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Educational and Tax Disclosure: This article is provided for general educational purposes only. It does not constitute retirement, investment, tax, legal, accounting, employment, or financial advice. State Employee Advisor Network is a marketing and referral platform operated by Revenx LLC. SEAN does not establish SEP or SIMPLE IRA plans, calculate deductible contributions, recommend retirement-plan structures, prepare tax filings, or provide individualized retirement strategies. Employers and self-employed individuals should verify eligibility, contribution calculations, deadlines, and tax treatment through the IRS, plan provider, tax professional, or another qualified source.
SEP IRA and SIMPLE IRA plans are two retirement-plan structures that may be available to small businesses and self-employed individuals.
They have several similarities:
The contribution structure, employee participation, employer obligations, eligibility rules, and annual limits are different.
The better fit depends on the business, workforce, compensation, desired contribution level, and administrative preferences.
Neither plan guarantees retirement security or investment growth.
SEP stands for Simplified Employee Pension.
A SEP allows an employer to make retirement contributions to IRAs established for eligible employees.
The employer may be:
A business can establish a SEP whether it has one employee or many employees.
The IRS describes a SEP as a simplified method for employers to make retirement contributions for employees and themselves.
In an ordinary SEP, contributions are made by the employer rather than through employee salary deferrals.
A SEP can generally be established by an employer of almost any size.
This includes a self-employed individual with no other employees.
An individual employee cannot independently establish an employer SEP without having qualifying business or self-employment activity.
A freelancer or consultant may potentially establish a SEP when the activity generates qualifying self-employment income.
Investment income by itself generally does not create SEP contribution capacity.
Using the IRS model SEP document, an employer generally must cover an employee who:
An employer may use less restrictive requirements.
Certain employees may be excluded under applicable rules, including some collectively bargained employees and certain nonresident aliens.
These requirements are eligibility rules, not contribution limits.
The live article incorrectly places age 21 and three years of service under the contribution-limit section.
For 2026, employer contributions to a SEP IRA generally cannot exceed the lesser of:
For self-employed owners, the calculation is more complicated.
A sole proprietor does not simply multiply gross business income by 25%.
The calculation generally uses adjusted net earnings after accounting for items including:
The effective contribution percentage for an unincorporated self-employed owner may therefore differ from the stated 25% employee-compensation limit.
IRS Publication 560 contains worksheets for the calculation.
A regular SEP generally does not allow:
This is an important distinction from a SIMPLE IRA.
The employer decides whether to contribute for a particular year.
That can provide flexibility when business cash flow changes.
However, when the employer contributes, the contribution percentage generally must be uniform for all eligible employees.
For example, if an employer contributes 10% of compensation for the owner, the employer generally must contribute the same percentage for each covered eligible employee.
Employees are generally 100% vested in employer contributions as soon as they are deposited into the SEP IRA.
There is no multi-year vesting schedule.
This means an employee who later leaves the business generally keeps the SEP IRA balance.
Immediate vesting is a real feature of the plan, but it should not be described as a guarantee of retirement income.
Account value still depends on:
SIMPLE stands for Savings Incentive Match Plan for Employees.
A SIMPLE IRA allows eligible employees to make salary-reduction contributions to their own SIMPLE IRA accounts.
The employer must also make a contribution.
A SIMPLE IRA therefore generally receives both:
This is one of the clearest differences from an ordinary SEP.
A SIMPLE IRA is generally intended for smaller employers.
An eligible employer generally must:
Self-employed individuals can establish a SIMPLE IRA when otherwise eligible.
The live article says government entities can establish SIMPLE IRAs.
That is too broad and should not be treated as a standard eligibility category.
State and local government employers generally use other public-sector retirement arrangements rather than SIMPLE IRA plans.
An employer generally must include an employee who:
An employer may choose less restrictive eligibility requirements.
Certain employees may be excluded under specific federal rules.
The plan should apply its eligibility criteria consistently.
For 2026, the general SIMPLE IRA employee salary-reduction limit is:
$17,000
This is the regular federal limit for a standard SIMPLE IRA.
The employee chooses how much eligible compensation to defer, subject to:
Employee salary-reduction contributions are generally immediately vested.
