MGS 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 MGS LLP audit?
MGS LLP was the independent auditor for 8 retirement plan filings (9 audited filings including welfare plans) in plan year 2024, with clients in 3 states and territories — the #1,012 practice nationally by volume.
Practice at a glance
| Measure | Value |
|---|---|
| Firm EIN (as filed) | 46-2568909 |
| Retirement plan audits (401(k), 403(b), pension) | 8 |
| All audited filings (incl. welfare plans) | 9 |
| States and territories with clients | 3 |
| National rank by retirement plan volume | #1,012 of 3,956 |
| National rank, all audited filings (league-table basis) | #969 of 4,052 |
| Average client size (participants) | 13,785 |
| Largest client (participants) | 36,103 |
Rankings derived from U.S. Department of Labor Form 5500 filings, plan year 2024. Read the full methodology.
Where does MGS LLP audit plans?
| State | Plans audited | Share of practice |
|---|---|---|
| Pennsylvania | 6 | 75.0% |
| Massachusetts | 1 | 12.5% |
| New Jersey | 1 | 12.5% |
Largest concentration: Pennsylvania (6 plans). State reflects the plan sponsor’s address, not the firm’s office locations.
What audit opinions does MGS LLP issue?
| Opinion type | Filings | Share |
|---|---|---|
| Unmodified (clean) | 8 | 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 MGS LLP
| Plan sponsor | State | Participants |
|---|---|---|
| Trustees of the University of PA | PA | 36,103 |
| Jep Management, Inc. | PA | 692 |
| Chelten House Products, LLC | NJ | 429 |
| Haystackid, LLC | MA | 353 |
| Trustees of the University of Pennsylvania | PA | 196 |
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About this profile
This page is generated from public U.S. Department of Labor Form 5500 filings in which MGS LLP (EIN 46-2568909) is named as the plan’s independent qualified public accountant. MGS 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.