http://keybase5btp2qikoau6u326pvotn47gb55mo6fjxxyxdoywiinomr5id.onion/blog/introducing-keybase-teams
If you want to segregate chats, cryptographically, this is what subteams are for. Subteams, quick 'n' easy Actual companies, big and small, have another concern. Consider treehouse's devops team, or its board of directors. These groups have things to say and share that are absolutely private, just to them.