Yes. Employers can contribute to a 401(k) without any employee contribution, and the two common vehicles are non-elective contributions and profit-sharing allocations. Both deposit money into your account whether or not you defer a dollar of your own pay. For 2026, the total that can flow into a single employee’s 401(k) from all sources is $72,000, and an employer is allowed to fund that entire amount on its own.1Office of the Law Revision Counsel. 26 USC 415 – Limitations on Benefits and Contribution Under Qualified Plans
The Two Ways Employers Fund a 401(k) With No Deferral
A non-elective contribution is a set dollar amount or percentage of salary the employer deposits into each eligible employee’s account. It doesn’t depend on the employee putting anything in first. Employers typically choose somewhere between 2% and 10% of gross pay. Most non-elective contributions are discretionary, so management can adjust or skip them year to year.
A profit-sharing contribution works on the same principle but is tied to company profits rather than a fixed formula. The employer decides each year how much (if anything) to put in and divides that pool among eligible employees. A common allocation method is comp-to-comp: your share equals your compensation as a fraction of total payroll, multiplied by the contribution amount. No deferral required.
There’s also a specific version worth naming. A Safe Harbor 401(k) lets an employer skip annual nondiscrimination testing in exchange for committing to a minimum contribution. One of the simplest ways to satisfy that requirement is a non-elective contribution of at least 3% of each eligible employee’s compensation, paid regardless of whether the employee contributes anything.2Office of the Law Revision Counsel. 26 USC 401 – Qualified Pension, Profit-Sharing, and Stock Bonus Plans If your plan is Safe Harbor, that 3% shows up in your account whether you enrolled or not.
How Much Can Go In If You Contribute Zero
The IRS sets an overall ceiling on what can be added to a 401(k) account in a year, from all sources combined. For 2026, that total annual additions limit is $72,000 per employee, or 100% of your compensation, whichever is less.3Internal Revenue Service. Notice 2025-67 – 2026 Amounts Relating to Retirement Plans and IRAs Because you’re not deferring anything, the employer has the full $72,000 of headroom to itself.
In practice, few employers fund anywhere near that ceiling. The legal room exists; typical contributions are much smaller. If the employer does exceed the limit, the excess can trigger excise taxes or has to be refunded by the plan administrator.
When You Actually Own the Money
Money the employer puts in isn’t automatically yours to keep. Unless the plan is a traditional Safe Harbor, the employer can attach a vesting schedule that ties ownership to how long you stay. Federal law caps those schedules for 401(k)s at two options:4Office of the Law Revision Counsel. 26 USC 411 – Minimum Vesting Standards
- Three-year cliff: you own 0% until you hit three years of service, then 100%.
- Six-year graded: 20% after two years, 40% after three, 60% after four, 80% after five, 100% after six.
Employers can vest you faster than these schedules; they can’t go slower. Leave before you’re fully vested and you forfeit the unvested portion.5Internal Revenue Service. Vesting Errors in Defined Contribution Plans
Traditional Safe Harbor non-elective contributions are the exception. They must be 100% vested immediately, so the money is yours from day one, even if you quit the following week.6Fidelity. Guide to Safe Harbor Plan Provisions
When You Become Eligible
Not every employee qualifies on day one. Under ERISA, a plan can require you to be at least 21 years old and to complete a year of service, generally 1,000 hours of work over a 12-month period, before you can participate.7U.S. Department of Labor. FAQs about Retirement Plans and ERISA Employers can set shorter waiting periods; they can’t set longer ones.
Once you meet the plan’s eligibility thresholds, the employer has to include you. If the company has committed to a non-elective contribution, especially under Safe Harbor, that obligation kicks in automatically. No enrollment form or deferral election is needed from you.
One boundary worth flagging for part-time workers: SECURE 2.0 expanded plan access starting in 2025 for employees who log at least 500 hours in each of two consecutive 12-month periods, but that expansion only requires the plan to let them make their own deferrals. Employers aren’t required to make non-elective or profit-sharing contributions for those long-term part-time employees, though a plan document may choose to include them.
Why the Money Might Not Show Up Until Next Year
Employers don’t have to deposit non-elective and profit-sharing contributions on payday. The tax code gives them until the due date of the company’s federal tax return, including extensions, to make the contribution and still deduct it for the prior tax year.8Internal Revenue Service. Deductibility of Employer Contributions to a 401(k) Plan Made After the End of the Tax Year For a calendar-year corporation, that’s typically around mid-September with an extension, or mid-April without one.
This is a practical reason some employers prefer non-elective or profit-sharing contributions over matching. They can wait for final-year financials, decide on an amount, and fund it months after the plan year closes. If you check your account in January and don’t see anything, the deposit may simply not have been made yet.
Taxes If You Ever Withdraw the Money
Employer contributions to a traditional 401(k) aren’t included in your taxable income the year they’re deposited. The money grows tax-deferred, and you’ll owe ordinary income tax on distributions in retirement.
Pulling employer-contributed funds out before age 59½ generally triggers a 10% early withdrawal penalty on top of regular income tax.9Internal Revenue Service. Retirement Topics – Exceptions to Tax on Early Distributions Exceptions exist for disability, certain medical expenses, and separation from service after age 55, among others. The fact that you didn’t personally put the money in doesn’t create any special early-access route: once it’s in the account, it follows the same withdrawal rules as your own deferrals.