PRO League version is our highest tier of CS:GO subscriptions, it works on most anti-cheat including FaceIT Anti-Cheat and EAC. To buy this subscription, you need to fulfill certain requirements and conditions. (LINK)

What the PRO LEAGUE VERSION supports:
  • GamersClub Anti-Cheat
  • and more.......
Currently GC is only for private project and cost 400$ for one year.
 
There is a private project for GC, you can have more info opening a support ticket regard this matter. For the actual release of it, it will be done soon and it'll cost you $75 per month.