Yes, if you have certain rights in Teamleader you can! You need to be:

If you need to track time for another Teamleader user, you can follow these steps:

1. Go to Timesheets and switch to another user in the right hand corner.

2. Click on the plus sign next to 'Timesheets' on top which brings you to the following screen:

3. You will see a warning that you are adding time for another user, but you can simply add all the information you normally fill in when adding time. Click save afterwards and the timetracking has been added.

Note: This is the only way to track time for another user. You cannot track time on tasks, calls or meetings for another user as the tracked time of a meeting, a call or task will always be added to the timesheets of the user that is logged in.