Total assets · 2011–2025
Aon total assets
$50.8B+3.7% · FY2025
Aon (AON) reported $50.8B in total assets for fiscal 2025, +3.7% year on year.
| Fiscal year | Total assets | Change | Filing |
|---|---|---|---|
| FY20252025-12-31 | $50.8B | +3.7% | Open → |
| FY20242024-12-31 | $49.0B | +44.2% | Open → |
| FY20232023-12-31 | $34.0B | +3.8% | Open → |
| FY20222022-12-31 | $32.7B | +2.5% | Open → |
| FY20212021-12-31 | $31.9B | −0.6% | Open → |
| FY20202020-12-31 | $32.1B | +9.2% | Open → |
| FY20192019-12-31 | $29.4B | +11.3% | Open → |
| FY20182018-12-31 | $26.4B | +1.3% | Open → |
| FY20172017-12-31 | $26.1B | −2.0% | Open → |
| FY20162016-12-31 | $26.6B | −1.0% | Open → |
| FY20152015-12-31 | $26.9B | −9.7% | Open → |
| FY20142014-12-31 | $29.8B | −1.6% | Open → |
| FY20132013-12-31 | $30.3B | −0.8% | Open → |
| FY20122012-12-31 | $30.5B | +3.2% | Open → |
| FY20112011-12-31 | $29.6B | — | Open → |
Total assets — Total assets is everything the company owns at the balance-sheet date. Banks and insurers dominate this measure because customer deposits and policy reserves sit on their balance sheets.
Every row links to its own SEC filing · Fiscal year 2025 · Data as of September 25, 2026 · 2011–2025 compound annual growth +3.9%
Total assets at companies of similar size
Cite this page
Ready-made references for the figures on this page, as published on September 25, 2026.
Wikipedia
{{cite web |title=Aon total assets |url=https://companiesranked.com/en/company/aon/total-assets |website=CompaniesRanked |date=2026-09-25 |language=en}}APA 7
CompaniesRanked. (September 25, 2026). Aon total assets. CompaniesRanked. https://companiesranked.com/en/company/aon/total-assetsBibTeX
@misc{companiesranked-en-company-aon-total-assets-2026,
author = {{CompaniesRanked}},
title = {{Aon total assets}},
year = {2026},
howpublished = {\url{https://companiesranked.com/en/company/aon/total-assets}},
note = {Compiled from SEC EDGAR XBRL filings; data as of 2026-09-25},
urldate = {2026-09-25}
}The filing itself
The numbers above are read from this document: 10-Q · 0001628280-26-050610 · July 29, 2026
{{cite web |title=Aon total assets — 10-Q (0001628280-26-050610) |url=https://www.sec.gov/Archives/edgar/data/315293/000162828026050610/aon-20260630.htm |website=SEC EDGAR |publisher=U.S. Securities and Exchange Commission |date=2026-07-29}}The figures are rebuilt with every data refresh, so the reference carries the publication date. Add your own access date if your style requires one.