If you’re self-employed — freelancer, consultant, gig worker, small business owner — you have access to retirement accounts with higher contribution limits than most W-2 employees get. The catch: nobody sets them up for you. This guide compares every self-employed retirement option, shows you exactly how much you can contribute at different income levels, and tells you which account to open based on your situation.
Quick Answer: Which Account Is Best for You?
| Your Situation | Best Account | Why |
|---|---|---|
| Solo freelancer, any income | Solo 401(k) | Highest contributions, Roth option, loan option |
| Solo freelancer, want simplest setup | SEP IRA | Open and fund in 15 minutes, no annual filings |
| Self-employed with 1-100 employees | SIMPLE IRA | Low admin cost, mandatory employer match |
| High earner ($250K+) wanting massive deductions | Defined benefit plan | Contribute well into six figures per year, actuarially determined |
| Side hustle + full-time W-2 job | SEP IRA or Solo 401(k) | Stack on top of employer 401(k) |
Self-Employed Retirement Accounts Compared
| Feature | SEP IRA | Solo 401(k) | SIMPLE IRA | Defined Benefit Plan |
|---|---|---|---|---|
| 2026 contribution limit | Up to 25% of net SE income (max $72,000) | $24,500 employee + 25% employer (max $72,000 total) | $17,000 + $4,000 catch-up | Actuarially determined; can exceed $100,000+/year |
| Roth option | ❌ No | ✅ Yes | ❌ No | ❌ No |
| Loan provision | ❌ No | ✅ Yes (up to $50,000) | ❌ No | ❌ No |
| Catch-up (age 50+) | N/A | $8,000 additional ($11,250 for ages 60-63) | $4,000 additional ($5,250 for ages 60-63) | Built into formula |
| Can have employees | ✅ Yes (must contribute for all) | ❌ No (owner + spouse only) | ✅ Yes (1-100 employees) | ✅ Yes |
| Setup deadline | Tax filing deadline | Dec 31 of tax year | Oct 1 of tax year | Tax filing deadline |
| Annual IRS filing | None | Form 5500-EZ (if >$250K) | None | Form 5500 + actuarial report |
| Setup cost | $0 | $0-$100 | $0-$50 | $1,000-$3,000+ |
| Annual admin cost | $0 | $0-$50 | $0-$25 | $1,000-$2,500 (actuarial fees) |
How Much Can You Actually Contribute?
Contribution limits depend on your net self-employment income after the self-employment tax deduction.
SEP IRA Contributions by Income
| Net SE Income | SE Tax Deduction | Adjusted Income | SEP Contribution (25%) |
|---|---|---|---|
| $50,000 | -$3,533 | $46,467 | $11,617 |
| $75,000 | -$5,299 | $69,701 | $17,425 |
| $100,000 | -$7,065 | $92,935 | $23,234 |
| $150,000 | -$10,597 | $139,403 | $34,851 |
| $200,000 | -$14,130 | $185,870 | $46,468 |
| $288,000+ | -$20,347 | $267,653 | $66,913 (approaching $72,000 cap) |
Solo 401(k) Contributions by Income
| Net SE Income | Employee Deferral | Employer Contribution (25%) | Total |
|---|---|---|---|
| $50,000 | $24,500 | $11,617 | $36,117 |
| $75,000 | $24,500 | $17,425 | $41,925 |
| $100,000 | $24,500 | $23,234 | $47,734 |
| $150,000 | $24,500 | $34,851 | $59,351 |
| $200,000 | $24,500 | $46,468 | $70,968 |
| $250,000+ | $24,500 | $47,500 (hits $72,000 cap) | $72,000 |
The Solo 401(k) advantage is clear at lower incomes. At $50K net income, a Solo 401(k) lets you contribute $36,117 vs. $11,617 in a SEP IRA — roughly triple the amount — because of the $24,500 employee deferral.
Solo 401(k) with Catch-Up (Age 50+)
| Net SE Income | Employee Deferral | Catch-Up | Employer (25%) | Total |
|---|---|---|---|---|
| $75,000 | $24,500 | $8,000 | $17,425 | $49,925 |
| $100,000 | $24,500 | $8,000 | $23,234 | $55,734 |
| $150,000 | $24,500 | $8,000 | $34,851 | $67,351 |
| $200,000+ | $24,500 | $8,000 | $39,500 (hits $72,000 cap) | $72,000 |
The 2026 catch-up brings the total ceiling to $80,000 for those 50-59 or 64+, and $83,250 for ages 60-63 (with the $11,250 enhanced catch-up).
