A climbing wall is built around one principle: progress depends on secure holds. Retirement planning works the same way. Each contribution limit, payroll process, and plan rule gives you another point of control: but only if your records are accurate.
As of 2026, the IRS has increased several retirement plan limits. For business owners, founders, and operators, these changes affect owner compensation, employee benefits, payroll setup, and year-end planning.
The central numbers are clear:
- 401(k), 403(b), and most governmental 457 plan elective deferrals: $24,500
- Standard catch-up contribution for eligible participants age 50 and older: $8,000
- SIMPLE plan elective deferrals: $17,000
- SIMPLE plan catch-up contribution for eligible participants age 50 and older: $4,000
- Traditional and Roth IRA contribution limit: $7,500
- IRA catch-up contribution for eligible individuals age 50 and older: $1,100
- Defined contribution plan annual additions limit: $72,000
These figures come from the IRS 2026 retirement plan announcement and IRS Notice 2025-67. Eligibility, compensation, income, plan documents, and age-based rules still matter.
1. The 2026 limits at a glance
The contribution limit depends on the type of plan and the source of the contribution. Employee salary deferrals are not the same as employer contributions, and an IRA has different rules from a workplace plan.
| Plan or contribution type | 2026 limit | Important detail |
|---|---|---|
| 401(k), 403(b), most governmental 457 plans | $24,500 | Employee elective deferrals |
| Standard catch-up, age 50+ | $8,000 | Total possible deferral may reach $32,500 |
| SIMPLE IRA or SIMPLE 401(k) | $17,000 | Employee salary-reduction contributions |
| SIMPLE catch-up, age 50+ | $4,000 | Total may reach $21,000 under standard rules |
| Traditional and Roth IRAs | $7,500 | Combined annual limit across traditional and Roth IRAs |
| IRA catch-up, age 50+ | $1,100 | Total may reach $8,600 |
| Defined contribution annual additions | $72,000 | Applies to the overall annual additions limit in plans such as 401(k)s and SEP arrangements |
The IRA catch-up amount is $1,100 as of 2026: not $1,000. The IRS included a cost-of-living adjustment for this amount in Notice 2025-67.
These limits are ceilings, not automatic targets. Your plan may impose additional restrictions, and income or compensation rules may affect what you can contribute or deduct.
2. 401(k) contributions: the main planning opportunity
The 2026 elective deferral limit for a 401(k) is $24,500. This generally applies to traditional and Roth employee contributions made through eligible 401(k) plans. The same basic elective deferral limit applies to 403(b) plans and most governmental 457 plans.
For an owner-employee under age 50, the calculation is straightforward.
Example:
- Owner age: 40
- Annual employee deferral: $24,500
- Approximate monthly deferral: $2,041.67
If payroll runs twice monthly, the business may divide the annual amount across 24 pay periods: approximately $1,020.83 per payroll. The exact withholding schedule depends on payroll timing, plan administration, and the employee’s election.
For an owner age 50 or older, the standard catch-up contribution provides additional capacity.
Example:
- Regular elective deferral: $24,500
- Catch-up contribution: $8,000
- Potential total employee contribution: $32,500
- Approximate monthly amount: $2,708.33
This is where payroll coordination becomes important. A missed payroll deduction cannot always be corrected simply by entering a larger deduction on the next paycheck. The plan administrator, payroll provider, and tax professional may need to determine the appropriate correction process.
Participants who attain ages 60, 61, 62, or 63 in 2026 may qualify for a higher catch-up contribution under SECURE 2.0. The exact application depends on the plan and participant circumstances, so it is important to review the IRS retirement plan guidance and confirm the feature with the plan provider.
Action plan:
- Review each owner and employee deferral election.
- Confirm that payroll uses the 2026 limit.
- Separate regular contributions from catch-up contributions in your records.
- Ask the plan provider how age-based catch-up rules are administered.
- Reconcile payroll deductions to the plan’s contribution reports each month.
3. SIMPLE plans: lower limits, simpler administration
A SIMPLE IRA or SIMPLE 401(k) can be attractive for smaller employers that want a retirement benefit with less administrative complexity than a traditional 401(k). As of 2026, the standard employee elective deferral limit is $17,000.
Eligible participants age 50 and older may generally contribute an additional $4,000.
Example:
- Regular SIMPLE deferral: $17,000
- Standard catch-up: $4,000
- Potential total contribution: $21,000
The IRS also identifies higher limits for certain applicable SIMPLE plans. Some plans may have an $18,100 elective deferral limit, and certain catch-up provisions differ. Those rules depend on the type of plan and the employer’s eligibility, so the plan document and provider’s instructions control the practical process.
