Reilly, Penner & Benton 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 Reilly, Penner & Benton LLP audit?

Reilly, Penner & Benton LLP was the independent auditor for 65 retirement plan filings (71 audited filings including welfare plans) in plan year 2024, with clients in 9 states and territories — the #169 practice nationally by volume.

Practice at a glance

Reilly, Penner & Benton LLP: plan year 2024 Form 5500 audit engagements
MeasureValue
Firm EIN (as filed)39-0747409
Retirement plan audits (401(k), 403(b), pension)65
All audited filings (incl. welfare plans)71
States and territories with clients9
National rank by retirement plan volume#169 of 3,956
National rank, all audited filings (league-table basis)#162 of 4,052
Average client size (participants)706
Largest client (participants)6,118

Rankings derived from U.S. Department of Labor Form 5500 filings, plan year 2024. Read the full methodology.

Where does Reilly, Penner & Benton LLP audit plans?

Audited retirement plans by sponsor state, plan year 2024
StatePlans auditedShare of practice
Wisconsin5584.6%
Minnesota34.6%
Illinois11.5%
Kansas11.5%
Massachusetts11.5%
Michigan11.5%
New York11.5%
Pennsylvania11.5%
Tennessee11.5%

Largest concentration: Wisconsin (55 plans). State reflects the plan sponsor’s address, not the firm’s office locations.

What audit opinions does Reilly, Penner & Benton LLP issue?

Accountant’s opinions on retirement plan filings, plan year 2024
Opinion typeFilingsShare
Unmodified (clean)6498.5%
Qualified00.0%
Disclaimer11.5%
Adverse00.0%

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 Reilly, Penner & Benton LLP

Largest audited plans by participant count, plan year 2024 (as filed)
Plan sponsorStateParticipants
A O Smith CorporationWI6,118
EversanaKS5,340
Electrical Construction Industry Annuity Plan Board of TrusteesWI4,894
Electrical Construction Industry Pension Plan Board of TrusteesWI4,743
Rite-Hite Holding CorporationWI2,671

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Reilly, Penner & Benton LLP: ranked #162 for 401(k) plan audits by 401k Audit Scout, 2026

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About this profile

This page is generated from public U.S. Department of Labor Form 5500 filings in which Reilly, Penner & Benton LLP (EIN 39-0747409) is named as the plan’s independent qualified public accountant. Reilly, Penner & Benton 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.