Stephano Slack LLC
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 Stephano Slack LLC audit?
Stephano Slack LLC was the independent auditor for 35 retirement plan filings (44 audited filings including welfare plans) in plan year 2024, with clients in 5 states and territories — the #317 practice nationally by volume.
Practice at a glance
| Measure | Value |
|---|---|
| Firm EIN (as filed) | 16-1710665 |
| Retirement plan audits (401(k), 403(b), pension) | 35 |
| All audited filings (incl. welfare plans) | 44 |
| States and territories with clients | 5 |
| National rank by retirement plan volume | #317 of 3,956 |
| National rank, all audited filings (league-table basis) | #259 of 4,052 |
| Average client size (participants) | 372 |
| Largest client (participants) | 1,031 |
Rankings derived from U.S. Department of Labor Form 5500 filings, plan year 2024. Read the full methodology.
Where does Stephano Slack LLC audit plans?
| State | Plans audited | Share of practice |
|---|---|---|
| Pennsylvania | 23 | 65.7% |
| New Jersey | 9 | 25.7% |
| California | 1 | 2.9% |
| Massachusetts | 1 | 2.9% |
| Virginia | 1 | 2.9% |
Largest concentration: Pennsylvania (23 plans). State reflects the plan sponsor’s address, not the firm’s office locations.
What audit opinions does Stephano Slack LLC issue?
| Opinion type | Filings | Share |
|---|---|---|
| Unmodified (clean) | 34 | 97.1% |
| Qualified | 1 | 2.9% |
| 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 Stephano Slack LLC
| Plan sponsor | State | Participants |
|---|---|---|
| Reify Health, Inc. | MA | 1,031 |
| Greater Philadelphia Health Action, Inc | PA | 861 |
| Chester Community Charter School | PA | 631 |
| Solid Waste Services, Inc. | PA | 629 |
| Constructural Dynamics Inc Ta Silvi Concrete Products Inc | PA | 617 |
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About this profile
This page is generated from public U.S. Department of Labor Form 5500 filings in which Stephano Slack LLC (EIN 16-1710665) is named as the plan’s independent qualified public accountant. Stephano Slack LLC 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.