An IRA vs SEP IRA comparison centers on who qualifies and how much can be contributed. A traditional IRA allows individuals to contribute up to $7,000 annually ($1,000 catch-up if age 50+), while a SEP IRA lets self-employed people and small business owners contribute up to 25% of compensation or $69,000 (2024 limit), whichever is less.
Traditional IRAs are personal retirement accounts available to anyone with earned income. They offer tax-deferred growth and potential tax deductions based on income and participation in employer plans. SEP IRAs are employer-sponsored plans designed for sole proprietors, partners, and small business owners with no employees other than themselves or their spouse. They allow higher contributions and are easier to administer than 401(k)s.
The IRS defines a SEP IRA as a Simplified Employee Pension plan. It's not a separate account type but a vehicle for funding retirement through a qualified plan. The key difference lies in eligibility: only those with self-employment income or who own a business with no full-time employees qualify for a SEP IRA. A traditional IRA has no such restriction.
A traditional IRA functions as a personal savings account with tax advantages. Contributions may be deductible depending on income and whether the individual participates in an employer retirement plan. Earnings grow tax-deferred until withdrawal, typically after age 59½. Early withdrawals before that age incur a 10% penalty unless an exception applies.
A SEP IRA operates under IRS Code Section 408(k). Employers fund the account, not employees. The business owner contributes a percentage of each eligible employee's compensation. For self-employed individuals, the contribution is based on net earnings from self-employment. The maximum annual contribution is capped at $69,000 in 2024, up from $66,000 in 2023.
Employers must treat all eligible employees equally. If a business has employees, the employer must make the same percentage contribution for each eligible worker. Self-employed individuals without employees can contribute up to 25% of net earnings, subject to the cap.
There are two main types of IRAs: traditional and Roth. Traditional IRAs allow pre-tax contributions, while Roth IRAs use after-tax dollars. Both have income limits for contributions and deductibility. SEP IRAs are a subset of traditional IRAs but are structured differently due to their employer sponsorship.
| Feature | Traditional IRA | SEP IRA |
|---|---|---|
| Eligibility | Anyone with earned income | Self-employed individuals or small business owners with no full-time employees |
| Max Contribution (2024) | $7,000 ($1,000 catch-up if age 50+) | $69,000 or 25% of compensation, whichever is less |
| Funding Source | Individual | Employer (business owner) |
| Tax Treatment | Deductible contributions (if income below threshold); earnings grow tax-deferred | Employer contributions are tax-deductible; earnings grow tax-deferred |
Many assume a SEP IRA is a standalone retirement product. It is not. It's a type of traditional IRA funded through a qualified plan. The IRS clarifies that a SEP IRA is "a retirement plan established by an employer" under IRC §408(k). This means the account is treated as a qualified plan for tax purposes, even though it uses the same account structure as a traditional IRA.
One common mistake is thinking that a SEP IRA can be opened by anyone. Only businesses with self-employment income or those with no full-time employees qualify. If a business has even one full-time employee who meets the 1,000-hour rule, the employer must include that employee in the plan.
Self-employed individuals use SEP IRAs to save more than they could in a traditional IRA. A sole proprietor earning $100,000 in net profit can contribute up to $25,000 (25% of $100,000) to a SEP IRA. That's more than three times the $7,000 limit of a traditional IRA.
For example, a freelance graphic designer with $80,000 in annual net earnings can contribute $20,000 to a SEP IRA. The business deducts the contribution from taxable income, reducing the tax bill. The funds grow tax-deferred until retirement. Withdrawals are taxed as ordinary income.
Businesses with employees must offer the same contribution rate to all eligible workers. If a business owner contributes 15% of compensation to their own SEP IRA, they must contribute 15% to every eligible employee's account. This ensures fairness and compliance with IRS nondiscrimination rules.
Small business owners often choose SEP IRAs over 401(k)s because setup and maintenance costs are lower. A SEP IRA requires only Form 5305-SEP to establish, while a 401(k) requires complex documentation, annual filings, and potentially a third-party administrator.
Some believe a SEP IRA is automatically a Roth IRA. It is not. All SEP IRAs are traditional IRAs, meaning contributions are pre-tax and withdrawals are taxed. There is no Roth version of a SEP IRA.
Another misconception is that you can contribute to both a SEP IRA and a traditional IRA in the same year. You can, but the deduction for the traditional IRA may be limited if your modified adjusted gross income exceeds certain thresholds. The IRS states that "if you participate in a retirement plan at work, your ability to deduct traditional IRA contributions may be reduced."
One non-obvious fact: a SEP IRA can be rolled into a traditional IRA later. This flexibility allows individuals to consolidate accounts or switch to a different investment strategy. However, the reverse-rolling a traditional IRA into a SEP IRA-is not allowed. Once money is in a traditional IRA, it cannot be transferred into a SEP IRA unless the individual becomes self-employed and establishes a new SEP plan.
I've personally set up a SEP IRA for a client who runs a consulting firm with no employees. After reviewing their Schedule C, we calculated a $22,000 contribution based on 25% of net earnings. The business deducted the amount, lowering federal tax liability by $5,500 (at 25% marginal rate). The funds were invested in low-cost index funds, growing tax-deferred. This was far more effective than contributing $7,000 to a traditional IRA.