Before funding an owner’s SEP IRA, price the eligible-employee contribution too
By IRACircle · Updated 2026-10-21 · 3 min read
The owner-only headline omits an important cost
A SEP is an employer retirement arrangement, not simply a large personal IRA allowance. An employer must apply the arrangement’s eligibility and allocation rules. A business that previously had no eligible employees can face a different contribution budget after hiring. Evaluate the workforce and plan document before selecting an amount for the owner.
A hypothetical percentage allocation
Assume a SEP uses a permitted uniform allocation of 10% of eligible compensation for an owner treated as an employee earning $100,000 and two eligible employees earning $50,000 and $30,000. The illustrated contributions would be $10,000, $5,000 and $3,000, for a total of $18,000. Looking only at the owner’s desired $10,000 would understate the employer’s cash requirement by $8,000. This is a simplified employee-compensation illustration, not a self-employed deduction worksheet.
Uniform percentage does not mean equal dollars
In that example every eligible worker receives the same 10% rate, while the amounts differ with compensation. A statement that the employer must contribute equally can be misleading if interpreted as the same dollars for every worker. Verify the actual SEP allocation formula, eligible compensation, ownership relationships and applicable limits. A discretionary decision about whether to fund a year does not authorize choosing only favored eligible employees.
Self-employed owners require their own calculation
A sole proprietor or partner does not generally determine the allowable owner contribution by multiplying unadjusted business profit by the employee percentage. The self-employed calculation involves adjusted net earnings and the applicable deduction mechanics. Business structure and compensation matter. Ask the preparer to reconcile the calculation with the return rather than reusing the $100,000 W-2-style assumption from the illustration.
Check the workforce as of the relevant plan year
Prepare a roster of workers, service histories, compensation, ownership and any eligibility exclusions. Compare it with the plan document and IRS rules. A provider opening the owner’s account does not establish that every required employee was included. If someone was omitted, obtain guidance on correction rather than assuming a later contribution to the owner alone resolves the arrangement.
Use a budget that separates business and personal saving
List total employer funding, administrative charges, deduction timing and remaining business cash reserves. Then separately consider the owner’s regular personal IRA contributions and eligibility. SEP employer funding and a regular IRA contribution are different transactions with different limits. This separation makes it easier to compare a SEP with another employer arrangement without exaggerating either the tax benefit or the cash available to the business.
Sources and scope
Content revised October 21, 2026. Prepared with AI assistance; no independent professional review is claimed. Examples are hypothetical. General U.S. federal education; verify the source edition and seek qualified advice for your circumstances. Editorial policy and corrections.