Browse 48 providers in this category.
Provider ranking
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PCS Retirement, LLC
Plan Administrator
Philadelphia, PA
Stats: 15,636 clients • $30.0B under management • 420K participants
Company: Est. 2001 • 359 employees
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Ameritas Retirement Plans
Plan Administrator
Lincoln, NE
Stats: 10,724 clients • $19.0B under management • 404K participants
Company: Est. 1887 • 690 employees
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American Trust Retirement
Plan Administrator
Dubuque, IA
Stats: 5,903 clients • $18.1B under management • 233K participants
Company: Est. 1973 • 202 employees
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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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Guideline, Inc.
Plan Administrator • Pro Score 4.2
Burlingame, CA
Stats: 60,000 clients • $15.0B under management • 500K participants
Pricing: $39 base fee • $4/employee
Company: Est. 2015 • 350 employees
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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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J.P. Morgan Asset Management
Plan Administrator
New York, NY
Stats: 4,516 clients • $12.8B under management • 201K participants
Company: 5,000 employees
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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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Gusto
Plan Administrator
Stats: 40,000 clients • $10.0B under management • 700K participants
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Human Interest
Plan Administrator • Pro Score 4.3 • Verified
San Francisco, CA
Credentials: RIA - Registered Investment Advisor
Stats: 40,000 clients • $8.1B under management • 793K participants
Pricing: $120 base fee • $5/employee
Company: Est. 2015 • 771 employees
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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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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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Ubiquity Retirement + Savings
Plan Administrator • Pro Score 4.0
San Francisco, CA
Stats: 16,000 clients • $300M under management • 100K participants
Pricing: $177 base fee • $6/employee
Company: Est. 2000 • 90 employees
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Journey Retirement Plan Services
Plan Administrator • Verified
Grand Rapids, MI
Stats: 199 clients • $160M under management • 9K participants
Company: 20 employees
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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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KTRADE
Plan Administrator
Plymouth, IN
Stats: 16,000 clients • $26M under management • 675K participants
Company: 35 employees
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Slavic401k
Plan Administrator • Pro Score 2.8
Boca Raton, FL
Stats: 12,000 clients • $10M under management • 250K participants
Company: Est. 1986 • 270 employees
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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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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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Basic Capital
Plan Administrator • Verified
New York, NY
Pricing: $0 base fee • $5/employee
Company: Est. 2021 • 24 employees
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Canada Life
Plan Administrator
Toronto, ON
Company: Est. 1931 • 13,406 employees
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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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My Solo 401k Financial LLC
Plan Administrator
Carlsbad, CA
Company: Est. 2009 • 5 employees
The Top 10 Largest 401(k) Recordkeepers Ranked by Assets
Selecting a recordkeeper is a pivotal decision for any plan sponsor. The market is dominated by a few massive players, yet the "best" provider depends entirely on your company's specific needs—whether that is payroll integration, advanced financial wellness technology, or white-glove service. While assets under management (AUM) indicate stability and scale, the number of plans serviced often highlights a provider's expertise with small-to-mid-sized businesses.
Below is a ranking of the top 10 largest 401(k) recordkeepers. This list highlights their scale and unique value propositions to help you identify the right administrator.
- Fidelity Investments Assets: $4.4 Trillion+ | Plans: 30,000+ Fidelity is the industry titan, managing more retirement assets than any other firm. They are best suited for organizations that prioritize a premium participant experience, offering a top-tier mobile app, extensive educational resources, and a vast array of investment options.
- Empower Assets: $1.8 Trillion+ | Plans: 80,000+ Empower has rapidly grown into the second-largest provider through strategic acquisitions, including Prudential and MassMutual's retirement businesses. They stand out for their focus on personalization and financial wellness, making them a strong choice for employers who want to actively improve their employees' financial health.
- The Vanguard Group Assets: $800 Billion+ | Plans: 14,000+ Synonymous with low-cost investing, Vanguard brings that same philosophy to plan administration. They are the ideal partner for sponsors focused on minimizing fee friction and fiduciary risk, typically offering streamlined, index-based investment lineups.
- Principal Financial Group Assets: $520 Billion+ | Plans: 45,000+ Principal is a powerhouse in the SMB market, offering sophisticated plan designs that many large providers overlook. They are particularly unique in their ability to service complex arrangements, such as combining a 401(k) with a Defined Benefit or ESOP plan.
- Alight Solutions Assets: $600 Billion+ | Plans: 1,500+ Alight caters almost exclusively to the mega-large market, serving some of the biggest corporations in the world. Their platform is built for complexity, excelling in total benefits outsourcing where health, wealth, and payroll are integrated into a single ecosystem.
- Voya Financial Assets: $585 Billion | Plans: 50,000+ Voya is a versatile provider with a strong presence in both the corporate and tax-exempt markets. They are well-regarded for their user-friendly digital tools and "orange money" financial wellness branding, which helps drive high participant engagement rates.
- TIAA Assets: $400 Billion+ (DC Assets) | Plans: 15,000+ TIAA is the dominant force in the non-profit, healthcare, and education sectors (403b), but they are also a major 401(k) player. Their unique value lies in their "pension-like" annuity options, offering participants a path to guaranteed lifetime income.
- Charles Schwab Assets: $300 Billion+ | Plans: 10,000+ Schwab appeals to a specific demographic of professional firms and savvy investors. Their inclusion of a Self-Directed Brokerage Account (SDBA) as a core feature makes them perfect for plans where participants want access to individual stocks and ETFs.
- Ascensus Assets: $250 Billion+ | Plans: 150,000+ Ascensus is the volume leader in the industry, servicing more individual plans than nearly anyone else. They are the engine behind many "white label" small business plans, offering a cost-effective and compliant solution for startups and small employers.
- ADP Retirement Services Assets: $150 Billion+ | Plans: 110,000+ ADP dominates the micro-to-small market by leveraging their payroll customer base. For businesses already using ADP for payroll, their 401(k) solution offers unmatched data integration, significantly reducing the administrative burden of contribution processing.
Find the Right Administrator for Your Business Size
While the "Big Three" offer incredible scale, they aren't always the best fit for every company. If you are a startup or a growing company, you may get better service and pricing from specialized small business 401(k) providers. Alternatively, if you are looking for an all-in-one solution that packages administration, investments, and fiduciary services together, consider exploring bundled 401(k) providers. For a broader look at all administrative options, visit our main guide on 401(k) recordkeepers.