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Side-by-side financial comparison of ACNB CORP (ACNB) 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 $47.2M, roughly 91.1× ACNB CORP). Aon plc runs the higher net margin — 39.4% vs 22.9%, a 16.5% gap on every dollar of revenue. On growth, ACNB CORP posted the faster year-over-year revenue change (42.2% vs 3.7%). Aon plc produced more free cash flow last quarter ($1.3B vs $12.6M). Over the past eight quarters, ACNB CORP's revenue compounded faster (22.1% CAGR vs 2.8%).

ACNB Corp is a US-based financial holding company headquartered in Pennsylvania. It provides a full suite of financial solutions including retail and commercial banking, wealth management, trust services, and property & casualty insurance products. Its core market covers local communities, individual consumers, and small-to-medium enterprises across south-central Pennsylvania and northern Maryland.

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.

ACNB vs AON — Head-to-Head

Bigger by revenue
AON
AON
91.1× larger
AON
$4.3B
$47.2M
ACNB
Growing faster (revenue YoY)
ACNB
ACNB
+38.5% gap
ACNB
42.2%
3.7%
AON
Higher net margin
AON
AON
16.5% more per $
AON
39.4%
22.9%
ACNB
More free cash flow
AON
AON
$1.3B more FCF
AON
$1.3B
$12.6M
ACNB
Faster 2-yr revenue CAGR
ACNB
ACNB
Annualised
ACNB
22.1%
2.8%
AON

Income Statement — Q4 2025 vs Q4 2025

Metric
ACNB
ACNB
AON
AON
Revenue
$47.2M
$4.3B
Net Profit
$10.8M
$1.7B
Gross Margin
Operating Margin
27.9%
28.1%
Net Margin
22.9%
39.4%
Revenue YoY
42.2%
3.7%
Net Profit YoY
63.8%
136.5%
EPS (diluted)
$1.10
$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
ACNB
ACNB
AON
AON
Q4 25
$47.2M
$4.3B
Q3 25
$50.9M
$4.0B
Q2 25
$50.3M
$4.2B
Q1 25
$43.5M
$4.7B
Q4 24
$33.2M
$4.1B
Q3 24
$34.1M
$3.7B
Q2 24
$33.3M
$3.8B
Q1 24
$31.6M
$4.1B
Net Profit
ACNB
ACNB
AON
AON
Q4 25
$10.8M
$1.7B
Q3 25
$14.9M
$458.0M
Q2 25
$11.6M
$579.0M
Q1 25
$-272.0K
$965.0M
Q4 24
$6.6M
$716.0M
Q3 24
$7.2M
$343.0M
Q2 24
$11.3M
$524.0M
Q1 24
$6.8M
$1.1B
Operating Margin
ACNB
ACNB
AON
AON
Q4 25
27.9%
28.1%
Q3 25
37.2%
20.4%
Q2 25
29.7%
20.7%
Q1 25
-1.3%
30.9%
Q4 24
24.8%
26.3%
Q3 24
27.6%
16.7%
Q2 24
42.8%
17.4%
Q1 24
26.9%
36.0%
Net Margin
ACNB
ACNB
AON
AON
Q4 25
22.9%
39.4%
Q3 25
29.2%
11.5%
Q2 25
23.2%
13.9%
Q1 25
-0.6%
20.4%
Q4 24
19.9%
17.3%
Q3 24
21.1%
9.2%
Q2 24
33.9%
13.9%
Q1 24
21.4%
26.3%
EPS (diluted)
ACNB
ACNB
AON
AON
Q4 25
$1.10
$7.82
Q3 25
$1.42
$2.11
Q2 25
$1.11
$2.66
Q1 25
$-0.03
$4.43
Q4 24
$0.77
$3.11
Q3 24
$0.84
$1.57
Q2 24
$1.32
$2.46
Q1 24
$0.80
$5.35

