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Side-by-side financial comparison of Aon plc (AON) and Vertiv Holdings Co (VRT). Click either name above to swap in a different company.

Aon plc is the larger business by last-quarter revenue ($5.0B vs $2.6B, roughly 1.9× Vertiv Holdings Co). Aon plc runs the higher net margin — 24.6% vs 14.7%, a 9.9% gap on every dollar of revenue. On growth, Vertiv Holdings Co posted the faster year-over-year revenue change (30.1% vs 6.0%). Vertiv Holdings Co produced more free cash flow last quarter ($652.8M vs $363.0M). Over the past eight quarters, Vertiv Holdings Co's revenue compounded faster (16.5% CAGR vs 15.7%).

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.

Vertiv is an American multinational provider of critical infrastructure and services for data centers, communication networks, and commercial and industrial environments.

AON vs VRT — Head-to-Head

Bigger by revenue
AON
AON
1.9× larger
AON
$5.0B
$2.6B
VRT
Growing faster (revenue YoY)
VRT
VRT
+24.1% gap
VRT
30.1%
6.0%
AON
Higher net margin
AON
AON
9.9% more per $
AON
24.6%
14.7%
VRT
More free cash flow
VRT
VRT
$289.8M more FCF
VRT
$652.8M
$363.0M
AON
Faster 2-yr revenue CAGR
VRT
VRT
Annualised
VRT
16.5%
15.7%
AON

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
AON
AON
VRT
VRT
Revenue
$5.0B
$2.6B
Net Profit
$1.2B
$390.1M
Gross Margin
37.7%
Operating Margin
34.1%
Net Margin
24.6%
14.7%
Revenue YoY
6.0%
30.1%
Net Profit YoY
25.6%
EPS (diluted)
$5.63
$0.99

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
VRT
VRT
Q1 26
$5.0B
$2.6B
Q4 25
$4.3B
$2.9B
Q3 25
$4.0B
$2.7B
Q2 25
$4.2B
$2.6B
Q1 25
$4.7B
$2.0B
Q4 24
$4.1B
$2.3B
Q3 24
$3.7B
$2.1B
Q2 24
$3.8B
$2.0B
Net Profit
AON
AON
VRT
VRT
Q1 26
$1.2B
$390.1M
Q4 25
$1.7B
$445.6M
Q3 25
$458.0M
$398.5M
Q2 25
$579.0M
$324.2M
Q1 25
$965.0M
$164.5M
Q4 24
$716.0M
$147.0M
Q3 24
$343.0M
$176.6M
Q2 24
$524.0M
$178.1M
Gross Margin
AON
AON
VRT
VRT
Q1 26
37.7%
Q4 25
38.9%
Q3 25
37.8%
Q2 25
34.0%
Q1 25
33.7%
Q4 24
37.1%
Q3 24
36.5%
Q2 24
38.0%
Operating Margin
AON
AON
VRT
VRT
Q1 26
34.1%
Q4 25
28.1%
20.1%
Q3 25
20.4%
19.3%
Q2 25
20.7%
16.8%
Q1 25
30.9%
14.3%
Q4 24
26.3%
19.5%
Q3 24
16.7%
17.9%
Q2 24
17.4%
17.2%
Net Margin
AON
AON
VRT
VRT
Q1 26
24.6%
14.7%
Q4 25
39.4%
15.5%
Q3 25
11.5%
14.9%
Q2 25
13.9%
12.3%
Q1 25
20.4%
8.1%
Q4 24
17.3%
6.3%
Q3 24
9.2%
8.5%
Q2 24
13.9%
9.1%
EPS (diluted)
AON
AON
VRT
VRT
Q1 26
$5.63
$0.99
Q4 25
$7.82
$1.14
Q3 25
$2.11
$1.02
Q2 25
$2.66
$0.83
Q1 25
$4.43
$0.42
Q4 24
$3.11
$0.38
Q3 24
$1.57
$0.46
Q2 24
$2.46
$0.46

