
As a self-employed business owner, you have the freedom to make choices about your retirement savings. This is great news, but it also means you'll need to take the initiative to set up a SEP-IRA plan.
SEP-IRA plans are designed for self-employed individuals and small business owners, with contribution limits of up to 20% of your net earnings from self-employment, up to a maximum of $57,000 in 2022.
You can contribute to a SEP-IRA plan even if you're not currently earning a salary, making it a great option for freelancers and solo entrepreneurs.
Understanding SEP-IRA 401(k)
SEP-IRA 401(k) is a type of retirement plan that allows self-employed individuals and small business owners to make tax-deductible contributions to a retirement account.
These contributions are made on a tax-deductible basis, which means they can reduce your taxable income for the year.
The SEP-IRA 401(k) plan allows for higher contribution limits compared to traditional IRAs, with a maximum annual contribution of $57,000 in 2022.
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What Is A SEP-IRA 401(k)?
A SEP-IRA 401(k) is a type of retirement plan that allows self-employed individuals and small business owners to set aside a portion of their income for retirement.
This plan is similar to a traditional 401(k), but it's specifically designed for those who are self-employed or have a small business.
A SEP-IRA 401(k) can be used by businesses with up to 25 employees, including the owner.
Contributions to a SEP-IRA 401(k) are tax-deductible, which can help reduce your taxable income.
The maximum contribution to a SEP-IRA 401(k) in 2022 is 20% of your net earnings from self-employment, up to a maximum of $57,000.
SEP-IRA 401(k) plans are relatively easy to set up and maintain, making them a popular choice for small business owners.
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Self-Employed 401k Options
You can contribute to both a 401(k) and a SEP IRA in the same year if you have separate sources of earned income, such as working full-time for an employer offering a 401(k) and running a side business.
The total amount you contribute across all plans must stay within the IRS limits for the year, which is $69,000 in 2024, or $73,500 if you're 50 years old or older.
If you own your own business and sponsor both a 401(k) and a SEP IRA for yourself, the rules become more complex, and specialized plan design may be needed.
As long as the SEP IRA plan and the 401(k) plan are offered by separate companies, you can participate in both plans, even if you participate in an employer's retirement plan at a second job.
Your contributions to both plans are still subject to some limitations, and you need to make this clear when you file taxes to avoid any issues.
If you contribute to a 401(k) plan and your employer makes a match, that amount counts toward the overall cap of $70,000, reducing how much you could contribute to the SEP IRA.
In most cases, contributing to both accounts is straightforward only when you are an employee at one job and self-employed separately.
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Contributing to a SEP-IRA 401(k)
You can contribute to a SEP-IRA and a 401(k) plan simultaneously, but only if the plans are offered by separate companies. This means if you have self-employment income from a separate business and also work for an employer that offers a 401(k) plan, you can participate in both plans.
As long as you don't own the company that pays you a W-2, you can participate in both plans. This flexibility is a great perk for self-employed individuals who can take advantage of both plans to maximize their tax savings.
The combined contribution limit for a Self-Employed 401(k) and SEP IRA is $69,000 per year, but it may be lower for the SEP IRA if 25% of a company's income is equivalent to an amount lower than $69,000.
Individuals who are 50 years old or older may be able to contribute $73,500 in 2024, taking advantage of the increased contribution limits for older individuals.
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Differences and Limitations
The main differences and limitations between a SEP IRA and a 401(k) plan are significant, and it's essential to understand them before making a decision.
A SEP IRA is designed for self-employed individuals and small business owners, with only employer contributions allowed, whereas a 401(k) plan allows both employee and employer contributions. This means that SEP IRAs have higher contribution limits based on a percentage of income, but employees cannot contribute their salary deferrals.
One key limitation of SEP IRAs is that contributions cannot exceed the lesser of 25% of compensation or $57,000 for 2020, with no catch-up contributions available. In contrast, 401(k) plans have a $19,500 contribution limit for 2020, plus a $6,500 catch-up contribution for those over age 50.
Here's a comparison of the contribution limits for SEP IRAs and 401(k) plans:
It's worth noting that these limits apply to the total amount of contributions made to all defined contribution plans, not just the SEP IRA or 401(k) plan.
401(k) Differences
One key difference between 401(k) and SEP IRA plans is who contributes to the account. Employees and employers can both contribute to a 401(k), but only employers can contribute to a SEP IRA.
The contribution limits for 401(k) plans are higher for employee deferrals than many other retirement accounts. In 2025, the contribution limit for employee deferrals is $23,500.
On the other hand, SEP IRAs have higher contribution limits based on a percentage of income, with a maximum of 25% of compensation or $70,000, whichever is less.
Here's a comparison of the two plans:
$70,000 (employee + employer)Up to 25% of compensation or $70,000, whichever is less
Employees who participate in a 401(k) through one employer may still qualify to open a SEP IRA if they have separate self-employment income, allowing for contributions beyond the 401(k) limits under certain conditions.
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Self-Employed 401(k) vs IRA: Contribution Limits
The contribution limits for Self-Employed 401(k) and SEP IRA plans are quite generous, with a combined limit of $69,000/year.
If you're planning to use both plans, make sure to file your taxes clearly and keep the combined amount below the limit.
Self-employed individuals over 50 can contribute even more, up to $73,500 in 2024, to make up for previous years.
