Maner Costerisan

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 Maner Costerisan audit?

Maner Costerisan was the independent auditor for 1 retirement plan filing in plan year 2024, with clients in 1 state — the #3,330 practice nationally by volume.

Practice at a glance

Maner Costerisan: plan year 2024 Form 5500 audit engagements
MeasureValue
Firm EIN (as filed)38-2157942
Retirement plan audits (401(k), 403(b), pension)1
All audited filings (incl. welfare plans)1
States and territories with clients1
National rank by retirement plan volume#3,330 of 3,956
National rank, all audited filings (league-table basis)#3,083 of 4,052
Average client size (participants)2,449
Largest client (participants)2,449

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

Where does Maner Costerisan audit plans?

Audited retirement plans by sponsor state, plan year 2024
StatePlans auditedShare of practice
Michigan1100.0%

Largest concentration: Michigan (1 plans). State reflects the plan sponsor’s address, not the firm’s office locations.

What audit opinions does Maner Costerisan issue?

Accountant’s opinions on retirement plan filings, plan year 2024
Opinion typeFilingsShare
Unmodified (clean)1100.0%
Qualified00.0%
Disclaimer00.0%
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 Maner Costerisan

Largest audited plans by participant count, plan year 2024 (as filed)
Plan sponsorStateParticipants
Awi Holdings, LLCMI2,449

About this profile

This page is generated from public U.S. Department of Labor Form 5500 filings in which Maner Costerisan (EIN 38-2157942) is named as the plan’s independent qualified public accountant. Maner Costerisan 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.