Johanson & Yau Accountancy Corp

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 Johanson & Yau Accountancy Corp audit?

Johanson & Yau Accountancy Corp was the independent auditor for 38 retirement plan filings in plan year 2024, with clients in 4 states and territories — the #293 practice nationally by volume.

Practice at a glance

Johanson & Yau Accountancy Corp: plan year 2024 Form 5500 audit engagements
MeasureValue
Firm EIN (as filed)94-2702860
Retirement plan audits (401(k), 403(b), pension)38
All audited filings (incl. welfare plans)38
States and territories with clients4
National rank by retirement plan volume#293 of 3,956
National rank, all audited filings (league-table basis)#317 of 4,052
Average client size (participants)475
Largest client (participants)2,798

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

Where does Johanson & Yau Accountancy Corp audit plans?

Audited retirement plans by sponsor state, plan year 2024
StatePlans auditedShare of practice
California3592.1%
Maryland12.6%
New York12.6%
Texas12.6%

Largest concentration: California (35 plans). State reflects the plan sponsor’s address, not the firm’s office locations.

What audit opinions does Johanson & Yau Accountancy Corp issue?

Accountant’s opinions on retirement plan filings, plan year 2024
Opinion typeFilingsShare
Unmodified (clean)38100.0%
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 Johanson & Yau Accountancy Corp

Largest audited plans by participant count, plan year 2024 (as filed)
Plan sponsorStateParticipants
Desert Sands Public Charter, Inc.CA2,798
Arista Networks Inc.CA2,470
Church Brothers, LLCCA1,637
Trend Micro, IncorporatedTX1,508
Equity HR, Inc.CA1,077

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Johanson & Yau Accountancy Corp: ranked #317 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 Johanson & Yau Accountancy Corp (EIN 94-2702860) is named as the plan’s independent qualified public accountant. Johanson & Yau Accountancy Corp 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.