Safe Harbor 401(k) Guide for Employers

A Safe Harbor 401(k) allows employers to automatically pass nondiscrimination testing by making mandatory contributions to all eligible employees. This ensures highly compensated employees can maximize their contributions.

Safe Harbor Contribution Options

TypeEmployer ContributionVesting
Basic Match100% of first 3% + 50% of next 2%Immediate
Enhanced Match100% of first 4% (or equivalent)Immediate
Non-Elective3% of comp for all eligible employeesImmediate (or 2-year cliff)
QACA100% of first 1% + 50% of next 5%2-year cliff

Frequently Asked Questions

IRS tests (ADP/ACP) ensure 401(k) plans do not disproportionately benefit highly compensated employees. Safe Harbor plans are exempt from these tests because the mandatory contributions ensure all employees benefit.