QuickBooks Payroll is an add-on for the QuickBooks Online accounting service. Simple Start, $25 per month for one user; Plus, $75 per month for five users; and Advanced, $150 per month for 25 users are the three plans offered by QuickBooks Online. The Payroll add-on is available at the same three price tiers for the same three plans, regardless of which of these plans you choose: Premium is $75 per month, plus $8 per employee per month, and Elite is $125 per month, plus $10 per employee per month.