Quick answer: A profit sharing plan is an employer-funded retirement plan where the company contributes a discretionary amount each year — up to 25% of eligible compensation per participant, with a $69,000 per-person cap in 2024. There's no requirement to contribute every year, making it ideal for businesses with variable income. Most small businesses pair a profit sharing plan with a 401(k) to maximize the total retirement contribution for the owner.
How Profit Sharing Contributions Are Allocated
A profit sharing plan does not require the business to actually have a profit to contribute — the name is somewhat misleading. The employer decides each year whether to contribute and how much. The most common allocation formula is pro-rata: everyone receives the same percentage of their compensation. A "new comparability" or age-weighted plan allocates more to older, higher-paid employees (typically the owner), which can result in the owner receiving a disproportionately large share while still satisfying IRS non-discrimination requirements. When paired with a 401(k), the combined limit is $69,000 per person in 2024.
The Power of the 401(k) + Profit Sharing Combo
An owner earning $200,000 in W-2 wages (S-corp) can potentially contribute $23,000 as a 401(k) employee deferral, plus $50,000 as an employer profit sharing contribution (25% of $200,000), for a combined $73,000 total — capped at $69,000 in 2024. This is nearly double what a SEP-IRA alone would allow. A new comparability plan design can allow the owner to receive 20–25% of compensation while non-owner employees receive 5–10% — legal if the plan passes IRS nondiscrimination testing. This is one of the most effective tax strategies for profitable small businesses with a few employees.
Vesting Schedules and Nondiscrimination Rules
Unlike employee 401(k) deferrals (which are always 100% vested immediately), employer profit sharing contributions can be subject to a vesting schedule — typically 3-year cliff or 6-year graded. This means employees who leave before vesting forfeit their unvested balance, which can be reallocated to remaining participants. All profit sharing plans must pass IRS nondiscrimination testing to ensure they don't disproportionately favor highly compensated employees. A Third Party Administrator (TPA) typically handles compliance testing and Form 5500 filings. Consult a CPA or retirement plan specialist to design a plan that maximizes your contribution while remaining compliant.
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