If you have a growing business, chances are you’re adding employees. Hiring other people to work for you can be a sign of success and the key to continued growth. It can also be — let’s face it — a bit of a headache.

You want to be sure people are paid on time and the proper amount. That’s obvious. And you want to make sure you stay out of trouble with the many state and federal laws that come into play. Are you following laws about overtime? Withholding the correct...