Rename Your Basecamp Account
Oops, got a typo in your account name? Or maybe you're rebranding? Either way, you can change your account name anytime.
Start by clicking
Adminland in the top right of the Home page beneath your avatar:
Once in Adminland, scroll down until you see the "Rename this account" option under Owner Actions:
Click the "Rename this account" button and then enter your new account name: