS (diluted)
AON
AON
MSI
MSI
Q4 25
$7.82
$3.85
Q3 25
$2.11
$3.33
Q2 25
$2.66
$3.04
Q1 25
$4.43
$2.53
Q4 24
$3.11
$3.57
Q3 24
$1.57
$3.29
Q2 24
$2.46
$2.60
Q1 24
$5.35
$-0.23

Balance Sheet & Financial Strength

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

Metric
AON
AON
MSI
MSI
Cash + ST InvestmentsLiquidity on hand
$2.8B
$1.2B
Total DebtLower is stronger
$15.2B
Stockholders' EquityBook value
$9.4B
$2.4B
Total Assets
$50.8B
$19.4B
Debt / EquityLower = less leverage
1.63×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AON
AON
MSI
MSI
Q4 25
$2.8B
$1.2B
Q3 25
$1.3B
$894.0M
Q2 25
$1.4B
$3.2B
Q1 25
$1.3B
$1.6B
Q4 24
$1.3B
$2.1B
Q3 24
$1.3B
$1.4B
Q2 24
$1.2B
$1.4B
Q1 24
$6.4B
$1.5B
Total Debt
AON
AON
MSI
MSI
Q4 25
$15.2B
Q3 25
Q2 25
Q1 25
Q4 24
$17.0B
Q3 24
Q2 24
Q1 24
Stockholders' Equity
AON
AON
MSI
MSI
Q4 25
$9.4B
$2.4B
Q3 25
$7.9B
$2.3B
Q2 25
$7.8B
$2.0B
Q1 25
$7.0B
$1.6B
Q4 24
$6.1B
$1.7B
Q3 24
$6.2B
$1.3B
Q2 24
$5.9B
$802.0M
Q1 24
$-133.0M
$521.0M
Total Assets
AON
AON
MSI
MSI
Q4 25
$50.8B
$19.4B
Q3 25
$51.6B
$18.8B
Q2 25
$54.0B
$16.4B
Q1 25
$50.3B
$14.4B
Q4 24
$49.0B
$14.6B
Q3 24
$49.9B
$13.9B
Q2 24
$51.5B
$13.3B
Q1 24
$40.8B
$13.3B
Debt / Equity
AON
AON
MSI
MSI
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
MSI
MSI
Operating Cash FlowLast quarter
$1.4B
$1.3B
Free Cash FlowOCF − Capex
$1.3B
$1.1B
FCF MarginFCF / Revenue
30.8%
33.8%
Capex IntensityCapex / Revenue
1.7%
3.4%
Cash ConversionOCF / Net Profit
0.83×
1.94×
TTM Free Cash FlowTrailing 4 quarters
$3.2B
$2.6B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AON
AON
MSI
MSI
Q4 25
$1.4B
$1.3B
Q3 25
$1.1B
$798.0M
Q2 25
$796.0M
$273.0M
Q1 25
$140.0M
$510.0M
Q4 24
$1.2B
$1.1B
Q3 24
$1.0B
$759.0M
Q2 24
$513.0M
$180.0M
Q1 24
$309.0M
$382.0M
Free Cash Flow
AON
AON
MSI
MSI
Q4 25
$1.3B
$1.1B
Q3 25
$1.1B
$732.0M
Q2 25
$732.0M
$225.0M
Q1 25
$84.0M
$473.0M
Q4 24
$1.1B
$984.0M
Q3 24
$951.0M
$702.0M
Q2 24
$460.0M
$112.0M
Q1 24
$261.0M
$336.0M
FCF Margin
AON
AON
MSI
MSI
Q4 25
30.8%
33.8%
Q3 25
27.0%
24.3%
Q2 25
17.6%
8.1%
Q1 25
1.8%
18.7%
Q4 24
27.6%
32.7%
Q3 24
25.6%
25.2%
Q2 24
12.2%
4.3%
Q1 24
6.4%
14.1%
Capex Intensity
AON
AON
MSI
MSI
Q4 25
1.7%
3.4%
Q3 25
1.7%
2.2%
Q2 25
1.5%
1.7%
Q1 25
1.2%
1.5%
Q4 24
1.3%
2.9%
Q3 24
1.7%
2.0%
Q2 24
1.4%
2.6%
Q1 24
1.2%
1.9%
Cash Conversion
AON
AON
MSI
MSI
Q4 25
0.83×
1.94×
Q3 25
2.51×
1.42×
Q2 25
1.37×
0.53×
Q1 25
0.15×
1.19×
Q4 24
1.68×
1.75×
Q3 24
2.95×
1.35×
Q2 24
0.98×
0.41×
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%

MSI
MSI

Product And Systems Integration Segment$1.5B45%
Services And Software Segment$833.0M25%
Sales Channel Through Intermediary$772.0M23%
Command Center Software$258.0M8%

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