Ernst & Young LLP
Employee benefit plan audit practice profile, built from plan year 2024 Form 5500 filings.
Last updated · Source data: plan year 2024 Form 5500 filings
How many 401(k) plans does Ernst & Young LLP audit?
Ernst & Young LLP was the independent auditor for 519 retirement plan filings (629 audited filings including welfare plans) in plan year 2024, with clients in 42 states and territories — the #18 practice nationally by volume.
Practice at a glance
| Measure | Value |
|---|---|
| Firm EIN (as filed) | 34-6565596 |
| Retirement plan audits (401(k), 403(b), pension) | 519 |
| All audited filings (incl. welfare plans) | 629 |
| States and territories with clients | 42 |
| National rank by retirement plan volume | #18 of 3,956 |
| National rank, all audited filings (league-table basis) | #16 of 4,052 |
| Average client size (participants) | 21,834 |
| Largest client (participants) | 1,921,006 |
Rankings derived from U.S. Department of Labor Form 5500 filings, plan year 2024. Read the full methodology.
Where does Ernst & Young LLP audit plans?
| State | Plans audited | Share of practice |
|---|---|---|
| New York | 75 | 14.5% |
| Texas | 45 | 8.7% |
| Illinois | 42 | 8.1% |
| California | 31 | 6.0% |
| Massachusetts | 31 | 6.0% |
| Ohio | 29 | 5.6% |
| Pennsylvania | 26 | 5.0% |
| Minnesota | 21 | 4.0% |
| New Jersey | 18 | 3.5% |
| Tennessee | 18 | 3.5% |
| Connecticut | 17 | 3.3% |
| Michigan | 14 | 2.7% |
| Missouri | 13 | 2.5% |
| Florida | 12 | 2.3% |
| Virginia | 12 | 2.3% |
| Washington, D.C. | 10 | 1.9% |
| Washington | 9 | 1.7% |
| Puerto Rico | 8 | 1.5% |
| Rhode Island | 8 | 1.5% |
| Oklahoma | 7 | 1.3% |
| Georgia | 6 | 1.2% |
| Indiana | 6 | 1.2% |
| Kentucky | 5 | 1.0% |
| Maine | 5 | 1.0% |
| Colorado | 4 | 0.8% |
| Hawaii | 4 | 0.8% |
| Kansas | 4 | 0.8% |
| North Carolina | 4 | 0.8% |
| Wisconsin | 4 | 0.8% |
| West Virginia | 4 | 0.8% |
| Louisiana | 3 | 0.6% |
| Maryland | 3 | 0.6% |
| Utah | 3 | 0.6% |
| Alabama | 2 | 0.4% |
| Arkansas | 2 | 0.4% |
| Iowa | 2 | 0.4% |
| Nevada | 2 | 0.4% |
| Arizona | 1 | 0.2% |
| Delaware | 1 | 0.2% |
| Mississippi | 1 | 0.2% |
| Nebraska | 1 | 0.2% |
| Oregon | 1 | 0.2% |
Largest concentration: New York (75 plans). State reflects the plan sponsor’s address, not the firm’s office locations.
What audit opinions does Ernst & Young LLP issue?
| Opinion type | Filings | Share |
|---|---|---|
| Unmodified (clean) | 495 | 95.6% |
| Qualified | 1 | 0.2% |
| Disclaimer | 22 | 4.2% |
| Adverse | 0 | 0.0% |
As coded on Schedule H. A disclaimer here usually reflects the legacy limited-scope reporting convention (now the ERISA Section 103(a)(3)(C) election), not a failed audit — see the methodology.
Largest plans audited by Ernst & Young LLP
| Plan sponsor | State | Participants |
|---|---|---|
| Walmart Inc. | AR | 1,921,006 |
| Amazon.Com Services, LLC | WA | 1,336,478 |
| Target Corporation | MN | 475,573 |
| Hca Inc. | TN | 377,504 |
| General Motors LLC | MI | 322,604 |
Comparing Ernst & Young LLP with other 401(k) audit firms?
See alternatives to Ernst & Young LLP for 401(k) audits: firms with comparable engagement volume and an overlapping state footprint, drawn from the same Form 5500 data.
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Firms in this directory may display their standing on their own site. The badge reads “Ranked #16” — Ernst & Young LLP’s position among 4,052 U.S. firms by audited Form 5500 filings in plan year 2024, the same ordering as the national rankings. It is a static SVG served from this domain, links back to this profile, and is regenerated with every data refresh, so the number stays current without any change on your end.
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About this profile
This page is generated from public U.S. Department of Labor Form 5500 filings in which Ernst & Young LLP (EIN 34-6565596) is named as the plan’s independent qualified public accountant. Ernst & Young LLP did not supply, review, or endorse this information, and inclusion is not a recommendation. Filing data can contain sponsor-entered errors; corrections are welcome via the about page.