The Gambling Commission was established under the Gambling Act 2005 and is responsible for regulating gambling in Great Britain. It regulates gambling activity taking place in arcades, betting shops, bingo premises, casinos, slot machines and lotteries, but not spread betting (regulated by the Financial Conduct Authority). 

The Commission's stated aims are :

"to keep crime out of gambling, to ensure that gambling is conducted fairly and openly, and to protect children and vulnerable people".