SEP IRAs Explained: Eligibility, Contribution Limits, and Key Planning Benefits

If you are self-employed, a freelancer, or a small business owner, you may be sitting on one of the most underutilized retirement savings opportunities available and not even realize it. The Simplified Employee Pension Individual Retirement Account, better known as a SEP IRA, allows eligible individuals to contribute dramatically more each year than a traditional or Roth IRA. And with 2026 limits reaching an all-time high, now is an excellent time to understand how this account works, whether you qualify, and how to use it strategically.

At Legacy Financial Strategies, we work with a wide range of clients who have self-employment income from physicians with a side practice, to business owners, to consultants earning freelance income alongside a W-2 salary. For many of them, the SEP IRA is a cornerstone of their tax planning and retirement strategy. Here is what you need to know.

What Exactly Is a SEP IRA?

A SEP IRA is a tax-advantaged retirement account designed for self-employed individuals and small business owners. Unlike a 401(k), which comes with complex administration, annual IRS filing requirements (Form 5500), and nondiscrimination testing, a SEP IRA is remarkably easy to set up and maintain.

Contributions to a SEP IRA are made entirely by the employer, meaning you, the business owner, directly into each eligible employee’s account. If you have employees, they cannot make their own salary deferral contributions to a SEP IRA (unlike a 401(k)). However, as the employer, you make contributions to their accounts, all of which are immediately 100% vested. 

Who Qualifies for a SEP IRA?

The eligibility rules for a SEP IRA are very accommodating, which is part of what makes it so attractive. Virtually any individual or business entity with self-employment income can establish one, including:

• Sole proprietors
• Freelancers and independent contractors
• Partnerships
• S corporations and C corporations
• Limited liability companies (LLCs)

One often-overlooked fact: you can have a SEP IRA even if you also participate in a 401(k) at a day job. If you have any self-employment income, including consulting, rental income from a business, freelance work, or similar, you may be eligible to open and fund a SEP IRA in addition to your employer’s retirement plan.

Employee Eligibility Rules

If your business has employees, the IRS requires that any employee who meets all three of the following criteria be included in your SEP IRA plan:

• Reached age 21
• Been employed in your business during at least three of the past five years
• Earned at least $800 in compensation from you during the 2026 tax year (up from $750 in prior years)

You may set less restrictive rules, for example enrolling employees immediately upon hire, but you cannot be more restrictive than the IRS minimum standards. This is an important consideration for business owners: every eligible employee must receive the same percentage contribution as you make for yourself If you contribute 20% for to your account, you must contribute 20% for every eligible employee. This is why SEP IRAs tend to be most cost-effective for businesses with few or no employees.

2026 SEP IRA Contribution Limits

This is where the SEP IRA truly stands apart. For 2026, the IRS raised the maximum SEP IRA contribution limit to $72,000, an increase of $2,000 from the 2025 limit of $70,000. Contributions are capped at the lesser of:

• 25% of an employee’s total compensation, or
• $72,000 (the 2026 annual dollar cap)

There is also an important compensation cap: contributions are calculated based only on the first $360,000 of an employee’s compensation in 2026, up from $350,000 in 2025.

To put this in perspective: while a traditional or Roth IRA caps your annual contribution at $7,500 (or $8,600 if you are age 50 or older), a SEP IRA allows you to save nearly ten times that amount. This is especially meaningful for high earners in their peak earning years who are trying to maximize retirement savings while reducing current-year taxes.

A Note for the Self-Employed

If you are self-employed (a sole proprietor or single-member LLC), your calculation works a little differently. Because you pay both the employee and employer share of self-employment taxes, your effective contribution rate is approximately 20% of net self-employment income instead of the full 25%. The IRS provides a specific worksheet for this calculation, and it is always a good idea to have your financial planner or CPA run the numbers for your particular situation.

The Tax Advantages: Why a SEP IRA Is So Powerful

The SEP IRA delivers a dual tax benefit that makes it one of the most efficient tools in the retirement planning arsenal:

• Contributions are fully tax-deductible. Employer contributions to a SEP IRA reduce the business’s taxable income dollar-for-dollar. For a business owner in the 37% federal tax bracket, contributing the maximum $72,000 could reduce their federal tax bill by more than $26,000 in a single year.
• Growth is tax-deferred. Like a traditional IRA, all investment growth within a SEP IRA is sheltered from taxes until withdrawal. You pay no taxes on capital gains or income while the money remains in the account.

