Check each site’s licence on the UK Gambling Commission register, then read...
https://zandersultimatecolumns.timeforchangecounselling.com/what-s-the-difference-between-a-sportsbook-and-a-casino-only-site
Check each site’s licence on the UK Gambling Commission register, then read bonus terms: licensed operators face a 10x wagering cap. Treat headline offers sceptically, and check mobile usability, payment options and withdrawal times before signing up.