SEP IRA Matching Rules: Uniform Percentage, Limits, and Exceptions

SEP IRA matching rules don’t exist, because a SEP IRA has no employee contributions to match. Only the employer funds the account, and whatever percentage the employer picks for the year must be applied at the same rate to every eligible employee. For 2026, that contribution is capped at the lesser of 25% of compensation or $72,000 per person.¹

Why a SEP IRA Can’t Have a Match

A match requires something to match against. In a 401(k) or SIMPLE IRA, the employee defers part of their salary first, and the employer’s contribution rides on top of that deferral. SEP IRAs skip that step entirely. Employees make no salary deferrals and no elective contributions of any kind.²

Every dollar in a SEP is what the IRS calls a “nonelective” employer contribution. The employer decides whether to contribute at all, picks a percentage, and funds each eligible employee’s account at that rate. An employee cannot opt in, opt out, or bump up their share by putting in more of their own money.³

The employer does keep one useful lever: the percentage can change every year, including all the way down to zero. A good year might mean 20%; a lean year, nothing at all. What the employer cannot do is contribute more for some workers than others.

The Uniform-Percentage Rule

If the employer contributes for the year, every eligible employee receives a contribution at the same percentage of compensation. Ten percent for the owner means ten percent for the newest eligible clerk. This is the rule that most often gets mistaken for a “matching” question, because employers coming from a 401(k) mindset expect to tie contributions to individual behavior. In a SEP, contributions are tied only to compensation and eligibility.

The IRS sets three minimum eligibility conditions. An employee must have:

reached age 21,
worked for the employer in at least three of the last five years, and
earned at least $800 during 2026 (the threshold is adjusted periodically).¹

An employer can loosen these rules (covering employees at age 18, for example, or after one year of service) but cannot tighten them beyond the federal minimums. Nonresident aliens with no U.S.-source earned income and employees covered by a good-faith collective bargaining agreement on retirement benefits can be excluded.⁴

An eligible employee’s contribution is calculated on their full annual compensation, not just the pay earned after they crossed the $800 threshold or the date they became eligible. That trips employers up more often than the eligibility test itself.

Every dollar an employer deposits is immediately and fully owned by the employee. There is no vesting schedule and no way to condition contributions on continued employment.⁵

Contribution Limits and Compensation Cap for 2026

The per-employee ceiling is the lesser of 25% of compensation or $72,000 for 2026. Only the first $360,000 of an employee’s pay counts toward the calculation.¹ At a 25% rate, $360,000 of eligible pay produces the $72,000 dollar cap exactly.

Employer contributions are tax-deductible as a business expense, up to 25% of the total compensation paid to all eligible employees during the year. The contribution is not included in employee wages, so employees get the tax benefit automatically.

Self-Employed Owners: The Reduced Rate

If you fund a SEP for yourself as a sole proprietor or single-member LLC owner, you cannot apply 25% to your gross profit. Your contribution is calculated on net self-employment earnings after subtracting both the deductible half of self-employment tax and the SEP contribution itself.⁶ Because the contribution reduces its own base, a 25% nominal rate works out to roughly 20% of Schedule C net profit before the adjustment. On $100,000 of net profit, the maximum contribution is about $18,587. IRS Publication 560 includes the rate table and worksheet.⁷

If you have employees too, everyone is on the same declared plan percentage, but the effective rate looks different: a flat 25% of W-2 wages for employees and the reduced self-employed calculation for you. That’s the design, not a mistake.

The One Exception: Permitted Disparity

A narrow exception to the uniform-rate rule exists for employers who skip the standard IRS Form 5305-SEP and adopt a custom plan document instead. That custom document can incorporate “permitted disparity,” which allows a slightly higher contribution rate on compensation above the Social Security wage base and a lower rate below it, reflecting Social Security taxes the employer already pays on wages up to the base.⁸ Employers using Form 5305-SEP cannot use this formula.³

Permitted disparity still isn’t a match. It’s an integrated allocation formula that steers a larger share toward higher-paid workers, most often the owner. Employees have no way to affect what lands in their account by contributing anything themselves.

If You Want a Plan That Matches, Look Elsewhere

Employers searching for SEP matching rules are usually trying to answer a different question: which small-business retirement plan lets me tie contributions to employee participation? The SEP does not. Two other plans do.

A SIMPLE IRA lets employees defer up to $17,000 of salary in 2026 (with catch-up amounts for those 50 and older). The employer either matches employee deferrals dollar-for-dollar up to 3% of compensation, or makes a flat 2% nonelective contribution for every eligible employee whether they defer or not. Overall contributions are lower than a SEP allows, but the plan supports a true match.
A Solo 401(k) combines employee deferrals of up to $24,500 in 2026 with employer profit-sharing contributions of up to 25% of compensation, capped at a combined $72,000. It’s available only to business owners with no employees other than a spouse. Form 5500 filings become required once plan assets exceed $250,000.

Compared with those, the SEP’s appeal is the ceiling and the simplicity: up to $72,000 per employee, no annual IRS filing, and setup as late as the employer’s tax return due date including extensions.² The tradeoff is exactly the thing the word “matching” implies: employees have no way to put their own money in, and the employer has no way to reward those who would.

The Bottom Line on SEP Contributions

Read the SEP rulebook as three sentences. The employer alone contributes. Whatever percentage the employer chooses applies uniformly to every eligible employee that year. The 2026 ceiling is 25% of compensation or $72,000, whichever is less.¹ If any part of your plan design depends on matching what employees put in, a SEP is the wrong vehicle, and a SIMPLE IRA or 401(k) is what you actually want.

1
Internal Revenue Service. 2026 Amounts Relating to Retirement Plans and IRAs
2
Internal Revenue Service. Retirement Plans FAQs Regarding SEPs
3
Internal Revenue Service. Simplified Employee Pension Plan (SEP)
4
U.S. Department of Labor. SEP Retirement Plans for Small Businesses
5
Office of the Law Revision Counsel. 26 U.S.C. 408 – Individual Retirement Accounts
6
Internal Revenue Service. Self-Employed Individuals – Calculating Your Own Retirement Plan Contribution and Deduction
7
Internal Revenue Service. Publication 560 – Retirement Plans for Small Business
8
Internal Revenue Service. SEP Plan Language for a Simplified Employee Pension