Callero & Callero 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 Callero & Callero LLP audit?

Callero & Callero LLP was the independent auditor for 4 retirement plan filings in plan year 2024, with clients in 1 state — the #1,453 practice nationally by volume.

Practice at a glance

Callero & Callero LLP: plan year 2024 Form 5500 audit engagements
MeasureValue
Firm EIN (as filed)36-2518261
Retirement plan audits (401(k), 403(b), pension)4
All audited filings (incl. welfare plans)4
States and territories with clients1
National rank by retirement plan volume#1,453 of 3,956
National rank, all audited filings (league-table basis)#1,535 of 4,052
Average client size (participants)252
Largest client (participants)408

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

Where does Callero & Callero LLP audit plans?

Audited retirement plans by sponsor state, plan year 2024
StatePlans auditedShare of practice
Illinois4100.0%

Largest concentration: Illinois (4 plans). State reflects the plan sponsor’s address, not the firm’s office locations.

What audit opinions does Callero & Callero LLP issue?

Accountant’s opinions on retirement plan filings, plan year 2024
Opinion typeFilingsShare
Unmodified (clean)375.0%
Qualified00.0%
Disclaimer125.0%
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 Callero & Callero LLP

Largest audited plans by participant count, plan year 2024 (as filed)
Plan sponsorStateParticipants
DHR International, Inc.IL408
Luse Contracting Group, Inc.IL274
Globetrotters Engineering CorporationIL200
Morrison Timing Screw CompanyIL127

About this profile

This page is generated from public U.S. Department of Labor Form 5500 filings in which Callero & Callero LLP (EIN 36-2518261) is named as the plan’s independent qualified public accountant. Callero & Callero 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.