Profit-Sharing Contributions to 401(k) Plans: 2026 Limits and Rules

Profit-sharing contributions to 401(k) plans are discretionary payments an employer makes into employees’ retirement accounts, separate from anything the employee chooses to defer from their paycheck. The employer decides each year whether to contribute and how much, within federal limits. For 2026, total annual additions to any one participant’s account cannot exceed $72,000, and the employer’s overall deduction for these contributions is capped at 25% of eligible payroll.¹²

Because the amount is at the employer’s discretion, a company can raise the contribution in a strong year, cut it in a weak one, or skip it entirely. C-corporations, S-corporations, partnerships, and LLCs can all set up a profit-sharing arrangement inside a 401(k).

2026 Contribution and Compensation Limits

Several IRS caps interlock. Knowing which one applies to what prevents costly mistakes.

The $72,000 Annual Additions Cap

The combined total of employee deferrals, employer matches, and profit-sharing contributions to a single participant’s account cannot exceed the lesser of 100% of that person’s compensation or $72,000 for 2026.¹ The ceiling sits in IRC Section 415(c) and adjusts annually for inflation.³

Catch-up contributions for workers 50 and older sit on top of that limit. The standard catch-up is $8,000 for 2026. Under SECURE 2.0, participants who turn 60, 61, 62, or 63 during the year get an enhanced catch-up of $11,250.⁴ Catch-ups are employee money and don’t eat into the room available for profit-sharing.

The $360,000 Compensation Cap

When the employer calculates each person’s allocation, only the first $360,000 of that employee’s annual pay counts for 2026.¹ Earnings above that figure are ignored. The rule comes from IRC Section 401(a)(17) and prevents very high earners from receiving outsized allocations under a flat-percentage formula.⁵

The 25% Employer Deduction Limit

At the company level, the total tax deduction for contributions to a defined contribution plan generally cannot exceed 25% of total eligible payroll for all participants.² An employer can put in more than 25%, but the excess isn’t deductible for that year and carries forward.

Employee Deferrals Reduce the Room

The 2026 elective deferral limit under IRC Section 402(g) is $24,500.⁴ Every dollar an employee defers counts against the $72,000 annual additions ceiling, so a highly compensated participant who maxes out deferrals has less room left for profit-sharing before hitting the cap. For most employees at moderate wages, this never becomes an issue.

How the Contribution Is Divided Among Employees

The plan document specifies the formula. Three approaches are common, and the choice shapes who benefits.

Pro-Rata

Every eligible employee gets the same percentage of compensation. If the company contributes 5% of payroll, a worker earning $60,000 receives $3,000 and a worker earning $120,000 receives $6,000. Simple to explain, easy to administer, and it generally passes nondiscrimination testing without difficulty. Most smaller plans use it.

Permitted Disparity

Also called Social Security integration. The employer contributes a higher percentage on pay above the Social Security wage base ($184,500 for 2026) than on pay below it.⁶ The logic is that Social Security replaces a smaller share of income for higher earners. The IRS caps how large the gap between the two percentages can be.

Age-Weighted and Cross-Tested

These formulas consider each employee’s age or job classification, not just salary. A dollar contributed for a 55-year-old has fewer years to grow than a dollar for a 30-year-old, so the older worker gets a larger current contribution. Employers with older owners and younger staff often choose this design to channel more money toward ownership. It costs more: annual actuarial work and the general nondiscrimination test under IRC Section 401(a)(4), which compares projected benefits for highly compensated employees against everyone else.

Who’s Eligible

The plan document sets the eligibility rules, but federal minimums apply. At a minimum, a plan must let employees participate once they turn 21 and complete one year of service (generally 1,000 hours in a 12-month period).⁷

Many plans add a “last day” requirement: you have to be on the payroll on the final day of the plan year to receive an allocation. It’s legal and common. Someone who leaves in November after working the full year could miss that year’s contribution entirely, which is worth knowing before you resign.

SECURE 2.0 expanded access for long-term part-time workers starting in 2025. Employees who are at least 21 and have completed at least 500 hours of service in two consecutive years must be allowed to make elective deferrals. Employers are not required to extend profit-sharing or matching contributions to these part-time participants, though they may.

For 2026, an employee counts as a highly compensated employee (HCE) if they earned more than $160,000 from the employer in the prior year or own more than 5% of the business.¹ HCE status matters for nondiscrimination testing, not for basic eligibility.

When You Actually Own the Money

Your own deferrals are always 100% yours. Employer profit-sharing contributions can be subject to vesting, which determines how much you keep if you leave before retirement.

Federal law under IRC Section 411 sets the slowest schedules an employer may use for defined contribution plans:⁸

Three-year cliff: zero ownership until you complete three years of service, then 100% at once.
Six-year graded: ownership rises by 20% per year starting after year two, reaching 100% after six years.

