To add seats, go to Settings > Billing in the Copper web app. There, you will see options to increase the number of seats.
To remove seats from billing, please submit a ticket and our finance team will process it for you.
If you don't see the option you're looking for, feel free to use the in-app chat icon to get in touch with our team or submit a ticket.
Note that all subscription changes must follow our Terms of Service.