Sullivan and Folan, LLC

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 Sullivan and Folan, LLC audit?

Sullivan and Folan, LLC was the independent auditor for 9 retirement plan filings in plan year 2024, with clients in 1 state — the #960 practice nationally by volume.

Practice at a glance

Sullivan and Folan, LLC: plan year 2024 Form 5500 audit engagements
MeasureValue
Firm EIN (as filed)04-3252952
Retirement plan audits (401(k), 403(b), pension)9
All audited filings (incl. welfare plans)9
States and territories with clients1
National rank by retirement plan volume#960 of 3,956
National rank, all audited filings (league-table basis)#930 of 4,052
Average client size (participants)421
Largest client (participants)868

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

Where does Sullivan and Folan, LLC audit plans?

Audited retirement plans by sponsor state, plan year 2024
StatePlans auditedShare of practice
Massachusetts9100.0%

Largest concentration: Massachusetts (9 plans). State reflects the plan sponsor’s address, not the firm’s office locations.

What audit opinions does Sullivan and Folan, LLC issue?

Accountant’s opinions on retirement plan filings, plan year 2024
Opinion typeFilingsShare
Unmodified (clean)9100.0%
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 Sullivan and Folan, LLC

Largest audited plans by participant count, plan year 2024 (as filed)
Plan sponsorStateParticipants
Tech-Etch, IncMA868
Tech-Etch, Inc.MA848
The Swan Group, LLCMA434
Marylou's News, IncMA358
Hanscom Federal Credit UnionMA346

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Sullivan and Folan, LLC: ranked #930 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 Sullivan and Folan, LLC (EIN 04-3252952) is named as the plan’s independent qualified public accountant. Sullivan and Folan, LLC 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.