Updated 2026-03-20

TIAA vs Paychex 401(k) Comparison

Compare TIAA (#9, 7.9/10) and Paychex (#16, 7.0/10) side by side across fees, ratings, features, and investment options.

Overall Comparison

FeatureTIAAPaychex
Overall Score7.9/107.0/10
Rank#9#16
AUM$1.3 trillion$48 billion
Participants5 million730,000
Plan Sponsors15,000+740,000+
Founded19181971

Ratings Comparison

CategoryTIAAPaychex
Fees & Costs4.0/53.4/5
Investment Options4.0/53.6/5
Customer Service4.3/53.8/5
Mobile App3.9/53.5/5

Fee Comparison

Fee TypeTIAAPaychex
Admin FeesVaries by institution$80 - $150/month + per-employee fees
Expense Ratios0.05% - 1.0%0.10% - 1.2%
Trading Fees$0 for TIAA fundsIncluded
Advisory Fees0.30% - 1.0%0.50% - 1.0%

TIAA Strengths

Paychex Strengths

Rollover, Loans & Withdrawals

FeatureTIAAPaychex
Rollover PlatformTIAA.orgPaychex Flex
Loans AvailableYesYes
Withdrawal MethodsOnline via TIAA.org, Phone (800-842-2252), TIAA officesOnline via Paychex Flex, Phone (800-741-6277), Through plan administrator
Distribution OptionsLump sum, Partial withdrawal, Lifetime income annuity, Systematic withdrawals, Rollover to IRALump sum, Partial withdrawal, Installment payments, Rollover to IRA, Required Minimum Distributions

Which Should You Choose?

Choose TIAA if you want:

  • Educators
  • Nonprofits
  • Healthcare workers
  • Income-focused retirees

Choose Paychex if you want:

  • Paychex payroll clients
  • Small to mid-size businesses
  • Companies wanting bundled HR+retirement
  • PEO participants

Our Verdict: TIAA vs Paychex

TIAA wins this comparison with a score of 7.9/10 vs 7.0/10. TIAA excels with dominant in education sector, making it the stronger choice for most investors in this matchup. However, the best choice ultimately depends on your specific needs, employer plan availability, and investment preferences.

Full TIAA Review Full Paychex Review

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TIAA vs Paychex: Complete 401(k) Comparison for 2026

Choosing between TIAA and Paychex for your 401(k) is an important decision that affects your retirement savings. TIAA offers education focus while Paychex is known for payroll integration. In terms of fees, TIAA charges 0.05% - 1.0% expense ratios compared to Paychex's 0.10% - 1.2%. TIAA manages $1.3 trillion in assets and serves 5 million participants, while Paychex has $48 billion AUM and 730,000 participants.

Key Differences: TIAA vs Paychex

When comparing TIAA and Paychex, consider their core strengths: TIAA excels with dominant in education sector, while Paychex stands out for seamless payroll-to-401(k) contribution processing. Both providers offer a wide range of investment options including target-date funds, index funds, and managed accounts. TIAA's customer service rating is 4.3/5 compared to Paychex's 3.8/5. For mobile experience, TIAA scores 3.9/5 while Paychex scores 3.5/5.

Which Provider is Right for You?

Choose TIAA if you prioritize educators. Choose Paychex if you're looking for paychex payroll clients. Your decision should also consider your employer's plan availability, fee sensitivity, desired investment options, and customer service expectations. For detailed reviews, visit our individual TIAA and Paychex provider pages.

Frequently Asked Questions

TIAA scores higher in our 2026 rankings with 7.9/10. TIAA is best for educators, while Paychex is best for paychex payroll clients. The right choice depends on your employer's plan and your priorities.

TIAA charges expense ratios of 0.05% - 1.0% with admin fees of Varies by institution. Paychex charges 0.10% - 1.2% expense ratios with admin fees of $80 - $150/month + per-employee fees. TIAA's fees rating is 4.0/5 compared to Paychex's 3.4/5.

Yes, you can roll over between TIAA and Paychex. TIAA uses TIAA.org for rollovers, while Paychex uses Paychex Flex. A direct rollover avoids mandatory tax withholding. Contact your new provider to initiate the transfer.

TIAA offers 401(k) loans. Paychex offers 401(k) loans. Both providers typically allow loans up to 50% of your vested balance or $50,000, whichever is less.

TIAA scores 4.0/5 for investment options, while Paychex scores 3.6/5. Both offer target-date funds, index funds, and managed accounts. TIAA's investment options include TIAA Funds, CREF Variable Annuities, Target Date Funds. Paychex offers Mutual Funds, Target Date Funds, Index Funds.

For small businesses, consider plan minimums and per-participant costs. TIAA is best for educators, nonprofits, healthcare workers, income-focused retirees. Paychex is best for paychex payroll clients, small to mid-size businesses, companies wanting bundled hr+retirement, peo participants. Compare admin fees: TIAA charges Varies by institution vs Paychex's $80 - $150/month + per-employee fees.

Pavlo Pyskunov

Pavlo Pyskunov

Managing Director & Investment Fund Director

Pavlo Pyskunov analyzes employer-sponsored retirement plans using IRS publications and DOL Form 5500 filings, helping workers maximize their 401(k) savings through data-driven guidance.

Last updated: 2026-03-20