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Aon PLC Federal Contracts
What federal agencies have paid Aon PLC, and what they have granted it. Every award above the reporting threshold is public, with the agency, the amount and the date it began.
AON on carbonthat →Awarded in total
$28.9M
contracts and grants together
Contracts
10
Grants
0
Largest payer
$20.1M
Department of Defense
Who is paying
Every awarding agency on file, largest first.
| Agency | Awarded | Share |
|---|---|---|
| Department of Defense | $20.1M | 69.7% |
| Department of Homeland Security | $5.4M | 18.7% |
| Department of Justice | $3.3M | 11.6% |
10 awards
Largest first. Many awards carry no start date, which is why size orders this rather than time.
| Agency | Amount |
|---|---|
| Department of Defensecontract2026-03-09SEAON ENVIRONMENTAL LLC | $8M |
| Department of Homeland Securitycontract2021-05-25AON CONSULTING, INC. | $5.4M |
| Department of Defensecontract2025-05-23SEAON ENVIRONMENTAL LLC | $4.5M |
| Department of Justicecontract2024-03-15AON CONSULTING, INC. | $3.3M |
| Department of Defensecontract2024-04-01SEAON ENVIRONMENTAL LLC | $1.5M |
| Department of Defensecontract2019-04-01PORTUS STEVEDORING LLC | $1.4M |
| Department of Defensecontract2025-06-09SEAON ENVIRONMENTAL LLC | $1.3M |
| Department of Defensecontract2025-04-01SEAON ENVIRONMENTAL LLC | $1.2M |
| Department of Defensecontract2025-01-27SEAON ENVIRONMENTAL LLC | $1.2M |
| Department of Defensecontract2022-04-01PORTUS STEVEDORING LLC | $1.1M |
The recipient is named as awarded, which is usually a division rather than the listed parent. An award is an obligation rather than a payment: the figure is what the agency committed, which a later modification can raise or cut. Winning federal work is ordinary business for a large company.
More on AON
Company overviewEverything on AON in one place, with the price.SEC filingsWhat AON's 8-Ks say happened: results, departures, auditor changes.Insider tradingWhat AON's own officers and directors buy and sell.Executive payWhat AON awarded its chief executive, and what it became.LobbyingWhat AON spends lobbying Congress, and on what.Who lobbies for itThe lobbyists on AON's account, and who they worked for.PatentsWhat AON is filing at the patent office.