Comprehensive Retirement Solutions for Employers

Feature | 401(k) | 403(b) | Simple IRA | SEP IRA |
Who Can Offer It | Private & Public Companies | 501(c)(3) nonprofits, schools, religious orgs | Employers with ?100 employees | Any business with employees |
Employee Deferral Limit (2025) | $23,000 ($30,500 age 50+) | $23,000 ($30,500 age 50+) | $16,000 ($19,500 age 50+) | Not allowed |
Employer Contributions | Optional, Profit Sharing & Matching | Optional | Required Match or Nonelective | Required Contribution |
Total Contribution Limit | $69,000 ($76,500 age 50+) | $69,000 ($76,500 age 50+) | $33,000 ($36,500 age 50+) | 25% of comp up to $69,000 |
Vesting Schedule Allowed | Yes | Yes | No (Immediate Vesting) | No (Immediate Vesting) |
Top-Heavy Testing | Yes (unless Safe Harbor) | Yes | No | No |
Form 5500 Filing Required? | Yes | Yes | No | No |
ERISA Coverage | Yes | Sometimes (depends) | No | No |
Best for | Most private employers | Nonprofits and public education | Small businesses with fewer employees | Solo business owners or freelancers with no full-time staff |