Forvis Mazars, 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 Forvis Mazars, LLP audit?

Forvis Mazars, LLP was the independent auditor for 2,583 retirement plan filings (2,687 audited filings including welfare plans) in plan year 2024, with clients in 52 states and territories — the #3 practice nationally by volume.

Practice at a glance

Forvis Mazars, LLP: plan year 2024 Form 5500 audit engagements
MeasureValue
Firm EIN (as filed)44-0160260
Retirement plan audits (401(k), 403(b), pension)2,583
All audited filings (incl. welfare plans)2,687
States and territories with clients52
National rank by retirement plan volume#3 of 3,956
National rank, all audited filings (league-table basis)#3 of 4,052
Average client size (participants)1,981
Largest client (participants)286,355

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

Where does Forvis Mazars, LLP audit plans?

Audited retirement plans by sponsor state, plan year 2024
StatePlans auditedShare of practice
North Carolina2178.4%
Texas2178.4%
Indiana1957.5%
Missouri1887.3%
New York1676.5%
Florida1525.9%
Illinois1505.8%
Virginia1425.5%
Kansas1154.5%
South Carolina823.2%
Colorado672.6%
Nebraska662.6%
New Jersey642.5%
Ohio612.4%
Oklahoma552.1%
California532.1%
Pennsylvania532.1%
Arizona491.9%
Kentucky491.9%
Arkansas451.7%
Iowa411.6%
Massachusetts401.5%
Tennessee401.5%
Georgia391.5%
Maryland341.3%
Michigan240.9%
Mississippi240.9%
West Virginia170.7%
Wisconsin160.6%
Washington, D.C.150.6%
Alabama140.5%
Utah130.5%
Connecticut80.3%
Minnesota80.3%
Washington80.3%
Nevada70.3%
Oregon70.3%
South Dakota60.2%
North Dakota50.2%
New Hampshire50.2%
Louisiana40.2%
Alaska30.1%
Hawaii30.1%
Vermont30.1%
Montana20.1%
New Mexico20.1%
Puerto Rico20.1%
Wyoming20.1%
Delaware10.0%
Idaho10.0%
Maine10.0%
Rhode Island10.0%

Largest concentration: North Carolina (217 plans). State reflects the plan sponsor’s address, not the firm’s office locations.

What audit opinions does Forvis Mazars, LLP issue?

Accountant’s opinions on retirement plan filings, plan year 2024
Opinion typeFilingsShare
Unmodified (clean)2,52597.9%
Qualified40.2%
Disclaimer512.0%
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 Forvis Mazars, LLP

Largest audited plans by participant count, plan year 2024 (as filed)
Plan sponsorStateParticipants
At&T Inc.TX286,355
Compass Group USA, Inc.NC263,796
Whole Foods Market, Inc.TX122,881
The Circle K Retirement PlanAZ71,309
Ulta Salon Cosmetics & Fragrance, Inc.IL65,955

Comparing Forvis Mazars, LLP with other 401(k) audit firms?

See alternatives to Forvis Mazars, LLP for 401(k) audits: firms with comparable engagement volume and an overlapping state footprint, drawn from the same Form 5500 data.

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Forvis Mazars, LLP: ranked #3 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 Forvis Mazars, LLP (EIN 44-0160260) is named as the plan’s independent qualified public accountant. Forvis Mazars, 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.