Monroe Sweeris & Tromp PLC
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 Monroe Sweeris & Tromp PLC audit?
Monroe Sweeris & Tromp PLC was the independent auditor for 25 retirement plan filings in plan year 2024, with clients in 2 states and territories — the #432 practice nationally by volume.
Practice at a glance
| Measure | Value |
|---|---|
| Firm EIN (as filed) | 38-2621598 |
| Retirement plan audits (401(k), 403(b), pension) | 25 |
| All audited filings (incl. welfare plans) | 25 |
| States and territories with clients | 2 |
| National rank by retirement plan volume | #432 of 3,956 |
| National rank, all audited filings (league-table basis) | #450 of 4,052 |
| Average client size (participants) | 456 |
| Largest client (participants) | 2,377 |
Rankings derived from U.S. Department of Labor Form 5500 filings, plan year 2024. Read the full methodology.
Where does Monroe Sweeris & Tromp PLC audit plans?
| State | Plans audited | Share of practice |
|---|---|---|
| Michigan | 24 | 96.0% |
| Indiana | 1 | 4.0% |
Largest concentration: Michigan (24 plans). State reflects the plan sponsor’s address, not the firm’s office locations.
What audit opinions does Monroe Sweeris & Tromp PLC issue?
| Opinion type | Filings | Share |
|---|---|---|
| Unmodified (clean) | 24 | 96.0% |
| Qualified | 0 | 0.0% |
| Disclaimer | 1 | 4.0% |
| 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 Monroe Sweeris & Tromp PLC
| Plan sponsor | State | Participants |
|---|---|---|
| DP Fox Holdings, LLC | MI | 2,377 |
| Viking Group, Inc. | MI | 1,162 |
| Life Ems, Inc. | MI | 859 |
| Hadley Products Corporation | MI | 719 |
| Quality Structures, LLC | IN | 698 |
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About this profile
This page is generated from public U.S. Department of Labor Form 5500 filings in which Monroe Sweeris & Tromp PLC (EIN 38-2621598) is named as the plan’s independent qualified public accountant. Monroe Sweeris & Tromp PLC 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.