How do I add another user/access to a second person to a Quickbooks company?

Thanks for coming to the Community, @van.walton. I'm here to walk you through inviting a user so you can add him/her to QuickBooks. 

Follow these steps:

1. Select Settings, then go to Manage Users.
2. Select Add User.
3. Select the user type you want to create. More options will appear on the screen depending on the user type you select.
4. Enter your new user's name and email address.
5. Select Save.

For more insights, check out this article: Add, Delete and Change User Access. 

For future reference, read through this article to learn more about the different user roles and their access permission in your QuickBooks company. 

I'm here as well if you have any questions, please let me know by replying below.