401(k) Plan Providers

Discover top-rated 401(k) plan providers to streamline your retirement plan administration. Browse our comprehensive directory of trusted recordkeepers, third-party administrators (TPAs), and compliance experts dedicated to optimizing employee benefits. Compare services to find the perfect partner for ensuring ERISA compliance and maximizing plan performance

Browse 48 providers in this category.

Provider ranking

  1. July Business Services

    Plan Administrator

    Waco, TX

    Stats: 8,386 clients • $16.0B under management • 196K participants

    Company: Est. 1994 • 700 employees

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  2. Sharebuilder 401k

    Plan Administrator • Pro Score 3.1

    Seattle, WA

    Stats: 6,500 clients • $2.0B under management • 150K participants

    Company: Est. 2005 • 51 employees

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  3. 401GO

    Plan Administrator • Pro Score 4.3

    Sandy, UT

    Stats: 5,055 clients • $12.0B under management • 54K participants

    Pricing: $25 base fee • $2/employee

    Company: Est. 2017 • 105 employees

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  4. Employee Fiduciary

    Plan Administrator

    Mobile, AL

    Stats: 4,865 clients • $6.8B under management • 107K participants

    Pricing: $1,500 base fee • $30/employee

    Company: 75 employees

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  5. BPAS

    Plan Administrator

    Utica, NY

    Stats: 3,478 clients • $110.0B under management • 348K participants

    Company: Est. 1991 • 172 employees

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  6. Alight Solutions

    Plan Administrator • Pro Score 2.4

    Chicago, IL

    Stats: 2,000 clients • $600.0B under management • 117.0M participants

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  7. Americas Best 401k

    Plan Administrator • Pro Score 3.1

    Scottsdale, AZ

    Credentials: RIA - Registered Investment Advisor

    Stats: 2,000 clients • $1M under management • 40.0M participants

    Pricing: $133 base fee • $5/employee

    Company: Est. 2012 • 49 employees

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  8. Betterment at Work

    Plan Administrator • Pro Score 3.0

    New York, NY

    Stats: 2,000 clients • $30M under management

    Pricing: $100 base fee • $5/employee

    Company: Est. 2009 • 466 employees

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  9. Sentinel Group

    Plan Administrator

    Wakefield, MA

    Stats: 1,900 clients • $13.0B under management • 260K participants

    Company: Est. 1987 • 260 employees

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  10. Milliman

    Plan Administrator

    Seattle, WA

    Stats: 1,463 clients • $140.5B under management • 2.0M participants

    Company: Est. 1947 • 3,500 employees

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  11. Charles Schwab & Co., Inc.

    Plan Administrator • Pro Score 2.1

    Westlake, TX

    Stats: 1,179 clients • $341.7B under management • 1.6M participants

    Company: Est. 1971 • 4,200 employees

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  12. NWPS

    Plan Administrator

    Seattle, WA

    Stats: 997 clients • $56.6B under management • 360K participants

    Company: 120 employees

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  13. ForUsAll

    Plan Administrator

    San Carlos, CA

    Stats: 500 clients • $1 under management • 80K participants

    Pricing: $120 base fee • $6/employee

    Company: Est. 2012 • 58 employees

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  14. Basic Capital

    Plan Administrator • Verified

    New York, NY

    Pricing: $0 base fee • $5/employee

    Company: Est. 2021 • 24 employees

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  15. Carry

    Plan Administrator • Pro Score 3.0

    Credentials: RIA - Registered Investment Advisor

    Pricing: $299 base fee

    Company: Est. 2022 • 10 employees

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  16. TIAA

    Plan Administrator • Pro Score 1.9

    New York, NY

    Stats: $600.0B under management

    Company: Est. 1918

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  17. Transamerica

    Plan Administrator • Pro Score 2.5

    Cedar Rapids, IA

    Stats: $416.0B under management

    Company: Est. 1946

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Navigating the Complex Ecosystem of 401(k) Plan Providers

Selecting the right service providers for your company's retirement plan is one of the most critical decisions a plan sponsor can make. A robust 401(k) plan does more than just help employees save for the future; it serves as a vital tool for talent acquisition and retention. However, managing these plans requires a coordinated effort between several distinct professionals, each handling specific aspects of administration, investment management, and legal compliance. Whether you are launching a startup plan or restructuring an existing large-plan framework, understanding the specialized roles of these providers is essential for minimizing fiduciary liability and maximizing participant outcomes.

The Difference Between Recordkeepers, TPAs, and Advisors

Many plan sponsors confuse the roles of their service partners. While a recordkeeper tracks participant assets and issues statements, a Third-Party Administrator (TPA) typically handles the complex testing required to ensure the plan remains tax-qualified. However, the financial health of the plan often relies on qualified plan advisors. These financial professionals act as investment fiduciaries, helping sponsors build a diverse investment lineup and educating employees on their savings options. By leveraging an experienced advisor, companies can better monitor investment fees and performance, ensuring they meet their rigorous fiduciary duties under federal law.

Prioritizing ERISA Compliance and Audit Readiness

As your company grows, the regulatory scrutiny on your retirement plan increases. Under the Employee Retirement Income Security Act (ERISA), plans with more than 100 eligible participants are generally required to file an audited Form 5500 annually. This is where specialized 401(k) auditors become indispensable. Unlike general corporate audits, a benefit plan audit requires specific expertise in Department of Labor regulations. Similarly, if your plan faces correction programs or complex amendments, engaging ERISA attorneys can protect your business from costly penalties and disqualification. These legal experts guide sponsors through Department of Labor investigations and help structure plan documents to withstand regulatory challenges.

Solutions for Small Businesses and Startups

For smaller organizations, the landscape is shifting rapidly due to legislation like the SECURE Act 2.0, which offers tax credits for starting new plans. Finding the right small business 401(k) solution often involves balancing cost efficiency with scalable technology. Modern providers now offer streamlined "Safe Harbor" plan designs that automatically satisfy non-discrimination testing, reducing the administrative burden on business owners. By utilizing our directory to compare providers by state and specialty, plan sponsors can build a team of experts tailored to their specific size, location, and compliance needs.