When you eventually withdraw funds in retirement, distributions are taxed as ordinary income, exactly like a traditional IRA or 401(k). If you withdraw before age 59½, you will generally owe income taxes plus a 10% early withdrawal penalty, with certain exceptions.

When Can You Open One and When Must Contributions Be Made?

One of the most appealing features of the SEP IRA is its flexibility around deadlines. You have until your tax filing deadline — including extensions — to both establish and fund a SEP IRA for the prior tax year. In practical terms, that means:

• A sole proprietor has until April 15, 2027 (or October 15, 2027 with an extension) to open a SEP IRA and make contributions for the 2026 tax year.
• A business filing as a corporation has until its corporate filing deadline plus extensions to make contributions.
• You can make a contribution even in the same year you start the plan.

This is a major planning advantage. Unlike a Solo 401(k), which generally must be established by December 31st of the plan year, a SEP IRA can be opened and funded retroactively. We have seen many clients who, upon completing their tax return in early spring, discover they had more self-employment income than expected and are able to open a SEP IRA on the spot to reduce their tax bill.

Withdrawals, RMDs, and What Happens at Retirement

SEP IRAs follow the same distribution rules as traditional IRAs. Here is what to keep in mind as you plan for the long term:

• Early withdrawals (before age 59½) are subject to ordinary income taxes plus a 10% federal penalty. Certain exceptions apply, such as disability, death, or substantially equal periodic payments under IRS Rule 72(t).
• Required Minimum Distributions (RMDs) begin at age 73-75 (depending on your birth year) under the SECURE Act 2.0 rules. You must take a minimum distribution each year based on your account balance and IRS life expectancy tables. Failure to take the required distribution results in a significant excise tax.
• Rollovers are permitted. A SEP IRA can be rolled over into a traditional IRA, another SEP IRA, or even a 401(k) plan if the receiving plan accepts such rollovers.

Importantly, there are no Roth SEP IRA conversion restrictions. You can convert SEP IRA funds to a Roth IRA, paying taxes on the converted amount in the year of conversion. This can be a powerful strategy in lower-income years or as part of a Roth conversion ladder during the early years of retirement.

SEP IRA vs. Solo 401(k): Which Is Right for You?

For self-employed individuals without employees, the Solo 401(k) sometimes called an Individual 401(k), is often the most direct competitor to the SEP IRA. Both allow for large contributions, but there are some important differences:

The bottom line: if you have employees, the SEP IRA is usually the simpler and more appropriate choice. If you are self-employed with no employees and want to maximize contributions at lower income levels, or if you want a Roth option or loan feature, the Solo 401(k) may edge out the SEP IRA. This is exactly the kind of planning decision we help our clients navigate at Legacy Financial Strategies.

Common Mistakes to Avoid

Even with a straightforward plan like a SEP IRA, there are pitfalls that can cost you. Here are some of the most common mistakes we see:

• Forgetting to include all eligible employees. If you have part-time workers who have been with you for three of the past five years and earned $800 or more in 2026, they must be covered.
• Contributing the wrong percentage. The IRS requires uniform contribution percentages. You cannot contribute 20% for yourself and 10% for an employee.
• Overcrowding the account with excess contributions. Excess contributions are subject to a 6% excise tax each year they remain in the account. It is critical to calculate limits carefully, especially for self-employed individuals.
• Overlooking the pro-rata rule if you use a backdoor Roth IRA. The IRS treats all of your pre-tax IRA balances, including SEP IRAs, as a single pool when determining how much of a Roth conversion is taxable. If you have a large SEP IRA balance and are attempting a backdoor Roth, you may owe far more in taxes than expected. 
• Waiting too long to open the account. While you have until your tax deadline, some financial institutions have their own deadlines. Do not wait until April 14th.

Is a SEP IRA Right for You?

The SEP IRA is not the right fit for everyone, but for self-employed individuals and small business owners who want a high contribution limit, minimal paperwork, and maximum tax flexibility, it is hard to beat. With the 2026 limit reaching $72,000, the opportunity to build meaningful retirement wealth while significantly reducing your current tax burden has never been greater.

At Legacy, we work with each client to determine which retirement account structures make the most sense for their income, business type, employee situation, and broader financial goals. Whether you are just starting to explore SEP IRAs or have had one for years and wonder if you are getting the most from it, we are here to help.