Go to the 'Settings' tab. Then select 'Settings' from the drop down menu.
Scroll down to the 'Company Name' field, and update to the desired name.
This is the name that members and customers see on all emails and anywhere PushPress presents your gym name.
Note: this is different from changing the URL (subdomain) for your company. This is a little more involved process. To do so, hit us in the chat box and to put a request in.