Here you can advertise your team, but only one.
You can see the team of other people and maybe, why you can't join ?
I think it is the only place where you can advertise your Team.
When you post the link of your team here, you have to "like" this comment so I can see how much team there is.
I will make an example so you can know how to do it.
I hope you will like this game !
join my team and i join yours
Join my team.
Open for everyone.
lichess.org/team/chess-rising-stars Join Here. This team provides weekly FREE ENTRY tournaments with interesting prizes.