Scheffel Boyle
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 Scheffel Boyle audit?
Scheffel Boyle was the independent auditor for 22 retirement plan filings (34 audited filings including welfare plans) in plan year 2024, with clients in 2 states and territories — the #478 practice nationally by volume.
Practice at a glance
| Measure | Value |
|---|---|
| Firm EIN (as filed) | 37-1206530 |
| Retirement plan audits (401(k), 403(b), pension) | 22 |
| All audited filings (incl. welfare plans) | 34 |
| States and territories with clients | 2 |
| National rank by retirement plan volume | #478 of 3,956 |
| National rank, all audited filings (league-table basis) | #338 of 4,052 |
| Average client size (participants) | 1,280 |
| Largest client (participants) | 14,189 |
Rankings derived from U.S. Department of Labor Form 5500 filings, plan year 2024. Read the full methodology.
Where does Scheffel Boyle audit plans?
| State | Plans audited | Share of practice |
|---|---|---|
| Illinois | 17 | 77.3% |
| Missouri | 5 | 22.7% |
Largest concentration: Illinois (17 plans). State reflects the plan sponsor’s address, not the firm’s office locations.
What audit opinions does Scheffel Boyle issue?
| Opinion type | Filings | Share |
|---|---|---|
| Unmodified (clean) | 22 | 100.0% |
| Qualified | 0 | 0.0% |
| Disclaimer | 0 | 0.0% |
| 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 Scheffel Boyle
| Plan sponsor | State | Participants |
|---|---|---|
| Joint Board of Trustees of District 9 I.A.M & A.W. Pension Trust | MO | 14,189 |
| Board of Trustees Operating Engineers Local 520 | IL | 3,159 |
| Employers & Operating Engineers Local 520 Pension Fund Board of Truste | IL | 1,929 |
| Employers and Laborers Local 100 & 397 Supplemental Annuity Plan | MO | 1,511 |
| Employers and Cement Masons Local 90 Pension Plan | IL | 1,175 |
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About this profile
This page is generated from public U.S. Department of Labor Form 5500 filings in which Scheffel Boyle (EIN 37-1206530) is named as the plan’s independent qualified public accountant. Scheffel Boyle 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.