HMM & Co., 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 HMM & Co., LLP audit?

HMM & Co., LLP was the independent auditor for 19 retirement plan filings in plan year 2024, with clients in 2 states and territories — the #535 practice nationally by volume.

Practice at a glance

HMM & Co., LLP: plan year 2024 Form 5500 audit engagements
MeasureValue
Firm EIN (as filed)46-5416249
Retirement plan audits (401(k), 403(b), pension)19
All audited filings (incl. welfare plans)19
States and territories with clients2
National rank by retirement plan volume#535 of 3,956
National rank, all audited filings (league-table basis)#555 of 4,052
Average client size (participants)1,148
Largest client (participants)4,180

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

Where does HMM & Co., LLP audit plans?

Audited retirement plans by sponsor state, plan year 2024
StatePlans auditedShare of practice
New York1894.7%
Pennsylvania15.3%

Largest concentration: New York (18 plans). State reflects the plan sponsor’s address, not the firm’s office locations.

What audit opinions does HMM & Co., LLP issue?

Accountant’s opinions on retirement plan filings, plan year 2024
Opinion typeFilingsShare
Unmodified (clean)19100.0%
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 HMM & Co., LLP

Largest audited plans by participant count, plan year 2024 (as filed)
Plan sponsorStateParticipants
Cottage Homecare Services Inc.NY4,180
Proud Moments Mso LLCNY3,397
Strauss Ventures, LLC D/B/A the Grand Healthcare SystemNY3,052
Cassena Care, LLCNY3,014
Gurwin Jewish Nursing & Rehabilitation CenterNY1,398

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HMM & Co., LLP: ranked #555 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 HMM & Co., LLP (EIN 46-5416249) is named as the plan’s independent qualified public accountant. HMM & Co., 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.