When your payroll processes are running smoothly, you don’t even notice it’s there. But when payroll mistakes happen, you can’t think about anything else. Payroll is one of the least valued yet most critical functions in any company. Payroll, when done correctly, will keep employees satisfied, happy and will keep your company out of legal trouble. Here are some payroll processing mistakes that many companies fall into due to NOT having an HR Software in place, such as ZenHR.