Browse 852 providers in this category.
Provider ranking
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Baker Tilly US LLP
Employee Benefit Plan Auditor • Pro Score 3.7
Madison, WI
Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member
Stats: 3,522 plans audited • $777.2B under management
Company: Est. 1931 • 10,001 employees
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Cliftonlarsonallen LLP
Employee Benefit Plan Auditor • Pro Score 3.2
Akron, OH
Credentials: Other • AICPA Member • Plan Audit Quality Center (EBPAQC)
Stats: 3,274 plans audited • $424.7B under management
Company: Est. 2012 • 8,800 employees
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Forvis Mazars, LLP
Employee Benefit Plan Auditor • Pro Score 3.8
Springfield, MO
Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member
Stats: 2,585 plans audited • $405.6B under management
Company: Est. 2003 • 40,000 employees
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BDO USA P.C.
Employee Benefit Plan Auditor • Pro Score 2.3
Philadelphia, PA
Credentials: AICPA Member • Plan Audit Quality Center (EBPAQC)
Stats: 1,263 plans audited • $489.8B under management
Company: Est. 1910
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Caron Bletzer, PLLC
Employee Benefit Plan Auditor • Pro Score 3.6
Kingston, NH
Credentials: PCAOB Registered
Stats: 1,134 plans audited • $93.9B under management
Company: Est. 1993
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Eide Bailly LLP
Employee Benefit Plan Auditor • Pro Score 2.9
Fargo, ND
Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member
Stats: 1,131 plans audited • $104.3B under management
Company: Est. 1998 • 3,300 employees
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RSM LLP
Employee Benefit Plan Auditor • Pro Score 3.3
Chicago, IL
Stats: 976 plans audited • $141.3B under management
Company: Est. 1926
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Pension Assurance LLP
Employee Benefit Plan Auditor
Woodland Hills, CA
Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member
Stats: 909 plans audited • $33.6B under management
Company: Est. 2014
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WithumSmith+Brown PC
Employee Benefit Plan Auditor
Princeton, NJ
Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member
Stats: 882 plans audited • $387.4B under management
Company: Est. 1986 • 2,500 employees
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Wipfli LLP
Employee Benefit Plan Auditor
Eau Claire, WI
Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member
Stats: 832 plans audited • $75.3B under management
Company: Est. 1986 • 3,000 employees
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Grant Thornton LLP
Employee Benefit Plan Auditor • Pro Score 3.6
Oakbrook Terrace, IL
Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member
Stats: 802 plans audited • $496.3B under management
Company: Est. 1924
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EisnerAmper LLP
Employee Benefit Plan Auditor
Iselin, NJ
Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member
Stats: 584 plans audited • $90.9B under management
Company: Est. 1965 • 4,000 employees
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PKF O'Connor Davies, LLP
Employee Benefit Plan Auditor
Harrison, NY
Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member
Stats: 571 plans audited • $119.6B under management
Company: Est. 1891 • 1,000 employees
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Ernst & Young LLP
Employee Benefit Plan Auditor • Pro Score 4.1
New York, NY
Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member
Stats: 564 plans audited • $1.0T under management
Company: Est. 1989
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Sikich CPA LLC
Employee Benefit Plan Auditor
Naperville, IL
Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member
Stats: 500 plans audited • $32.1B under management
Company: Est. 1982 • 1,950 employees
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UHY LLP
Employee Benefit Plan Auditor
St Louis, MO
Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member
Stats: 469 plans audited • $32.5B under management
Company: Est. 1957
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Deloitte & Touche LLP
Employee Benefit Plan Auditor • Pro Score 3.3
Chicago, IL
Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member
Stats: 459 plans audited • $955.3B under management
Company: Est. 1845 • 470,000 employees
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Weaver and Tidwell, L.L.P.
