Check the site's UK Gambling Commission register entry. Read bonus terms:...
https://atomic-wiki.win/index.php/What_should_I_check_before_I_deposit_on_a_new_betting_site%3F
Check the site's UK Gambling Commission register entry. Read bonus terms: licensed sites have a 10x wagering cap; check expiry and eligibility. Be wary of big offers. Try the mobile site, compare payment options and check cash-out speed