A SIMPLE plan also affects company-wide payroll planning. Employer contribution obligations, employee eligibility, and notice requirements need to be handled consistently. A business may not want to focus only on the owner’s contribution while overlooking the employee side of the plan.
A useful monthly review includes:
- Total employee salary reductions
- Employer contributions or matching amounts
- New hires and employee eligibility
- Missed or late payroll deductions
- Contributions shown on the provider statement versus contributions recorded in the books
Clean records make year-end review faster. They also reduce the risk of discovering a contribution mismatch after payroll has closed.
4. IRAs and SEP plans: understand the difference
The 2026 contribution limit for traditional and Roth IRAs is $7,500. The limit applies across both types of IRA, meaning an individual generally cannot contribute $7,500 to a traditional IRA and another $7,500 to a Roth IRA for the same year.
Eligible individuals age 50 and older may contribute an additional $1,100, bringing the potential total to $8,600.
However, the ability to make a contribution is different from the ability to deduct it or make it directly to a Roth IRA. Traditional IRA deduction limits and Roth IRA contribution phase-outs may apply based on income, filing status, and whether the individual or spouse participates in a workplace retirement plan. The IRS 2026 announcement provides the applicable income ranges.
SEP plans require a separate analysis. A SEP-IRA is generally funded through employer contributions rather than employee salary deferrals. For 2026, the defined contribution annual additions limit is $72,000. SEP contributions are generally limited to the lesser of 25% of compensation or $72,000, subject to the applicable compensation rules.
For example, a business owner with $200,000 of eligible compensation may see a preliminary 25% calculation of $50,000. That does not automatically mean the contribution is correct. The calculation can differ for self-employed individuals, and the business structure matters.
Before funding a SEP arrangement, it is important to confirm:
- Whether the business is a sole proprietorship, partnership, corporation, or LLC taxed under a different structure
- How eligible compensation is calculated
- Which employees must receive contributions
- Whether contributions are uniform under the plan rules
- How the contribution will be recorded in the general ledger
A qualified CPA or tax professional can evaluate the tax treatment and eligibility. Bookkeeping support can help organize the compensation data and document the funding transaction.
5. The $72,000 annual additions limit matters
The defined contribution annual additions limit increases to $72,000 for 2026. This limit is relevant to plans such as 401(k), profit-sharing, money purchase, and SEP arrangements.
For a business owner, the practical point is simple: the employee deferral limit and the overall plan limit are separate measurements.
An owner under age 50 may defer $24,500 into a 401(k), but the plan may also receive employer contributions. The combination must be evaluated under the applicable annual additions rules. Compensation limits, plan design, nondiscrimination testing, and catch-up treatment may also affect the result.
Consider an owner-employee who contributes $24,500 through payroll and receives an employer contribution. The business cannot assume that the remaining space under the $72,000 limit is automatically available without checking the plan formula and compensation data.
This is a planning issue: not just a payroll issue.
The records supporting the calculation may include:
- W-2 wages or self-employment compensation
- Employee deferral reports
- Employer matching or profit-sharing calculations
- Plan provider statements
- Payroll registers
- General ledger entries
- Year-end contribution confirmations
When those records agree, your CPA and plan administrator have a reliable starting point. When they do not, corrections become more time-consuming.
6. What business owners should do now
The 2026 limits are useful only when they reach the right payroll and accounting systems. A short implementation review may prevent larger cleanup work later.
What business owners may want to consider:
- Compare your payroll system’s 2026 retirement settings with the plan provider’s limits.
- Review every owner and employee deferral election before the next payroll cycle.
- Identify participants who are age 50 or older and confirm catch-up handling.
- Ask the plan provider whether any age 60–63 SECURE 2.0 provisions apply.
- Confirm whether your SIMPLE plan falls under standard or special contribution limits.
- Review SEP contribution calculations with your CPA or tax professional before funding.
- Reconcile payroll deductions to provider statements monthly: not only at year-end.
- Create separate bookkeeping accounts for employee deferrals, employer contributions, and catch-up contributions where appropriate.
- Keep plan documents, payroll reports, and funding confirmations together.
- Use the IRS retirement plans resource center for current guidance.
LunaSi Accounting, LLC can support the bookkeeping and payroll organization behind this process. Monthly reconciliations, payroll support, contribution tracking, and clear financial reporting help you keep retirement activity tied to accurate books: so your records remain easier to review as your business grows. Visit the LunaSi services page or contact LunaSi to discuss your needs.
Getting Started
Start with one payroll-to-provider reconciliation for 2026, then document the process and repeat it monthly. By the end of the quarter, you can have cleaner contribution records, fewer surprises, and a clearer view of how your retirement plan fits into the company’s financial operations.
This content is for general informational purposes and is not legal, tax, or accounting advice. Consult a qualified professional for your specific situation.
31.08.2026