SC&H Attest Services, P.C.
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 SC&H Attest Services, P.C. audit?
SC&H Attest Services, P.C. was the independent auditor for 158 retirement plan filings (159 audited filings including welfare plans) in plan year 2024, with clients in 14 states and territories — the #71 practice nationally by volume.
Practice at a glance
| Measure | Value |
|---|---|
| Firm EIN (as filed) | 52-1743645 |
| Retirement plan audits (401(k), 403(b), pension) | 158 |
| All audited filings (incl. welfare plans) | 159 |
| States and territories with clients | 14 |
| National rank by retirement plan volume | #71 of 3,956 |
| National rank, all audited filings (league-table basis) | #72 of 4,052 |
| Average client size (participants) | 3,217 |
| Largest client (participants) | 193,721 |
Rankings derived from U.S. Department of Labor Form 5500 filings, plan year 2024. Read the full methodology.
Where does SC&H Attest Services, P.C. audit plans?
| State | Plans audited | Share of practice |
|---|---|---|
| Maryland | 90 | 57.0% |
| Virginia | 39 | 24.7% |
| Florida | 6 | 3.8% |
| New York | 6 | 3.8% |
| Washington, D.C. | 4 | 2.5% |
| California | 3 | 1.9% |
| Georgia | 2 | 1.3% |
| New Jersey | 2 | 1.3% |
| Indiana | 1 | 0.6% |
| New Mexico | 1 | 0.6% |
| Ohio | 1 | 0.6% |
| Pennsylvania | 1 | 0.6% |
| Texas | 1 | 0.6% |
| West Virginia | 1 | 0.6% |
Largest concentration: Maryland (90 plans). State reflects the plan sponsor’s address, not the firm’s office locations.
What audit opinions does SC&H Attest Services, P.C. issue?
| Opinion type | Filings | Share |
|---|---|---|
| Unmodified (clean) | 155 | 98.1% |
| Qualified | 0 | 0.0% |
| Disclaimer | 3 | 1.9% |
| 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 SC&H Attest Services, P.C.
| Plan sponsor | State | Participants |
|---|---|---|
| Allegis Group, Inc. | MD | 193,721 |
| Mantech International Corporation | VA | 15,538 |
| Federal Home Loan Mortgage Corp | VA | 11,636 |
| Luminis Health Anne Arundel Medical Center, Inc. | MD | 10,098 |
| Beacon Sales Acquisition, Inc. | VA | 9,082 |
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About this profile
This page is generated from public U.S. Department of Labor Form 5500 filings in which SC&H Attest Services, P.C. (EIN 52-1743645) is named as the plan’s independent qualified public accountant. SC&H Attest Services, P.C. 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.