Bonadio & Co., 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 Bonadio & Co., LLP audit?
Bonadio & Co., LLP was the independent auditor for 6 retirement plan filings in plan year 2024, with clients in 2 states and territories — the #1,156 practice nationally by volume.
Practice at a glance
| Measure | Value |
|---|---|
| Firm EIN (as filed) | 13-1131146 |
| Retirement plan audits (401(k), 403(b), pension) | 6 |
| All audited filings (incl. welfare plans) | 6 |
| States and territories with clients | 2 |
| National rank by retirement plan volume | #1,156 of 3,956 |
| National rank, all audited filings (league-table basis) | #1,196 of 4,052 |
| Average client size (participants) | 1,209 |
| Largest client (participants) | 2,649 |
Rankings derived from U.S. Department of Labor Form 5500 filings, plan year 2024. Read the full methodology.
Where does Bonadio & Co., LLP audit plans?
| State | Plans audited | Share of practice |
|---|---|---|
| New York | 5 | 83.3% |
| Colorado | 1 | 16.7% |
Largest concentration: New York (5 plans). State reflects the plan sponsor’s address, not the firm’s office locations.
What audit opinions does Bonadio & Co., LLP issue?
| Opinion type | Filings | Share |
|---|---|---|
| Unmodified (clean) | 6 | 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 Bonadio & Co., LLP
| Plan sponsor | State | Participants |
|---|---|---|
| Echostar Corporation | CO | 2,649 |
| Carestream Health, Inc. | NY | 2,125 |
| Board of Trustees Ibew Local 43 and Electrical Contractors | NY | 1,866 |
| Family Services of Chemung Cou | NY | 243 |
| Albany Ent & Allergy Services, PC | NY | 209 |
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About this profile
This page is generated from public U.S. Department of Labor Form 5500 filings in which Bonadio & Co., LLP (EIN 13-1131146) is named as the plan’s independent qualified public accountant. Bonadio & Co., 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.