Many employers vest faster than the minimums, and immediate vesting is increasingly common as a recruiting tool. Safe harbor 401(k) plans that satisfy nondiscrimination through a 3% nonelective contribution must vest that specific contribution immediately, though additional discretionary profit-sharing in the same plan can follow a standard cliff or graded schedule.⁹

Unvested amounts left behind when someone quits become forfeitures. The plan document controls what happens to them: they can be reallocated to remaining participants, used to offset future employer contributions, or applied to plan expenses.

When You Can Take the Money Out

Profit-sharing dollars generally stay in your account until a triggering event: leaving the company, reaching the plan’s stated distribution age, disability, or retirement. Unlike employee elective deferrals, profit-sharing money can be distributed while you’re still employed if the plan allows it and you meet the plan’s conditions.¹⁰

Withdrawals before age 59½ generally trigger a 10% early distribution penalty on top of regular income tax. Key exceptions: distributions after separation from service at age 55 or later, distributions due to disability, and certain emergency distributions added by SECURE 2.0 (up to $1,000 per year for unforeseeable personal expenses).¹⁰

Some plans permit hardship withdrawals from profit-sharing accounts for immediate and heavy financial need, such as medical expenses, preventing eviction, funeral costs, and certain disaster-related losses. Hardship distributions cannot be rolled over into another retirement account and permanently reduce your balance.¹¹ Plans aren’t required to offer hardship withdrawals at all; check your plan document.

The Employer Deadline for Funding

One of the practical advantages of profit-sharing over other retirement contributions is timing. The employer doesn’t have to decide the amount or move the cash by December 31. The contribution is deductible for a given tax year as long as the deposit reaches the plan’s trust account by the employer’s tax filing deadline, including extensions.¹² For a calendar-year business that files an extension, that pushes the funding deadline out to October 15 of the following year while still claiming the deduction on the prior year’s return.

The contribution must still be allocated to participant accounts as if made in the prior year, even though the cash moves later.

Compliance the Plan Sponsor Cannot Skip

Two ongoing obligations matter most.

Nondiscrimination testing. The IRS requires 401(k) plans to prove they don’t disproportionately benefit HCEs. Pro-rata profit-sharing generally passes without difficulty. Age-weighted and cross-tested formulas face heavier scrutiny under IRC Section 401(a)(4). Failing costs money: a 10% excise tax on excess contributions if uncorrected within 2½ months after the plan year ends, and potential loss of the plan’s tax-qualified status if the failure persists beyond 12 months.¹³ Correction typically means refunding excess contributions to HCEs (taxable, no rollover) or making additional contributions for non-HCEs.

Form 5500. Every 401(k) plan with profit-sharing must file this annual report with the Department of Labor and the IRS, showing contributions, distributions, and expenses.¹⁴ It’s due by the last day of the seventh month after the plan year ends (July 31 for calendar-year plans), with a possible extension. Late-filing penalties reach $250 per day up to $150,000 from the IRS and up to $2,529 per day with no cap from the Department of Labor.¹⁵

Operational errors, such as missed eligible employees or incorrect allocations, can be fixed through the IRS Employee Plans Compliance Resolution System (EPCRS). Self-correction of insignificant errors is free; voluntary correction requires a user fee; correction during an audit costs a negotiated sanction that is always more than the earlier options.¹⁶ Reviewing allocations annually is cheaper than waiting for an audit notice.

1
Internal Revenue Service. Notice 2025-67 – 2026 Amounts Relating to Retirement Plans and IRAs
2
Internal Revenue Service. Retirement Topics – 401(k) and Profit-Sharing Plan Contribution Limits
3
Internal Revenue Service. Issue Snapshot – Treatment of 415(c) Dollar Limitations in a Short Limitation Year
4
Internal Revenue Service. 401(k) Limit Increases to $24,500 for 2026, IRA Limit Increases to $7,500
5
eCFR. 26 CFR 1.401(a)(17)-1 – Limitation on Annual Compensation
6
Social Security Administration. Contribution and Benefit Base
7
Internal Revenue Service. 401(k) Plan Qualification Requirements
8
Office of the Law Revision Counsel. 26 U.S. Code 411 – Minimum Vesting Standards
9
Internal Revenue Service. Issue Snapshot – Vesting Schedules for Matching Contributions
10
Internal Revenue Service. When Can a Retirement Plan Distribute Benefits?
11
Internal Revenue Service. Retirement Plans FAQs Regarding Hardship Distributions
12
Internal Revenue Service. Issue Snapshot – Deductibility of Employer Contributions to a 401(k) Plan Made After the End of the Tax Year
13
Internal Revenue Service. 401(k) Plan Fix-it Guide – The Plan Failed the 401(k) ADP and ACP Nondiscrimination Tests
14
U.S. Department of Labor. Form 5500 Series
15
Internal Revenue Service. 401(k) Plan Fix-it Guide – You Haven’t Filed a Form 5500 This Year
16
Internal Revenue Service. EPCRS Overview