To add or delete an administrator from your Company's profile you have to be administrator of it, then simply follow the next steps:
2) Click on "Account Settings".
3) Click on "Your Company" tab.
To the right you will see the people working in your company.
4) Move the mouse over the profile of the person you want to add or remove as an administrator, the gear icon will be visible.
5) Click on the gear icon.
6) To assign someone as an administrator, click on "Set as a administrator"
7) To remove someone as an administrator or remove someone from the Company,
Click on "Remove from administrators" or "Remove from Company"