Company

Aon plc (AON)

Standardized SEC financial data for Aon plc — income statement, balance sheet, cash flow and 40+ ratios, available as a clean JSON API. CIK 0000315293 · NYSE · Insurance Agents, Brokers & Service.

Operating margin

25.3%

Net margin

21.5%

Revenue growth (YoY)

9.4%

Return on equity

39.1%

ROIC

14.6%

Free cash flow

$3.22B

Debt / equity

1.61×

Current ratio

1.11×

Ratios for fiscal year 2025, standardized from SEC filings.

Income statement

USD	FY2020	FY2021	FY2022	FY2023	FY2024	FY2025
Revenue	$11.07B	$12.19B	$12.48B	$13.38B	$15.70B	$17.18B
Operating income	$2.78B	$2.09B	$3.67B	$3.79B	$3.83B	$4.34B
Interest expense	$334.0M	$328.0M	$406.0M	$484.0M

Balance sheet

USD	FY2020	FY2021	FY2022	FY2023	FY2024	FY2025
Cash & equivalents	$884.0M	$544.0M	$690.0M	$778.0M	$1.08B	$1.20B
Total current assets	$18.68B	$19.03B	$20.72B	$21.70B	$23.43B	$25.77B
Property, plant & equipment	$599.0M	$529.0M	$558.0M	$638.0M

Cash flow

USD	FY2020	FY2021	FY2022	FY2023	FY2024	FY2025
Operating cash flow	$2.78B	$2.18B	$3.22B	$3.44B	$3.04B	$3.48B
Capital expenditures	$141.0M	$137.0M	$196.0M	$252.0M	$218.0M	$263.0M
Free cash flow	$2.64B	$2.04B	$3.02B	$3.18B

Get AON data via API

# JSON
curl https://sec-financial-api-production.up.railway.app/v1/company/AON/financials \
  -H "X-API-Key: YOUR_KEY"

# CSV export (income / balance / cash-flow)
curl "https://sec-financial-api-production.up.railway.app/v1/company/AON/income-statement?format=csv" \
  -H "X-API-Key: YOUR_KEY"

Get a free API key Use with Claude (MCP) →View AON filings on SEC EDGAR →