QuickBooks Online Plus: Best for retailers, wholesalers, contractors, and other small businesses that require inventory tracking, job costing, budgeting, and access for up to five users.QuickBooks Online Essentials: Best for small businesses that need to assign billable hours to customers, track bills due, and provide access for up to three users.QuickBooks Online Simple Start: Best for small service businesses that want to track assets, liabilities, income, and expenses, and only need access for one user.QuickBooks Online Self-Employed: Best for owners of small service businesses that report business income on Schedule C of their personal tax return and have no employees.