Top 401(k) Plan Auditors

Find experienced 401(k) plan auditors. Compare credentials, pricing, and expertise.

Browse 933 providers in this category.

Provider ranking

  1. Baker Tilly US LLP

    Employee Benefit Plan Auditor • Pro Score 3.7

    Madison, WI

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 2,517 plans audited • $403.9B under management

    Company: Est. 1931 • 10,001 employees

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  2. Cliftonlarsonallen LLP

    Employee Benefit Plan Auditor • Pro Score 3.2

    Akron, OH

    Credentials: Other • AICPA Member • Plan Audit Quality Center (EBPAQC)

    Stats: 2,228 plans audited • $245.6B under management

    Company: Est. 2012 • 8,800 employees

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  3. Forvis Mazars, LLP

    Employee Benefit Plan Auditor • Pro Score 3.8

    Springfield, MO

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 1,824 plans audited • $268.9B under management

    Company: Est. 2003 • 40,000 employees

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  4. Caron Bletzer, PLLC

    Employee Benefit Plan Auditor • Pro Score 3.6

    Kingston, NH

    Credentials: PCAOB Registered

    Stats: 873 plans audited • $69.0B under management

    Company: Est. 1993

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  5. BDO USA P.C.

    Employee Benefit Plan Auditor • Pro Score 2.3

    Philadelphia, PA

    Credentials: AICPA Member • Plan Audit Quality Center (EBPAQC)

    Stats: 837 plans audited • $287.1B under management

    Company: Est. 1910

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  6. Eide Bailly LLP

    Employee Benefit Plan Auditor • Pro Score 2.9

    Fargo, ND

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 791 plans audited • $61.4B under management

    Company: Est. 1998 • 3,300 employees

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  7. RSM LLP

    Employee Benefit Plan Auditor • Pro Score 3.3

    Chicago, IL

    Stats: 737 plans audited • $89.0B under management

    Company: Est. 1926

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  8. Pension Assurance LLP

    Employee Benefit Plan Auditor

    Woodland Hills, CA

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 730 plans audited • $28.5B under management

    Company: Est. 2014

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  9. Wipfli LLP

    Employee Benefit Plan Auditor

    Eau Claire, WI

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 647 plans audited • $51.9B under management

    Company: Est. 1986 • 3,000 employees

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  10. WithumSmith+Brown PC

    Employee Benefit Plan Auditor

    Princeton, NJ

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 557 plans audited • $103.6B under management

    Company: Est. 1986 • 2,500 employees

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  11. Grant Thornton LLP

    Employee Benefit Plan Auditor • Pro Score 3.6

    Oakbrook Terrace, IL

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 443 plans audited • $288.5B under management

    Company: Est. 1924

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  12. EisnerAmper LLP

    Employee Benefit Plan Auditor

    Iselin, NJ

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 400 plans audited • $66.0B under management

    Company: Est. 1965 • 4,000 employees

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  13. Sikich CPA LLC

    Employee Benefit Plan Auditor

    Naperville, IL

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 392 plans audited • $23.9B under management

    Company: Est. 1982 • 1,950 employees

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  14. UHY LLP

    Employee Benefit Plan Auditor

    St Louis, MO

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 367 plans audited • $21.0B under management

    Company: Est. 1957

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  15. LBMC, PC

    Employee Benefit Plan Auditor

    Brentwood, TN

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 324 plans audited • $49.7B under management

    Company: Est. 1984 • 900 employees

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  16. Pricekubecka, PLLC

    Employee Benefit Plan Auditor • Pro Score 3.3

    Addison, TX

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 320 plans audited • $5.0B under management

    Company: Est. 2025

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  17. PKF O'Connor Davies, LLP

    Employee Benefit Plan Auditor

    Harrison, NY

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 316 plans audited • $70.9B under management

    Company: Est. 1891 • 1,000 employees

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  18. Doeren Mayhew Assurance

    Employee Benefit Plan Auditor

    Troy, MI

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 314 plans audited • $17.6B under management

