One of the biggest shocks for new founders is the loss of the "employer match." In the corporate world, if you put 5% of your salary into a 401(k), your employer often adds another 5%. As a founder, you are both the employer and the employee. This means you have to be "highly disciplined" in contributing to your own plan . The good news is that the IRS provides several powerful retirement vehicles specifically for the self-employed that often have higher contribution limits than standard workplace plans .
The Solo 401(k): The High-Limit Powerhouse
The Solo 401(k) (also called a one-participant 401(k)) is designed for business owners with no employees other than a spouse .
Why it’s Popular
It allows you to contribute in two capacities:
- As the Employee: You can make "elective deferrals" up to $23,000 (for 2024) .
- As the Employer: You can contribute up to 25% of your net earnings .
The total contribution limit is a staggering $69,000 for 2024 ($76,500 if you are 50 or older) . This is significantly higher than the $7,000 limit for a traditional IRA .
The SEP IRA: The Simple Solution
The Simplified Employee Pension (SEP) IRA is the easiest plan to set up and operate, making it a favorite for freelancers and solo consultants .
- Contributions: Only the employer contributes. You can put in up to 25% of your net earnings, capped at $69,000 for 2024 .
- Flexibility: You can vary your contributions each year. If the business has a lean year, you can skip the contribution entirely .
- The Catch: If you have employees, you must contribute the same percentage of their salary to their SEP IRAs as you do for yourself .
The SIMPLE IRA: The Small Team Choice
The Savings Incentive Match Plan for Employees (SIMPLE) IRA is best for businesses with 100 or fewer employees .
- How it Works: It functions like a mini-401(k). Employees contribute via salary deferral, and the employer is required to match those contributions (usually up to 3%) or make a fixed 2% contribution for everyone .
- Limits: The contribution limit is lower than a Solo 401(k)—$16,000 for 2024 ($19,500 for those 50+) .
- Penalty Warning: Withdrawals before age 59½ carry a 10% penalty, but this jumps to 25% if you withdraw within the first two years of opening the account .
The HSA: The "Secret" Retirement Account
If you have a high-deductible health plan (HDHP), you can open a Health Savings Account (HSA). While designed for medical costs, it is a "triple tax-advantaged" tool: contributions are tax-deductible, growth is tax-free, and withdrawals for medical expenses are tax-free .
The Retirement Strategy: You can let the money grow for decades. After age 65, you can withdraw the money for any reason. If used for non-medical costs, it is taxed like a traditional IRA, but the penalty disappears . For the self-employed, you also save 15.3% on SECA taxes (Social Security and Medicare) on your HSA contributions .
| Plan Type | Max Contribution (2024) | Best For |
|---|---|---|
| Solo 401(k) | $69,000 | Solo owners wanting max savings |
| SEP IRA | $69,000 (Employer only) | Easy setup, flexible contributions |
| SIMPLE IRA | $16,000 + Match | Small businesses with employees |
| Traditional IRA | $7,000 | Anyone with earned income |
Step-by-Step: Setting Up Your Retirement Plan
- Evaluate Your Income: Since most plans limit contributions to a percentage of profit, you won't know your exact limit until the end of the year .
- Choose a Custodian: Work with a financial institution (like Fidelity or Vanguard) to open the account .
- Automate: Set up a recurring transfer. "Paying yourself first" means saving before you spend on discretionary items .
- Consolidate: If you have old 401(k)s from previous jobs, consider a "rollover" into your new plan to keep your assets in one place .

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