---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-171954"
form_type: "8-K"
ticker: "AON"
cik: "0000315293"
company_name: "Aon plc"
filed_at: "2023-06-22T23:59:59+00:00"
generated_at: "2026-06-13T19:26:29.496982+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Aon adds Aon North America as full guarantor for outstanding senior notes

## Summary
- Aon North America guarantees Aon Corporation, Aon Global Limited, and co-issued notes as of June 22, 2023.
- Obligor group now includes Aon plc, Aon Global Limited, Aon Global Holdings plc, Aon Corporation, and Aon North America.
- Supplemental guarantor financial info filed for year ended Dec 2022 and Q1 2023; net loss for obligor group of $306M (Q1 2023) and $1,068M (FY 2022).
- Guarantees cover 18 note series with maturities from 2023 to 2052.

## SEC filing metadata
- accession: 0001193125-23-171954
- form_type: 8-K
- ticker: AON
- cik: 0000315293
- company_name: Aon plc
- filed_at: 2023-06-22T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/315293/000119312523171954/0001193125-23-171954-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/315293/000119312523171954/d442499d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-171954
- JSON: https://secwatch.observer/filing/0001193125-23-171954.json
- Plain text: https://secwatch.observer/filing/0001193125-23-171954.txt

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