    Company: Est. 2003 • 550 employees

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  19. Lee CPA Audit Group

    Employee Benefit Plan Auditor

    Folsom, CA

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 313 plans audited • $4.4B under management

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  20. Ernst & Young LLP

    Employee Benefit Plan Auditor • Pro Score 4.1

    New York, NY

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 308 plans audited • $673.7B under management

    Company: Est. 1989

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  21. Armanino LLP

    Employee Benefit Plan Auditor • Pro Score 3.5

    San Ramon, CA

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 286 plans audited • $40.8B under management

    Company: Est. 1969 • 2,495 employees

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  22. Aprio LLP

    Employee Benefit Plan Auditor

    Matthews, NC

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 279 plans audited • $15.4B under management

    Company: Est. 1952 • 540 employees

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  23. Weaver and Tidwell, L.L.P.

    Employee Benefit Plan Auditor

    Houston, TX

    Credentials: AICPA Member • Plan Audit Quality Center (EBPAQC)

    Stats: 279 plans audited • $106.7B under management

    Company: Est. 1950 • 1,500 employees

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  24. Deloitte & Touche LLP

    Employee Benefit Plan Auditor • Pro Score 3.3

    Chicago, IL

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 263 plans audited • $609.4B under management

    Company: Est. 1845 • 470,000 employees

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  25. Warren Averett, LLC

    Employee Benefit Plan Auditor

    Birmingham, AL

    Credentials: Plan Audit Quality Center (EBPAQC) • AICPA Member

    Stats: 255 plans audited • $51.7B under management

    Company: Est. 1957

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Choosing the Right Retirement Plan Provider: A Focus on the 401k Auditor Role

Selecting a retirement plan provider is one of the most significant decisions a business owner can make. The right provider offers essential services, manages complex regulations, and ultimately helps employees secure their financial future. When comparing options, understanding the role of key oversight personnel, like the 401k auditor, is crucial for maintaining compliance and minimizing risk.

A retirement plan provider is responsible for administering the plan, handling investments, managing recordkeeping, and ensuring regulatory adherence. For larger plans, federal law often mandates an annual independent audit by a qualified 401k auditor. This audit verifies the plan’s financials and ensures operational compliance with ERISA (Employee Retirement Income Security Act) rules.

Why the 401k Auditor Matters in Provider Selection

The audit process is complex, and the quality of your plan provider can directly impact the ease and success of the annual review. A high-quality provider will:

  • Maintain impeccable records, simplifying the data collection for the 401k auditor.
  • Implement robust internal controls to prevent errors and fraudulent activity.
  • Stay current with changing regulations to ensure the plan remains compliant year-round.

Choosing a provider with a proven track record of successful audits and strong fiduciary support can significantly reduce your administrative burden and liability. When evaluating potential partners, inquire about their internal compliance teams and how they assist clients in preparing for and responding to the findings of an independent 401k auditor.

Key Services Offered by Top Retirement Plan Providers

While compliance is paramount, providers also offer a range of services designed to enhance the plan for both the employer and the participants. These include:

  • Fiduciary Support: Offering guidance and taking on some of the fiduciary responsibilities to lessen the employer's risk.
  • Investment Selection: Providing access to a diverse menu of investment options and professional investment management services.
  • Participant Education: Offering workshops, tools, and personalized advice to help employees make informed decisions about their savings.
  • Technology and Administration: State-of-the-art platforms for seamless enrollment, contribution processing, and reporting.

The right provider acts as a strategic partner, helping you navigate complex legal requirements while delivering maximum value to your employees. Whether you are launching a new plan or looking to switch providers, thorough due diligence is essential. Focus on finding a provider who prioritizes transparency, compliance, and participant success. A strong relationship with your provider will ensure that when your plan is reviewed by a 401k auditor, the process is smooth and stress-free.

Take the time to explore your options and find a provider whose expertise in administration and commitment to compliance aligns with your business needs and long-term goals.