An overview of your billing information appears on your Dashboard. An example is provided below: 

You can find the Billing section in the bottom-right-hand corner, for example:

You can use this section to see basic billing information, such as how many Sitepass connections you have, your support plan, any discounts you have, and your amount payable (excluding tax). You can also access your Billing Details page by selecting the Manage Plan link, which is at the top of the Billing section.