Balance Sheet & Financial Strength

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

Metric
ACNB
ACNB
AON
AON
Cash + ST InvestmentsLiquidity on hand
$65.6M
$2.8B
Total DebtLower is stronger
$255.4M
$15.2B
Stockholders' EquityBook value
$420.0M
$9.4B
Total Assets
$3.2B
$50.8B
Debt / EquityLower = less leverage
0.61×
1.63×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACNB
ACNB
AON
AON
Q4 25
$65.6M
$2.8B
Q3 25
$102.1M
$1.3B
Q2 25
$103.1M
$1.4B
Q1 25
$123.6M
$1.3B
Q4 24
$47.3M
$1.3B
Q3 24
$58.1M
$1.3B
Q2 24
$86.3M
$1.2B
Q1 24
$53.1M
$6.4B
Total Debt
ACNB
ACNB
AON
AON
Q4 25
$255.4M
$15.2B
Q3 25
$255.4M
Q2 25
$255.4M
Q1 25
$255.3M
Q4 24
$255.3M
$17.0B
Q3 24
$255.3M
Q2 24
$255.3M
Q1 24
$255.3M
Stockholders' Equity
ACNB
ACNB
AON
AON
Q4 25
$420.0M
$9.4B
Q3 25
$408.6M
$7.9B
Q2 25
$395.2M
$7.8B
Q1 25
$386.9M
$7.0B
Q4 24
$303.3M
$6.1B
Q3 24
$306.8M
$6.2B
Q2 24
$289.3M
$5.9B
Q1 24
$279.9M
$-133.0M
Total Assets
ACNB
ACNB
AON
AON
Q4 25
$3.2B
$50.8B
Q3 25
$3.3B
$51.6B
Q2 25
$3.3B
$54.0B
Q1 25
$3.3B
$50.3B
Q4 24
$2.4B
$49.0B
Q3 24
$2.4B
$49.9B
Q2 24
$2.5B
$51.5B
Q1 24
$2.4B
$40.8B
Debt / Equity
ACNB
ACNB
AON
AON
Q4 25
0.61×
1.63×
Q3 25
0.62×
Q2 25
0.65×
Q1 25
0.66×
Q4 24
0.84×
2.78×
Q3 24
0.83×
Q2 24
0.88×
Q1 24
0.91×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ACNB
ACNB
AON
AON
Operating Cash FlowLast quarter
$12.8M
$1.4B
Free Cash FlowOCF − Capex
$12.6M
$1.3B
FCF MarginFCF / Revenue
26.7%
30.8%
Capex IntensityCapex / Revenue
0.4%
1.7%
Cash ConversionOCF / Net Profit
1.18×
0.83×
TTM Free Cash FlowTrailing 4 quarters
$52.2M
$3.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACNB
ACNB
AON
AON
Q4 25
$12.8M
$1.4B
Q3 25
$23.2M
$1.1B
Q2 25
$17.8M
$796.0M
Q1 25
$-71.0K
$140.0M
Q4 24
$5.7M
$1.2B
Q3 24
$13.6M
$1.0B
Q2 24
$9.7M
$513.0M
Q1 24
$10.8M
$309.0M
Free Cash Flow
ACNB
ACNB
AON
AON
Q4 25
$12.6M
$1.3B
Q3 25
$22.8M
$1.1B
Q2 25
$17.6M
$732.0M
Q1 25
$-730.0K
$84.0M
Q4 24
$5.3M
$1.1B
Q3 24
$13.3M
$951.0M
Q2 24
$9.4M
$460.0M
Q1 24
$10.7M
$261.0M
FCF Margin
ACNB
ACNB
AON
AON
Q4 25
26.7%
30.8%
Q3 25
44.7%
27.0%
Q2 25
35.0%
17.6%
Q1 25
-1.7%
1.8%
Q4 24
16.1%
27.6%
Q3 24
39.1%
25.6%
Q2 24
28.3%
12.2%
Q1 24
33.9%
6.4%
Capex Intensity
ACNB
ACNB
AON
AON
Q4 25
0.4%
1.7%
Q3 25
0.8%
1.7%
Q2 25
0.4%
1.5%
Q1 25
1.5%
1.2%
Q4 24
1.1%
1.3%
Q3 24
0.7%
1.7%
Q2 24
0.9%
1.4%
Q1 24
0.2%
1.2%
Cash Conversion
ACNB
ACNB
AON
AON
Q4 25
1.18×
0.83×
Q3 25
1.56×
2.51×
Q2 25
1.52×
1.37×
Q1 25
0.15×
Q4 24
0.87×
1.68×
Q3 24
1.88×
2.95×
Q2 24
0.86×
0.98×
Q1 24
1.60×
0.29×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ACNB
ACNB

Segment breakdown not available.

AON
AON

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

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