Arbusers

Do you have any opinion on JeffBet.com?
They are UKGC licensed (if that has any value) and regulated.
Odds look decent and a bonus of 30 pounds is there as well.
Do you know what is their software and their overall behaviour towards smart betting?
Thank you.

This is a very new bookmaker and there are no reports around. The only thing I know is they have some value in e-sports. They should be safe, but any UK based bookmaker/casino might follow the new norms, who are not that promising.