During the sign-up process for the Todo for Business account, you have automatically created your new team. The information that you've entered in this section of the sign-up form reflects the details for your team:
You can edit your team information via the settings page which can be accessed by clicking on the top right button of the page:
On the settings page, click on "Todo for Business" located on the left part of the screen:
On this page, you will see the Overview screen for the whole team. From this page, you can access many functionalities including inviting team members, adding shared lists, editing team and contact info, and adding a team admin.