Ketel Thorstenson, 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 Ketel Thorstenson, LLP audit?
Ketel Thorstenson, LLP was the independent auditor for 38 retirement plan filings in plan year 2024, with clients in 7 states and territories — the #294 practice nationally by volume.
Practice at a glance
| Measure | Value |
|---|---|
| Firm EIN (as filed) | 46-0257538 |
| Retirement plan audits (401(k), 403(b), pension) | 38 |
| All audited filings (incl. welfare plans) | 38 |
| States and territories with clients | 7 |
| National rank by retirement plan volume | #294 of 3,956 |
| National rank, all audited filings (league-table basis) | #309 of 4,052 |
| Average client size (participants) | 413 |
| Largest client (participants) | 2,075 |
Rankings derived from U.S. Department of Labor Form 5500 filings, plan year 2024. Read the full methodology.
Where does Ketel Thorstenson, LLP audit plans?
| State | Plans audited | Share of practice |
|---|---|---|
| South Dakota | 30 | 78.9% |
| North Dakota | 2 | 5.3% |
| Wyoming | 2 | 5.3% |
| Iowa | 1 | 2.6% |
| Minnesota | 1 | 2.6% |
| Nebraska | 1 | 2.6% |
| Wisconsin | 1 | 2.6% |
Largest concentration: South Dakota (30 plans). State reflects the plan sponsor’s address, not the firm’s office locations.
What audit opinions does Ketel Thorstenson, LLP issue?
| Opinion type | Filings | Share |
|---|---|---|
| Unmodified (clean) | 38 | 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 Ketel Thorstenson, LLP
| Plan sponsor | State | Participants |
|---|---|---|
| South Dakota Council of Community Behavioral Hea | SD | 2,075 |
| Takkion Ops Management LLC | WY | 1,864 |
| Heyl Truck Lines Inc. | IA | 747 |
| Liv Employee Benefits, LLC | SD | 668 |
| Riddle's Group, Inc. | SD | 654 |
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About this profile
This page is generated from public U.S. Department of Labor Form 5500 filings in which Ketel Thorstenson, LLP (EIN 46-0257538) is named as the plan’s independent qualified public accountant. Ketel Thorstenson, 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.