not sure if they got the best deposit promo but IMO the most trustworthy site is betjamaica and the greek.... you can not go wrong there IMO from posting almost 10 yrs on this site
they are solid as a rock for many years
bet Phoenix also seems to be a very good book some of the long time solid honest posters Like Viejo Dinosaur say they are good that is all I need to hear to play there and they have great promos if you want the promo route