Denial esports has been in existence since a long time in North America. They have harbored many of the current pros from the North American region. However it seems recently they are in some trouble. According to this tweet, they have not paid their players since almost a year now.
https://twitter.com/osorandom4u/status/903495788818350080
This definitely is cause for concern as it is not uncommon in esports for organisations to continuously dupe their players. It always ends badly for players who then have almost no means to actually attain the money that is owed to them.