Balance Sheet & Financial Strength

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

Metric
AON
AON
VRT
VRT
Cash + ST InvestmentsLiquidity on hand
$1.4M
$2.5B
Total DebtLower is stronger
$13.5M
$0
Stockholders' EquityBook value
$10.0M
$4.2B
Total Assets
$51.4M
$13.4B
Debt / EquityLower = less leverage
1.36×
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AON
AON
VRT
VRT
Q1 26
$1.4M
$2.5B
Q4 25
$2.8B
$1.7B
Q3 25
$1.3B
$1.4B
Q2 25
$1.4B
$1.6B
Q1 25
$1.3B
$1.5B
Q4 24
$1.3B
$1.2B
Q3 24
$1.3B
$908.7M
Q2 24
$1.2B
$579.7M
Total Debt
AON
AON
VRT
VRT
Q1 26
$13.5M
$0
Q4 25
$15.2B
$2.9B
Q3 25
$2.9B
Q2 25
$2.9B
Q1 25
$2.9B
Q4 24
$17.0B
$2.9B
Q3 24
$2.9B
Q2 24
$2.9B
Stockholders' Equity
AON
AON
VRT
VRT
Q1 26
$10.0M
$4.2B
Q4 25
$9.4B
$3.9B
Q3 25
$7.9B
$3.5B
Q2 25
$7.8B
$3.1B
Q1 25
$7.0B
$2.7B
Q4 24
$6.1B
$2.4B
Q3 24
$6.2B
$1.8B
Q2 24
$5.9B
$1.5B
Total Assets
AON
AON
VRT
VRT
Q1 26
$51.4M
$13.4B
Q4 25
$50.8B
$12.2B
Q3 25
$51.6B
$10.8B
Q2 25
$54.0B
$10.4B
Q1 25
$50.3B
$9.5B
Q4 24
$49.0B
$9.1B
Q3 24
$49.9B
$8.9B
Q2 24
$51.5B
$8.1B
Debt / Equity
AON
AON
VRT
VRT
Q1 26
1.36×
0.00×
Q4 25
1.63×
0.74×
Q3 25
0.83×
Q2 25
0.93×
Q1 25
1.10×
Q4 24
2.78×
1.20×
Q3 24
1.62×
Q2 24
1.91×

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
VRT
VRT
Operating Cash FlowLast quarter
Free Cash FlowOCF − Capex
$363.0M
$652.8M
FCF MarginFCF / Revenue
7.2%
24.6%
Capex IntensityCapex / Revenue
1.3%
4.2%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$3.5B
$2.3B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AON
AON
VRT
VRT
Q1 26
Q4 25
$1.4B
$978.9M
Q3 25
$1.1B
$508.7M
Q2 25
$796.0M
$322.9M
Q1 25
$140.0M
$303.3M
Q4 24
$1.2B
$425.2M
Q3 24
$1.0B
$378.2M
Q2 24
$513.0M
$378.4M
Free Cash Flow
AON
AON
VRT
VRT
Q1 26
$363.0M
$652.8M
Q4 25
$1.3B
$885.6M
Q3 25
$1.1B
$463.5M
Q2 25
$732.0M
$277.9M
Q1 25
$84.0M
$266.8M
Q4 24
$1.1B
$364.5M
Q3 24
$951.0M
$341.8M
Q2 24
$460.0M
$344.3M
FCF Margin
AON
AON
VRT
VRT
Q1 26
7.2%
24.6%
Q4 25
30.8%
30.8%
Q3 25
27.0%
17.3%
Q2 25
17.6%
10.5%
Q1 25
1.8%
13.1%
Q4 24
27.6%
15.5%
Q3 24
25.6%
16.5%
Q2 24
12.2%
17.6%
Capex Intensity
AON
AON
VRT
VRT
Q1 26
1.3%
4.2%
Q4 25
1.7%
3.2%
Q3 25
1.7%
1.7%
Q2 25
1.5%
1.7%
Q1 25
1.2%
1.8%
Q4 24
1.3%
2.6%
Q3 24
1.7%
1.8%
Q2 24
1.4%
1.7%
Cash Conversion
AON
AON
VRT
VRT
Q1 26
Q4 25
0.83×
2.20×
Q3 25
2.51×
1.28×
Q2 25
1.37×
1.00×
Q1 25
0.15×
1.84×
Q4 24
1.68×
2.89×
Q3 24
2.95×
2.14×
Q2 24
0.98×
2.12×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AON
AON

Commercial Risk Solutions$2.2B44%
Reinsurance Solutions$1.3B25%
Health Solutions$1.1B22%
Wealth Solutions$420.0M8%

VRT
VRT

Segment breakdown not available.

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