Check each site's licence on the UK Gambling Commission register, then read...

https://www.geektown.co.uk/2026/10/29/new-betting-sites-uk-2026-why-british-players-are-comparing-new-gambling-platforms/

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 test mobile usability and withdrawal options, fees and times before signing up.