Participants age 50 or older may generally make an additional:
$4,000 catch-up contribution
For employees who turn age:
during 2026, the higher SIMPLE catch-up is:
$5,250
The $5,250 replaces the standard $4,000 catch-up for that age group. It is not added on top of it.
SECURE 2.0 also created special higher SIMPLE contribution rules for certain employers.
For 2026, some employers with 25 or fewer employees may use a higher employee contribution limit of:
$18,100
Certain employers with 26 to 100 employees may also elect into the higher limit if they provide increased employer contributions under the applicable rules.
This means a business should not assume that $17,000 is the only possible SIMPLE limit in every 2026 situation.
The plan administrator or tax professional should confirm which limit applies.
The employer generally must choose one of two contribution methods.
The employer generally matches employee salary-reduction contributions dollar for dollar up to 3% of compensation.
An employer may reduce the match below 3% in limited years, but generally not below 1%, subject to notice and frequency rules.
Instead of matching employee deferrals, the employer may contribute 2% of compensation for each eligible employee, including employees who do not contribute from salary.
These contributions are generally immediately vested.
FeatureSEP IRASIMPLE IRAEmployer sizeGenerally any sizeGenerally 100 or fewer qualifying employeesEmployee salary deferralsNoYes2026 regular employee deferralNone$17,000 generallyAge-50 catch-upNone$4,000Age 60–63 catch-upNone$5,2502026 employer contribution ceilingLesser of 25% of compensation or $72,000Match or nonelective contribution under SIMPLE rulesEmployer contribution required every yearNoGenerally yesContribution flexibilityHighMore structuredVestingImmediateImmediateParticipant loansNoNoAnnual Form 5500Generally not requiredGenerally not requiredEmployees can participate directlyNo ordinary salary deferralYesRoth treatmentMay be availableMay be available
The actual result depends on the plan document and provider.
The live article says neither SEP nor SIMPLE IRA can use Roth treatment.
That is outdated.
Current federal law permits:
when the employer plan and financial institution support the feature.
Roth contributions are generally included in current taxable income.
Qualified Roth distributions may receive tax-free treatment when applicable requirements are met.
Availability is not automatic.
Employers should confirm whether their provider has implemented the necessary:
Traditional SEP employer contributions generally receive tax-deferred treatment inside the participant's SEP IRA.
A qualifying employer contribution may generally be deductible by the employer under applicable tax rules.
Traditional SEP distributions are generally taxable when withdrawn.
The live article describes SEP contributions as “tax-free.”
That wording is misleading.
Tax-deferred means tax may be postponed, not eliminated.
Roth SEP treatment follows different rules.
Traditional SIMPLE employee salary reductions generally reduce federal taxable wages for income-tax purposes.
However, they generally remain subject to:
Employer matching or nonelective contributions receive separate tax treatment.
Traditional SIMPLE IRA distributions are generally taxable when received.
A Roth SIMPLE contribution is generally taxable when contributed, while qualified future Roth distributions may be tax-free.
A traditional SEP IRA generally follows traditional IRA distribution rules.
A taxable distribution before age 59½ may be subject to the federal 10% additional tax unless an exception applies.
Regular income tax may also apply.
The 10% additional tax should not be described as automatic in every case because federal exceptions exist.
SIMPLE IRA distributions have an additional rule during the first two years of participation.
A taxable early distribution during that two-year period may face a 25% additional tax instead of the usual 10%, unless an exception applies.
After the two-year period, the ordinary IRA additional-tax rules generally apply.
This is a major difference omitted from the live article.
The two-year period also affects rollover options.
During the first two years after an employee begins participating in a SIMPLE IRA, transfers generally are restricted.
A tax-free transfer during that period generally must be made to another SIMPLE IRA.
After the two-year period, broader rollover options may become available, subject to federal rules.
A business owner or employee should confirm the participation start date before moving assets.
SEP IRA assets generally follow the rollover rules applicable to traditional or Roth IRAs, depending on account type.
Traditional SEP funds may potentially be moved through an eligible rollover to another qualifying retirement arrangement.
A rollover should be reviewed for:
A rollover is not automatically beneficial.
Traditional SEP and SIMPLE IRA accounts are generally subject to required minimum distribution rules.
The applicable starting age depends on date of birth and current federal law.
The live article states that failing to withdraw after age 73 automatically creates a 25% excise tax.
