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

Aon plc is the larger business by last-quarter revenue ($4.3B vs $3.7B, roughly 1.2× Amrize Ltd). Aon plc runs the higher net margin — 39.4% vs 14.8%, a 24.5% gap on every dollar of revenue. On growth, Amrize Ltd posted the faster year-over-year revenue change (6.6% vs 3.7%). Aon plc produced more free cash flow last quarter ($1.3B vs $669.0M).

Holcim is a Swiss-based global building materials and aggregates flagship division of the Holcim Group. The original company was merged on 10 July 2015 with Lafarge to form LafargeHolcim as the new company and renamed to Holcim Group in 2021. The Holcim brand remained active within the group when the merger was completed.

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.

AMRZ vs AON — Head-to-Head

Bigger by revenue
AON
AON
1.2× larger
AON
$4.3B
$3.7B
AMRZ
Growing faster (revenue YoY)
AMRZ
AMRZ
+3.0% gap
AMRZ
6.6%
3.7%
AON
Higher net margin
AON
AON
24.5% more per $
AON
39.4%
14.8%
AMRZ
More free cash flow
AON
AON
$654.0M more FCF
AON
$1.3B
$669.0M
AMRZ

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
AMRZ
AMRZ
AON
AON
Revenue
$3.7B
$4.3B
Net Profit
$545.0M
$1.7B
Gross Margin
29.6%
Operating Margin
21.2%
28.1%
Net Margin
14.8%
39.4%
Revenue YoY
6.6%
3.7%
Net Profit YoY
-1.4%
136.5%
EPS (diluted)
$0.98
$7.82

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
AMRZ
AMRZ
AON
AON
Q4 25
$4.3B
Q3 25
$3.7B
$4.0B
Q2 25
$3.2B
$4.2B
Q1 25
$4.7B
Q4 24
$4.1B
Q3 24
$3.4B
$3.7B
Q2 24
$3.2B
$3.8B
Q1 24
$4.1B
Net Profit
AMRZ
AMRZ
AON
AON
Q4 25
$1.7B
Q3 25
$545.0M
$458.0M
Q2 25
$429.0M
$579.0M
Q1 25
$965.0M
Q4 24
$716.0M
Q3 24
$553.0M
$343.0M
Q2 24
$474.0M
$524.0M
Q1 24
$1.1B
Gross Margin
AMRZ
AMRZ
AON
AON
Q4 25
Q3 25
29.6%
Q2 25
30.0%
Q1 25
Q4 24
Q3 24
30.2%
Q2 24
30.2%
Q1 24
Operating Margin
AMRZ
AMRZ
AON
AON
Q4 25
28.1%
Q3 25
21.2%
20.4%
Q2 25
20.8%
20.7%
Q1 25
30.9%
Q4 24
26.3%
Q3 24
24.5%
16.7%
Q2 24
23.3%
17.4%
Q1 24
36.0%
Net Margin
AMRZ
AMRZ
AON
AON
Q4 25
39.4%
Q3 25
14.8%
11.5%
Q2 25
13.3%
13.9%
Q1 25
20.4%
Q4 24
17.3%
Q3 24
16.0%
9.2%
Q2 24
14.6%
13.9%
Q1 24
26.3%
EPS (diluted)
AMRZ
AMRZ
AON
AON
Q4 25
$7.82
Q3 25
$0.98
$2.11
Q2 25
$0.78
$2.66
Q1 25
$4.43
Q4 24
$3.11
Q3 24
$1.00
$1.57
Q2 24
$0.86
$2.46
Q1 24
$5.35

Balance Sheet & Financial Strength

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

Metric
AMRZ
AMRZ
AON
AON
Cash + ST InvestmentsLiquidity on hand
$826.0M
$2.8B
Total DebtLower is stronger
$15.2B
Stockholders' EquityBook value
$12.9B
$9.4B
Total Assets
$24.0B
$50.8B
Debt / EquityLower = less leverage
1.63×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMRZ
AMRZ
AON
AON
Q4 25
$2.8B
Q3 25
$826.0M
$1.3B
Q2 25
$601.0M
$1.4B
Q1 25
$1.3B
Q4 24
$1.3B
Q3 24
$1.3B
Q2 24
$1.2B
Q1 24
$6.4B
Total Debt
AMRZ
AMRZ
AON
AON
Q4 25
$15.2B
Q3 25
Q2 25
Q1 25
Q4 24
$17.0B
Q3 24
Q2 24
Q1 24
Stockholders' Equity
AMRZ
AMRZ
AON
AON
Q4 25
$9.4B
Q3 25
$12.9B
$7.9B
Q2 25
$12.4B
$7.8B
Q1 25
$7.0B
Q4 24
$6.1B
Q3 24
$9.8B
$6.2B
Q2 24
$9.3B
$5.9B
Q1 24
$-133.0M
Total Assets
AMRZ
AMRZ
AON
AON
Q4 25
$50.8B
Q3 25
$24.0B
$51.6B
Q2 25
$23.8B
$54.0B
Q1 25
$50.3B
Q4 24
$49.0B
Q3 24
$49.9B
Q2 24
$51.5B
Q1 24
$40.8B
Debt / Equity
AMRZ
AMRZ
AON
AON
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
AMRZ
AMRZ
AON
AON
Operating Cash FlowLast quarter
$854.0M
$1.4B
Free Cash FlowOCF − Capex
$669.0M
$1.3B
FCF MarginFCF / Revenue
18.2%
30.8%
Capex IntensityCapex / Revenue
5.0%
1.7%
Cash ConversionOCF / Net Profit
1.57×
0.83×
TTM Free Cash FlowTrailing 4 quarters
$3.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMRZ
AMRZ
AON
AON
Q4 25
$1.4B
Q3 25
$854.0M
$1.1B
Q2 25
$796.0M
Q1 25
$140.0M
Q4 24
$1.2B
Q3 24
$1.0B
Q2 24
$513.0M
Q1 24
$309.0M
Free Cash Flow
AMRZ
AMRZ
AON
AON
Q4 25
$1.3B
Q3 25
$669.0M
$1.1B
Q2 25
$732.0M
Q1 25
$84.0M
Q4 24
$1.1B
Q3 24
$951.0M
Q2 24
$460.0M
Q1 24
$261.0M
FCF Margin
AMRZ
AMRZ
AON
AON
Q4 25
30.8%
Q3 25
18.2%
27.0%
Q2 25
17.6%
Q1 25
1.8%
Q4 24
27.6%
Q3 24
25.6%
Q2 24
12.2%
Q1 24
6.4%
Capex Intensity
AMRZ
AMRZ
AON
AON
Q4 25
1.7%
Q3 25
5.0%
1.7%
Q2 25
1.5%
Q1 25
1.2%
Q4 24
1.3%
Q3 24
1.7%
Q2 24
1.4%
Q1 24
1.2%
Cash Conversion
AMRZ
AMRZ
AON
AON
Q4 25
0.83×
Q3 25
1.57×
2.51×
Q2 25
1.37×
Q1 25
0.15×
Q4 24
1.68×
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

AMRZ
AMRZ

Building Materials$2.8B75%
Building Envelope$901.0M25%
Equity Method Investee$5.0M0%

AON
AON

Commercial Risk Solutions$2.3B54%
Health Solutions$1.1B26%
Wealth Solutions$490.0M11%
Reinsurance Solutions$379.0M9%

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