---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-004273"
form_type: "8-K"
ticker: "AON"
cik: "0000315293"
company_name: "Aon plc"
filed_at: "2026-01-30T23:59:59+00:00"
generated_at: "2026-05-16T06:09:52.987466+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Aon reports Q4 adjusted EPS $4.85, up 10% YoY; 2026 guidance calls for margin expansion and double-digit FCF growth

## Summary
- Q4 total revenue $4.3B (+4% YoY); full-year revenue $17.2B (+9%).
- Adjusted EPS Q4 $4.85 (+10% YoY); full-year $17.07 (+9%).
- Adjusted operating margin Q4 35.5% (up 220 bps); full-year 32.4% (up 90 bps).
- Free cash flow full-year $3.22B (+14%); paid down $1.9B debt in 2025.
- 2026 guidance: mid-single-digit+ organic growth, 70-80bps margin expansion, double-digit FCF growth.

## SEC filing metadata
- accession: 0001628280-26-004273
- form_type: 8-K
- ticker: AON
- cik: 0000315293
- company_name: Aon plc
- filed_at: 2026-01-30T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/315293/000162828026004273/0001628280-26-004273-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/315293/000162828026004273/aon-20260130.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-004273
- JSON: https://secwatch.observer/filing/0001628280-26-004273.json
- Plain text: https://secwatch.observer/filing/0001628280-26-004273.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.