# Aon Corporation 401(k) Plan
Source: https://planprovider.pro/companies/aon-corporation-401k-plan

> Aon Corporation's 401(k) plan: 13,470 participants, plan year 2024 financials, providers, and benchmarks from Form 5500.

Form 5500 filing data for plan year 2024.

## Plan Snapshot

- **Plan Sponsor:** Aon Corporation

- **Sponsor EIN:** 363051915

- **Sponsor Address:** MSC# 17755, ATLANTA, GA, 30355

- **Plan Type:** 401(k)

- **Total Participants:** 13,470

- **Total Assets:** $6.7B

## Key Plan Design Features

- **Auto-Enrollment:** Yes

- **Auto-Escalation:** No

- **Allows Roth Contributions:** Yes

- **Participant Loans:** Yes

- **Participant-Directed Investments:** Yes

- **ERISA Section 404(c) Fiduciary Safe Harbor:** Yes

## Plan Financials by Year

| Year|Participants|Total Assets|Employer Contrib.|Employee Contrib.|

| 2024|13,470|$6.7B|$109.8M|$170.1M|

| 2023|13,974|$6.2B|$107.9M|$165.8M|

| 2022|14,010|$5.4B|$99.7M|$154.0M|

## Service Providers (Schedule C)

Vendors paid $5,000 or more for services to the plan, ranked by total compensation (direct + indirect fees).

| Provider Name|
Role|
Direct Compensation|
Indirect Compensation|
Total Fees|

| THE NORTHERN TRUST CO|TRUSTEE|$658,497|—|$658,497|

| ALIGHT SOLUTIONS|NONE|$551,571|—|$551,571|

| THE VANGUARD GROUP|NONE|$308,831|—|$308,831|

| CURCIO WEBB|NONE|$176,723|—|$176,723|

| ERNST & YOUNG US LLP|NONE|$42,450|—|$42,450|

| ALIGHT FINANCIAL SOLUTIONS, LLC|BROKER|$25,161|$7,368|$32,529|

| PERSHING LLC|NONE|—|$7,532|$7,532|

### Verified Provider Profiles

Direct links to verified profiles of matched retirement plan providers on PlanProvider.Pro:

- [ALIGHT SOLUTIONS](https://planprovider.pro/provider/alight-solutions) — NONE

- [ERNST & YOUNG US LLP](https://planprovider.pro/provider/ernst-and-young-llp) — NONE

- [ALIGHT FINANCIAL SOLUTIONS, LLC](https://planprovider.pro/provider/alight-solutions) — BROKER

- [PERSHING LLC](https://planprovider.pro/provider/northwestern-mutual) — NONE

## Plan Fees & Expenses

Annual service provider fees and administrative expenses sourced from DOL Form 5500 filings.

- **Total Service Provider Fees:** $1,778,133

- **Estimated Expense Ratio:** 0.027% of plan assets

### Historical Administrative Expenses

Breakdown of administrative expense categories reported on Form 5500 filings.

| Year|
Total Admin Expenses|
Investment Mgmt Fees|
Contract Admin Fees|
IQPA Audit Fees|
Professional Fees|

| 2024|$1,865,744|$724,729|$324,611|—|—|

| 2023|$2,411,000|$4,787,180|$109,017|$43,950|—|

| 2022|$4,687,000|$3,582,458|$835,600|—|$742,749|

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