What is a safe-harbor 401(k) match?
Every year a traditional 401(k) must show that highly compensated employees don't defer or receive matches at much higher rates than everyone else (the ADP and ACP tests). A safe-harbor plan skips those tests by promising every eligible employee a minimum contribution that vests right away.
The safe-harbor formulas
| Design | Formula | Max, % of pay | Vesting |
|---|---|---|---|
| Basic match | 100% of the first 3% deferred + 50% of the next 2% | 4% | Immediate |
| Enhanced match | At least as generous as the basic match at every deferral level; commonly 100% of the first 4% or 6% | 4% or more | Immediate |
| Non-elective | 3% of pay to every eligible employee, whether or not they defer | 3% | Immediate |
| QACA match | 100% of the first 1% + 50% of the next 5% (with automatic enrollment) | 3.5% | Up to 2-year cliff |
| QACA non-elective | 3% of pay to every eligible employee (with automatic enrollment) | 3% | Up to 2-year cliff |
What it means for you
- Defer at least enough to get the full match: 5% of pay for the basic formula, 6% for QACA.
- The money is yours right away (or within two years for QACA), so leaving soon after joining costs less.
- Employers can add more on top, such as a discretionary profit-sharing contribution.
Which employers use one?
When an auditor's report calls the match “safe harbor”, we label it on the employer's page. Compare formulas on the best 401(k) matches list or see the average 401(k) match.
Common questions
What is the safe-harbor 401(k) match formula?
The basic safe-harbor match is 100% of the first 3% of pay an employee defers plus 50% of the next 2%, a maximum of 4% of pay. An enhanced match must be at least as generous at every deferral level, commonly 100% of the first 4%. Instead of a match, an employer can make a 3% non-elective contribution to every eligible employee.
Is a safe-harbor match vested immediately?
Yes for traditional safe-harbor contributions: they must be 100% vested immediately. In a qualified automatic contribution arrangement (QACA), safe-harbor contributions can use up to a two-year cliff.
Why do employers use a safe-harbor plan?
It exempts the plan from the annual ADP and ACP nondiscrimination tests, and generally from top-heavy rules, so highly paid employees can defer the maximum without refunds.
General information from public sources, not financial, tax or legal advice.