There is no limit to the employees number that can be added to QuickBooks. You can add employees as more as you need, but you need to pay for this. QuickBooks is designed to handle small businesses. You may start experiencing performance issues if you have added 800 or more employees.
The payroll subscriptions are not currently offering limit on the number of employees that you can add in QuickBooks. However, some subscriptions are charging additional fees.
Basic – $2.00/ employee per month
Standard – no charge for adding employees
Enhanced – $2.00/ employee per month
Enhanced for Accountants – no charge for adding employees
Assisted – $2.00/ employee per payroll
If you need more help and detail, contact on QuickBooks Payroll support number 1-855-441-4417. Our well qualified and experienced customers will be very happy to hear you.