Aon Service Corporation
Business Corporation (corp.) · SPRINGFIELD, United States · LEI 254900EKDXWX59J69542
LEI active
Summary
Aon Service Corporation is registered in the United States. Its legal form is Business Corporation (corp.). According to GLEIF, its ultimate parent is AON PUBLIC LIMITED COMPANY (Ireland). That group has 25 subsidiaries with LEIs in 12 countries, 4 of them in the United States. The LEI was first issued on 1 Apr 2025 and the record was last updated on 16 Mar 2026; the next renewal is due by 1 Apr 2027.
Written from GLEIF data using fixed, reviewed sentence templates.
Data-quality notes (AssetCensus analysis)
No data-quality notes for this entity in this data release.
Company details
| Legal form | Business Corporation (corp.) |
|---|---|
| Register | · Register website |
| Registration number | 57203021 |
| Registration authority | Business Services (Office of the Secretary of State) |
| Jurisdiction | United States (US-IL) |
| Registered address | C/O ILLINOIS CORPORATION SERVICE COMPANY, 801 ADLAI STEVENSON DRIVE, 62703 SPRINGFIELD, United States |
| Headquarters address | 200 E. Randolph St., 60601 Chicago, United States |
| Category | company or other legal entity |
| Status | active |
| Founded (per GLEIF) | 1 Mar 1993 |
| LEI | 254900EKDXWX59J69542 |
| LEI status | active |
| LEI first issued | 1 Apr 2025 |
| LEI record last updated | 16 Mar 2026 |
| Next LEI renewal | 1 Apr 2027 |
| Corroboration of the LEI record | fully corroborated |
Group membership
Aon Service Corporation this entity
Relationship to the parent
| Ultimate parent | |
|---|---|
| Parent | AON PUBLIC LIMITED COMPANY |
| Accounting period | 1 Jan 2025 to 31 Dec 2025 |
| Evidence | other official documents |
| Corroboration | supplied by the entity only |
| Consolidation percentage reported to GLEIF | 100.00% |
| Relationship start | 31 Oct 1994 |
| Recorded at GLEIF since | 1 Apr 2025 |
| Last updated | 16 Mar 2026 |
| Record status | current |
Parent not reported to GLEIF
- Direct parent: the parent information is not public, because of legal constraints, possible detriment, or because consent was not obtained.