Doeren Mayhew Assurance
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 Doeren Mayhew Assurance audit?
Doeren Mayhew Assurance was the independent auditor for 418 retirement plan filings (419 audited filings including welfare plans) in plan year 2024, with clients in 40 states and territories — the #28 practice nationally by volume.
Practice at a glance
| Measure | Value |
|---|---|
| Firm EIN (as filed) | 38-2492570 |
| Retirement plan audits (401(k), 403(b), pension) | 418 |
| All audited filings (incl. welfare plans) | 419 |
| States and territories with clients | 40 |
| National rank by retirement plan volume | #28 of 3,956 |
| National rank, all audited filings (league-table basis) | #30 of 4,052 |
| Average client size (participants) | 892 |
| Largest client (participants) | 46,552 |
Rankings derived from U.S. Department of Labor Form 5500 filings, plan year 2024. Read the full methodology.
Where does Doeren Mayhew Assurance audit plans?
| State | Plans audited | Share of practice |
|---|---|---|
| Michigan | 156 | 37.3% |
| Texas | 82 | 19.6% |
| Florida | 25 | 6.0% |
| Georgia | 19 | 4.5% |
| Virginia | 15 | 3.6% |
| Ohio | 14 | 3.3% |
| North Carolina | 10 | 2.4% |
| Arizona | 9 | 2.2% |
| Maryland | 9 | 2.2% |
| South Carolina | 7 | 1.7% |
| California | 5 | 1.2% |
| Illinois | 5 | 1.2% |
| Pennsylvania | 5 | 1.2% |
| Tennessee | 5 | 1.2% |
| Louisiana | 4 | 1.0% |
| Washington | 4 | 1.0% |
| Connecticut | 3 | 0.7% |
| Kentucky | 3 | 0.7% |
| Mississippi | 3 | 0.7% |
| New Jersey | 3 | 0.7% |
| New York | 3 | 0.7% |
| South Dakota | 3 | 0.7% |
| Colorado | 2 | 0.5% |
| Idaho | 2 | 0.5% |
| Indiana | 2 | 0.5% |
| Minnesota | 2 | 0.5% |
| New Mexico | 2 | 0.5% |
| Oklahoma | 2 | 0.5% |
| Utah | 2 | 0.5% |
| Alabama | 1 | 0.2% |
| Washington, D.C. | 1 | 0.2% |
| Iowa | 1 | 0.2% |
| Kansas | 1 | 0.2% |
| Massachusetts | 1 | 0.2% |
| Maine | 1 | 0.2% |
| Nebraska | 1 | 0.2% |
| Nevada | 1 | 0.2% |
| Oregon | 1 | 0.2% |
| Rhode Island | 1 | 0.2% |
| Wisconsin | 1 | 0.2% |
Largest concentration: Michigan (156 plans). State reflects the plan sponsor’s address, not the firm’s office locations.
What audit opinions does Doeren Mayhew Assurance issue?
| Opinion type | Filings | Share |
|---|---|---|
| Unmodified (clean) | 417 | 99.8% |
| Qualified | 0 | 0.0% |
| Disclaimer | 1 | 0.2% |
| 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 Doeren Mayhew Assurance
| Plan sponsor | State | Participants |
|---|---|---|
| G & A Outsourcing, Inc. DBA G & A Partners | TX | 46,552 |
| Baylor College of Medicine | TX | 20,611 |
| Michigan Credit Union League | MI | 15,630 |
| Loomis Armored US, LLC | TX | 15,582 |
| Coca-Cola Southwest Beverages LLC | TX | 14,453 |
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About this profile
This page is generated from public U.S. Department of Labor Form 5500 filings in which Doeren Mayhew Assurance (EIN 38-2492570) is named as the plan’s independent qualified public accountant. Doeren Mayhew Assurance 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.