Top UK online casinos list updated in July Expert reviews of the best casino sites for UK players. Get the UK's biggest exclusive online casino bonuses!. According to GF's unofficial calculations. In August there were 24 casinos in London, 95 in the rest of England, 15 in Scotland and 5 in Wales. England has casinos in which you'll find more than 4, slots and gaming machines. There are a total of table games. The minimum bet we've found.