If you need to be added to a new company, send the Owner or Admin these instructions on how to invite you.
The words "Account" or "Company" can be used interchangeably in 90. A new/separate account will have its own unique data and users, so absolutely no information is transferred between two accounts. Billing is also done separately.
Need to create a new company?
While you are logged into Ninety, visit https://app.ninety.io/create-company. This will take you to the page to create a new company, and when you do it will automatically be added to your list as shown below.