That is incomplete.
Current RMD starting ages depend on the participant's birth year, and excise-tax rules can include reductions when missed distributions are corrected.
Roth SEP and Roth SIMPLE accounts may have different treatment under current law.
Employees and owners approaching RMD age should use current IRS guidance rather than a fixed age copied from an older article.
A SEP may be relevant when:
A self-employed owner with high eligible income may be able to contribute substantially more to a SEP than the regular employee deferral available under a SIMPLE IRA.
However, contributions for eligible employees can become expensive because the same contribution percentage generally must apply to them.
A SIMPLE IRA may be relevant when:
Employees can contribute even when the employer would prefer not to make a large discretionary contribution.
However, the employer generally has a mandatory annual matching or nonelective contribution obligation.
Both plans may be available to a qualifying sole proprietor.
The key difference is how contributions are made.
The owner contributes as the employer.
There is no ordinary employee salary deferral.
The owner may generally make employee salary-reduction contributions and also receives the applicable employer contribution.
A sole proprietor generally does not pay themselves W-2 wages.
The live article says a sole proprietor “pays themselves wages,” which is not generally how sole-proprietor compensation is treated for federal tax purposes.
The contribution calculation instead generally uses net earnings from self-employment under the applicable rules.
A plan should be selected based on the actual business structure rather than a general claim that one is “better.”
A SEP or SIMPLE IRA is not the only retirement-plan structure available to a small business.
Alternatives may include:
The live article also links to an existing comprehensive financial planning guide through its current “401k or 403b” anchor.
It also links to a 457(b) vs. 401(k) comparison, which has been preserved.
State Employee Advisor Network is a marketing and referral platform operated by Revenx LLC. We connect consumers with independent, licensed financial professionals.
SEAN does not establish SEP or SIMPLE IRA plans and does not provide retirement planning, investment advice, pension advice, tax advice, legal advice, accounting services, or plan administration.
Professionals participating in the network are independent third parties. They are not employees or representatives of SEAN. All services, analysis, guidance, and recommendations come solely from the professional.
The introduction is free to consumers. Revenx LLC receives compensation from participating professionals for marketing and referral services. This creates a financial incentive to refer consumers to participating professionals.
Consumers should independently evaluate each professional's licensing, registrations, small-business retirement-plan experience, services, fees, compensation, conflicts of interest, and disciplinary history.
Readers can review the pension planning consultants and retirement planning referral pages.
Schedule a free introduction to an independent professional.
SEP IRA and SIMPLE IRA plans are both employer-established IRA-based retirement arrangements, but their contribution structures are very different.
For 2026:
A SEP may provide greater employer contribution flexibility.
A SIMPLE IRA may provide employees with more direct salary-deferral opportunities.
The appropriate plan depends on workforce size, business income, desired employee participation, contribution budget, provider features, and administrative needs.
Employer contributions generally cannot exceed the lesser of 25% of eligible compensation or $72,000.
The general employee salary-reduction limit is $17,000, although special higher limits may apply to certain qualifying small employers.
Not through ordinary SEP salary deferrals. SEP contributions generally come from the employer.
Yes. Eligible employees may make salary-reduction contributions subject to annual limits.
Current federal law permits Roth SEP and Roth SIMPLE arrangements when the plan and financial institution support them.
Yes. Employees generally own contributions once deposited into their accounts.
During the first two years of participation, special rollover restrictions apply and certain taxable early distributions may face a 25% additional federal tax instead of 10%.
Neither is universally better. SEP may suit businesses seeking flexible employer contributions, while SIMPLE IRA may suit employers wanting employee salary deferrals plus required employer contributions.
Jeremy contributes regularly to State Employee Advisor Network. With a deep understanding of state pension systems and public-sector benefits, he offers readers insights and strategies to optimize their retirement outcomes.
State Employee Advisor Network is a marketing and referral platform operated by Revenx LLC. We connect consumers with independent, licensed financial professionals. We are not a registered investment adviser, broker-dealer, or insurance agency, and we do not provide investment, legal, or tax advice.
All financial services are provided solely by third-party professionals. Revenx LLC receives compensation from financial professionals for marketing and referral services, which may create a financial incentive to refer individuals to participating professionals. Users should independently evaluate any financial professional before engaging their services.
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