This is a great benefit for those who are older and want to catch up on their retirement savings.
Keep in mind that if your SEP IRA contribution is based on 25% of your company's income, it may be lower than $69,000.
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Explore Limitations
The SEP plan contribution limit is the lesser of 25% of your compensation or $57,000 for 2020, and catch-up contributions don't apply to employer contributions.
For self-employed individuals, the maximum amount of self-employment compensation that applies for 2020 is $285,000, and this limit applies to all defined contribution plans.
You can participate in both a SEP plan and a 401(k) plan, up to the limits for each plan, if they're offered by different employers.
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The contribution limit for a Self-Employed 401(k) and SEP IRA is $69,000/year, but it may be lower for the SEP IRA if 25% of a company's income is equivalent to an amount lower than $69,000.
If you're over 50, you may be able to contribute $73,500 in 2024 to a Self-Employed 401(k) or SEP IRA, but this is subject to change.
You can roll over a 401(k) into a SEP IRA, but the SEP IRA must first be set up to accept rollover contributions and the funds would retain their tax-deferred status.
The total amount you contribute across all plans must stay within the IRS limits for the year, so if you contribute $23,500 to your 401(k) in 2025, your SEP IRA contributions would be limited by the overall cap of $70,000.
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Tax Benefits and Setup
Tax benefits of SEP IRAs include tax-free growth and tax-free withdrawals, similar to a Roth IRA.
Contributions to a SEP IRA can be deducted as a business expense, lowering a company's income taxes.
The annual limit for SEP IRA contributions is $69,000 in 2024.
Self-employed individuals can also participate in a SEP IRA, enjoying tax benefits similar to corporate employees with an employee-sponsored 401(k) plan.
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Comparing Tax Benefits
Self-employed individuals can enjoy tax benefits by contributing to a 401(k) plan, which reduces their total taxable income. Contributions to a self-employed 401(k) plan are tax deductible.
You can grow your investments without paying taxes until you take disbursements, and you can also take tax-free withdrawals early on part of your account if you have a Roth IRA. This is a great perk for many self-employed people.
SEP IRA contributions can also grow tax-free, and participants only have to worry about taxes once they retire and start taking disbursements. This can be a big relief for small business owners and their employees.
Small businesses can lower their company’s income taxes by deducting SEP IRA contributions as a business expense. This can help companies stay competitive in the market.
SEP IRA contributions vary greatly based on the company’s profitability until it hits the ceiling of the annual limit, which is $69,000 in 2024. This can be a benefit for companies who are only required to pay a certain amount based on profitability.
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Setup Complexity

Setting up a retirement plan for your business can be a complex process, but understanding the requirements can make it more manageable. You'll need an employer identification number to set up a Self-Employed 401(k).
The administrative work involved in a Self-Employed 401(k) can be significant, especially when it comes to annual filing requirements. You'll need to complete Form 5500 if you have more than $250,000 in assets in your retirement account.
SEP IRAs, on the other hand, are relatively easy to set up and require less ongoing administrative work. However, you'll still need to report this activity on your tax return and ensure you're filing correctly.
To set up a SEP IRA, you'll need to find a brokerage that meets your needs and follow IRS requirements.
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Rolling Over and Converting
You can roll over a 401(k) into a SEP IRA, but the SEP IRA must first be set up to accept rollover contributions. A SEP IRA operates similarly to a traditional IRA once established.
The funds from your 401(k) would retain their tax-deferred status and you wouldn't trigger any taxes or penalties as long as the rollover is handled correctly as a direct transfer.
Can I Contribute to a 401(k) at the Same Time?
You can contribute to a 401(k) and a SEP IRA simultaneously if you have separate sources of earned income, such as working full-time for an employer offering a 401(k) and running a side business.
The total amount you contribute across all plans must stay within the IRS limits for the year, which is a combined cap of $70,000 in 2025. If your employer makes a $5,000 match to your 401(k), that $5,000 counts toward the $70,000 limit, reducing how much you could contribute to the SEP IRA.
If you own your own business and sponsor both a 401(k) and a SEP IRA for yourself, the rules become more complex, and specialized plan design may be needed. In most cases, contributing to both accounts is straightforward only when you are an employee at one job and self-employed separately.
As long as the SEP IRA plan and the 401(k) plan are offered by separate companies, you can participate in both plans even if you participate in an employer's retirement plan at a second job.
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Can You Roll a 401(k) into an IRA?
You can roll over a 401(k) into an IRA, but the IRA must first be set up to accept rollover contributions.
A SEP IRA can receive rollovers from other qualified retirement plans like a 401(k).
You can roll over a 401(k) into a SEP IRA, but the SEP IRA must first be set up to accept rollover contributions.
The funds would retain their tax-deferred status, and you would not trigger any taxes or penalties as long as the rollover is handled correctly as a direct transfer.
Once the rollover is complete, the money from the 401(k) is treated like any other SEP IRA asset.
Future SEP IRA contributions would remain employer-only, but the rolled-over funds could be invested alongside them.
Broaden your view: How to Set up a Self Directed Solo 401k
Frequently Asked Questions
Can you have a SEP IRA and 401k?
Yes, you can have both a SEP IRA and a 401(k), but you'll need separate sources of earned income, such as a full-time job and a side business, to qualify
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