Using QuickBooks online. After reading all of the frustrating posts since early 2020. I am dumbfounded by the fact this issue has not been resolved. I have also ran into this issue. I have two online accounts because I have two separate businesses. What I have noticed is the first person who is setup in the employee list does have the correct federal income tax being withheld. However everyone else listed after that first person their withholdings are $0. I have created a case as has been suggested in this thread. But what happens when you get crickets......

This is a paid service that is not being properly provided. This needs to be escalated to the top ASAP.