Deep Dive: SEP IRA
Who It’s Best For
- Solo freelancers who want the simplest possible setup
- Self-employed people with employees (SEP requires equal % contributions for all eligible employees)
- Last-minute retirement savers (can open and fund up to tax filing deadline, including extensions)
How It Works
- Open a SEP IRA at any brokerage (Fidelity, Schwab, Vanguard — all free)
- Contribute up to 25% of net self-employment income
- Deduct the full contribution from your taxable income
- All contributions are pre-tax (Traditional) — no Roth option
- No annual IRS filings required
SEP IRA Pros and Cons
| Pros | Cons |
|---|---|
| Open and fund in 15 minutes | No Roth option |
| No annual IRS filings | No employee deferrals (only employer contributions) |
| Can open up to tax deadline | Must contribute same % for all eligible employees |
| No minimum contributions | Lower limits at low incomes vs. Solo 401(k) |
| Free at major brokerages | No loan provision |
Choosing a SEP IRA Provider
Major low-cost brokerages (Fidelity, Schwab, Vanguard, and others) generally offer $0-fee SEP IRAs with broad fund selection, including low-cost index funds. Compare current account fees, minimums, and fund lineups directly on each provider’s site before opening, since offerings change.
Deep Dive: Solo 401(k)
Who It’s Best For
- Solo freelancers and consultants with no employees (spouse exception)
- Anyone wanting maximum contribution flexibility
- People who want Roth contributions alongside pre-tax
- Those who might need to borrow from retirement funds
How It Works
- Establish the plan by December 31 of the tax year
- Make employee deferrals (up to $24,500 pre-tax or Roth, 2026)
- Make employer profit-sharing contributions (up to 25% of net SE income)
- File Form 5500-EZ annually if plan assets exceed $250,000
- Employer contributions can be made up to the tax filing deadline
Solo 401(k) Pros and Cons
| Pros | Cons |
|---|---|
| Highest contribution limits at any income | Must open by Dec 31 (can’t do retroactively) |
| Roth option available | Annual filing at $250K+ plan assets |
| Loan provision (up to $50K or 50% of balance) | Can’t have employees (besides spouse) |
| Employee + employer contribution flexibility | Slightly more complex setup |
| Can combine pre-tax and Roth in one plan | More paperwork than SEP |
Roth Solo 401(k): The Power Move
You can designate your $24,500 employee deferral as Roth, while still making employer contributions pre-tax. This gives you:
| Contribution Type | Amount (at $100K income) | Tax Treatment |
|---|---|---|
| Roth employee deferral | $24,500 | No deduction now, tax-free at withdrawal |
| Pre-tax employer profit-sharing | $23,234 | Deduction now, taxed at withdrawal |
| Total | $47,734 | Mixed tax buckets for retirement flexibility |
This dual approach hedges against future tax rate changes.
Choosing a Solo 401(k) Provider
Major brokerages (Fidelity, Schwab, E*TRADE, Vanguard) all offer Solo 401(k) plans, though fee structures, Roth availability, and loan provisions vary by provider — confirm the current offering directly, since these details change over time.
Deep Dive: SIMPLE IRA
Who It’s Best For
- Self-employed with 1-100 employees
- Small businesses wanting low-cost retirement benefits
- Businesses where the owner earns under $150K (higher earners benefit more from Solo 401(k) or defined benefit)
SIMPLE IRA Contribution Limits (2026)
| Contribution Type | Limit |
|---|---|
| Employee salary deferral | $17,000 |
| Catch-up (age 50+) | $4,000 additional |
| Catch-up (ages 60-63) | $5,250 additional (replaces the $4,000) |
| Employer match (mandatory) | 3% dollar-for-dollar match OR 2% non-elective contribution |
| Maximum total | $21,000 (under 50) / $25,000 (50-59, 64+) / $26,250 (60-63), plus employer contribution |
Some small employers (generally those with 25 or fewer employees) may offer an enhanced SIMPLE with a higher $18,100 base deferral and $5,250/$5,250 catch-up structure — confirm your specific plan’s limit with your provider.