Employee Benefit Plan Auditor
Houston, TX
Credentials: AICPA Member • Plan Audit Quality Center (EBPAQC)
Stats: 452 plans audited • $143.4B under management
Company: Est. 1950 • 1,500 employees
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Armanino LLP
Employee Benefit Plan Auditor • Pro Score 3.5
San Ramon, CA
Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member
Stats: 446 plans audited • $55.1B under management
Company: Est. 1969 • 2,495 employees
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Bonadio & Co LLP
Employee Benefit Plan Auditor • Pro Score 3.5
Pittsford, NY
Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member
Stats: 444 plans audited • $50.7B under management
Company: Est. 1978
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Doeren Mayhew Assurance
Employee Benefit Plan Auditor
Troy, MI
Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member
Stats: 411 plans audited • $24.8B under management
Company: Est. 2003 • 550 employees
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PricewaterhouseCoopers LLP
Employee Benefit Plan Auditor
Boston, MA
Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member
Stats: 405 plans audited • $943.5B under management
Company: Est. 1998
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LBMC, PC
Employee Benefit Plan Auditor
Brentwood, TN
Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member
Stats: 402 plans audited • $75.5B under management
Company: Est. 1984 • 900 employees
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Lee CPA Audit Group
Employee Benefit Plan Auditor
Folsom, CA
Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member
Stats: 372 plans audited • $5.5B under management
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Moss Adams LLP
Employee Benefit Plan Auditor • Pro Score 3.3
Seattle, WA
Credentials: PCAOB Registered • Plan Audit Quality Center (EBPAQC)
Stats: 363 plans audited • $211.6B under management
Company: Est. 1913 • 3,800 employees
Why plans audited matters when choosing an employee benefit plan auditor
An employee benefit plan auditor should be able to show meaningful experience with retirement and welfare plan engagements, not just general assurance work. This page ranks firms by plans audited so plan sponsors, fiduciaries, and finance teams can quickly see which auditors appear to handle the most employee benefit plan work in the market. Higher audit volume does not replace independence, partner fit, or fee discipline, but it is a practical signal that a firm is familiar with Form 5500 reporting, ERISA expectations, and the operational realities of plan audits across multiple client situations.
If you want a broader starting point, begin with the main auditor directory. If your search is tied to a specific plan design, you can also compare 401(k) auditors, 403(b) auditors, defined benefit auditors, health and welfare plan auditors, and PEP 401(k) auditors.
How to use this page
The default ranking on this page sorts firms by plans audited in descending order. That makes it easier to identify firms with larger apparent employee benefit plan audit books before you narrow by state, credentials, or qualitative fit. Once you have a short list, review each provider profile for licensing, audit specialization, and any additional signals that matter to your committee or procurement process.
- Use audit volume as an initial screen, not the only decision factor.
- Check whether the firm has experience with your plan type, filing complexity, and participant size.
- Look for credential and quality signals that support technical depth.
- Compare local coverage and industry familiarity if your plan has specialized needs.
Some sponsors will also want to compare the advisory side of the market alongside audit vendors, especially when they are reevaluating governance, benchmarking, or fiduciary support at the same time. In that case, it can help to review the largest retirement plan advisors page or browse the largest 401(k) plans dataset to understand the size tiers and sponsor profiles that commonly drive more complex plan oversight needs.
What to evaluate beyond the ranking
The strongest employee benefit plan auditor for your organization is not always the one with the highest raw count. A sponsor with a complex 401(k), 403(b), or defined benefit environment may care more about plan-type overlap, internal review processes, partner access, and the firm's ability to coordinate with recordkeepers, custodians, and counsel on audit requests. A smaller sponsor may prioritize responsiveness, a clear request list, and predictable fees over sheer scale.
Use this category page as a high-intent starting point for discovery. The ranking helps surface firms with visible audit activity, while the linked plan-specific pages make it easier to continue into a more precise comparison path once you know whether your priority is 401(k), 403(b), defined benefit, health and welfare, or pooled employer plan coverage.