
Stay Bonuses That Actually Keep People: How to Structure Retention Agreements Without Overpaying or Under-Withholding
A stay bonus agreement pays a key employee to remain through a fixed date, usually 10% to 30% of base salary as a lump sum or milestone installments. This guide covers when a retention bonus beats a raise, how to size it against replacement cost, the terms a written agreement needs (forfeiture carve-outs, clawback limits, who pays in a sale), and the payroll rules that apply, including the IRS flat 22% supplemental-wage withholding, FICA, and state supplemental rates.