SIMPLE IRA vs. SEP IRA for Small Business Owners
| Factor | SIMPLE IRA | SEP IRA |
|---|---|---|
| Employee contribution allowed | ✅ Yes ($17,000) | ❌ No (employer only) |
| Employer cost per employee | 3% match or 2% flat | Up to 25% (same % for all) |
| Setup deadline | Oct 1 | Tax filing deadline |
| Max contribution at $100K income | Employee deferral plus employer match — confirm your specific numbers | ~$23,234 |
| Better for | Owners wanting employees to contribute | High earners wanting maximum deduction |
Deep Dive: Defined Benefit Plan
Who It’s Best For
- High earners ($250K+ net SE income) wanting massive tax deductions
- People 45+ who need to catch up on retirement savings
- Professionals (dentists, doctors, lawyers, consultants) with stable high income
How Much You Can Contribute
Defined benefit plans allow contributions based on your age and desired retirement benefit, calculated actuarially. Older participants with less time to fund a target benefit can generally contribute substantially more per year than younger participants — commonly well into six figures annually for those in their 50s and 60s. An actuary must calculate your specific allowable contribution; illustrative industry figures should not be treated as guaranteed for your situation.
Defined Benefit Plan Pros and Cons
| Pros | Cons |
|---|---|
| Largest possible tax deduction | $1,000-$3,000+ annual actuarial fees |
| Can contribute well into six figures per year | Mandatory contributions (must fund every year) |
| Can combine with Solo 401(k) | Complex setup and administration |
| Creditor protection in most states | Need stable, predictable income |
| Accelerates retirement savings for late starters | Must commit for several years |
Combo Strategy: Solo 401(k) + Defined Benefit Plan
For maximum contributions, pair both plans:
| Plan | 2026 Contribution |
|---|---|
| Solo 401(k) | Up to $72,000 |
| Defined benefit plan | Actuarially determined — often a substantial additional six-figure amount for older, higher-earning participants |
| Combined | Can exceed $200,000/year for eligible high earners |
This dual approach is most common among high-earning professionals. Requires a third-party administrator (TPA) — get a specific proposal for your situation rather than relying on generic figures.
Side Hustle + W-2 Job: How to Stack Accounts
If you have self-employment income alongside a regular W-2 job, you can contribute to both your employer’s plan and a self-employed plan.
Stacking Rules
| Limit | What It Covers | 2026 Amount |
|---|---|---|
| Employee deferral limit | Shared across ALL 401(k)/403(b)/SIMPLE plans | $24,500 total |
| Employer contribution limit | Per-plan (not shared) | 25% of compensation per plan |
| Total annual additions limit | Per-plan | $72,000 per plan |
Example: $80K W-2 + $40K Side Hustle
| Account | Contribution | Source |
|---|---|---|
| Employer 401(k) | $24,500 (employee deferral, pre-tax) | W-2 income |
| Employer 401(k) match | $4,800 (6% match) | Employer |
| SEP IRA (side hustle) | $9,234 (25% of adjusted SE income) | Self-employment income |
| Total retirement savings | $38,534 |
Important: Since you used your $24,500 employee deferral at your W-2 job, you can only make employer (profit-sharing) contributions to your SEP IRA or Solo 401(k). You cannot contribute another $24,500 as employee deferrals.
Decision Flowchart
-
Do you have employees (besides a spouse)?
- Yes → SEP IRA (simplest) or SIMPLE IRA (employees can contribute)
- No → Continue to #2
-
Is your net SE income under $72,000?
- Yes → Solo 401(k) (employee deferral gives you much higher contribution room)
- No → Continue to #3
-
Do you want a Roth option?
- Yes → Solo 401(k) (only self-employed plan with Roth)
- No → Continue to #4
-
Do you want the simplest possible setup?
- Yes → SEP IRA (open in 15 minutes, no annual filings)
- No → Solo 401(k) (more flexible, loans available)
-
Do you earn $250K+ and want massive tax deductions?
- Yes → Defined benefit plan (possibly combined with Solo 401(k))
Tax Impact Comparison at $100K Net SE Income
| Account | Max Contribution | Taxable Income After | Federal Tax Savings (24%) |
|---|---|---|---|
| No retirement account | $0 | $100,000 | $0 |
| SEP IRA | $23,234 | $76,766 | $5,576 |
| Solo 401(k) | $47,734 | $52,266 | $11,456 |
| Solo 401(k) + DB plan | $150,000+ | N/A (need higher income) | N/A |
The Solo 401(k) saves roughly $11,456 in taxes at $100K income — about double the SEP IRA. That’s money that compounds in your retirement account instead of going to the IRS.
For more on workplace retirement plans, see the Workplace Retirement Plans hub.
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